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<!DOCTYPE html> <head> body { button { <body> <p>\u8fd9\u662f\u4e00\u6bb5\u793a\u4f8b\u6587\u672c，\u989c\u8272\u548c\u80cc\u666f\u4f1a\u968f\u4e3b\u9898\u53d8\u5316\u3002<\/p><\/p>\n <script> function switchToLightTheme() { <\/html> <\/p>\n <head> body { h1 { p { <body> :not()\u00a0\u662f CSS \u4e2d\u7684\u4e00\u4e2a\u5426\u5b9a\u4f2a\u7c7b\u9009\u62e9\u5668，\u901a\u8fc7\u4f7f\u7528\u00a0:not()，\u4f60\u53ef\u4ee5\u6392\u9664\u67d0\u4e9b\u5143\u7d20\u3002<\/p>\n \u793a\u4f8b：<\/p>\n li:not(.special) { :empty\u9009\u62e9\u5668\u7528\u6765\u9009\u62e9\u6ca1\u6709\u5b50\u5143\u7d20\u6216\u6587\u672c\u5185\u5bb9\u4e3a\u7a7a\u7684\u6240 \u6709\u5143\u7d20\u3002<\/p>\n \u8be5\u5143\u7d20\u5185\u90e8\u6ca1\u6709\u4efb\u4f55\u5185\u5bb9（\u5305\u62ec\u6587\u672c\u3001\u6807\u7b7e\u3001\u6ce8\u91ca\u7b49），\u4f46\u4e0d\u5305\u62ec\u4ec5\u5305\u542b\u7a7a\u767d\u5b57\u7b26（\u5982\u7a7a\u683c\u3001\u6362\u884c\u7b26）\u7684\u5143\u7d20\u3002<\/span><\/p>\n \/* 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\u89e3\u91ca：\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u9009\u4e2d\u6240\u6709\u00a0href\u00a0\u5c5e\u6027\u503c\u4ee5\u00a0"https:\/\/"\u00a0\u5f00\u5934\u7684\u00a0<a>\u00a0\u5143\u7d20，\u5e76\u5c06\u5176\u6587\u672c\u989c\u8272\u8bbe\u7f6e\u4e3a\u7eff\u8272，\u5e38\u7528\u4e8e\u7a81\u51fa\u663e\u793a\u5b89\u5168\u94fe\u63a5\u3002<\/p>\n img[src$=".jpg"] { input[placeholder*="name"] { \u00a0\u89e3\u91ca：\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u9009\u4e2d\u6240\u6709\u00a0placeholder\u00a0\u5c5e\u6027\u503c\u5305\u542b\u00a0"name"\u00a0\u5b50\u5b57\u7b26\u4e32\u7684\u00a0<input>\u00a0\u5143\u7d20，\u5e76\u5c06\u5176\u80cc\u666f\u989c\u8272\u8bbe\u7f6e\u4e3a\u6d45\u9ec4\u8272，\u65b9\u4fbf\u5bf9\u7279\u5b9a\u63d0\u793a\u4fe1\u606f\u7684\u8f93\u5165\u6846\u8fdb\u884c\u6837\u5f0f\u5904\u7406<\/p>\n div[class~="highlight"] { p[lang|="en"] { 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dashed：\u865a\u7ebf\u8fb9\u6846<\/p>\n dotted：\u70b9\u7ebf\u8fb9\u6846<\/p>\n double：\u53cc\u5b9e\u7ebf\u8fb9\u6846<\/p>\n \u5728\u8bbe\u7f6e\u8fb9\u6846\u5bbd\u5ea6\u65f6，\u5fc5\u987b\u540c\u65f6\u8bbe\u7f6e\u8fb9\u6846\u6837\u5f0f，\u5982\u679c\u672a\u8bbe\u7f6e\u6837 \u5f0f\u6216\u8bbe\u7f6e\u4e3anone，\u5219\u4e0d\u8bba\u5bbd\u5ea6\u8bbe\u7f6e\u4e3a\u591a\u5c11\u90fd\u65e0\u6548\u3002<\/p>\n \u540c\u6837\u6709\u7efc\u5408\u5c5e\u6027，\u53ef\u4ee5\u5206\u522b\u8bbe\u7f6e\u4e0a\u53f3\u4e0b\u5de6\u8fb9\u6846\u7684\u5bbd\u5ea6\u3002<\/p>\n \u8bbe\u7f6e\u8fb9\u6846\u989c\u8272，\u4e5f\u53ef\u4ee5\u5206\u522b\u8bbe\u7f6e\u4e0a\u53f3\u4e0b\u5de6\u7684\u8fb9\u6846\u989c\u8272\u3002<\/p>\n border-radius\u5c5e\u6027\u53ef\u4ee5\u5c06\u77e9\u5f62\u8fb9\u6846\u56db\u89d2\u5706\u89d2\u5316，\u5b9e\u73b0\u5706\u89d2\u6548\u679c<\/p>\n div { \u4e00\u4e2a\u503c\u65f6\u00a0，\u56db\u4e2a\u89d2\u90fd\u4f1a\u5e94\u7528\u76f8\u540c\u7684\u5706\u89d2\u534a\u5f84；<\/p>\n 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\u4e5f\u53ef\u4ee5\u7528\u591a\u4e2a\u503c\u7ed3\u5408\u659c\u6760\u6765\u4e3a\u6bcf\u4e2a\u89d2\u5206\u522b\u6307\u5b9a\u4e0d\u540c\u7684\u6c34\u5e73\u548c\u5782\u76f4\u534a\u5f84\u3002<\/p>\n div { \u5b83\u7efc\u5408\u4e86\u00a0border-image-source\u3001border-image-slice\u3001border-image-width\u3001border-image-outset\u00a0\u548c\u00a0border-image-repeat\u00a0\u8fd9\u4e9b\u5c5e\u6027<\/p>\n \u53d6\u503c\u683c\u5f0f\u4e3a：<\/p>\n border-image: source slice width outset repeat;<\/p>\n \u793a\u4f8b<\/p>\n <!DOCTYPE html> <head> <body> <\/html> <\/p>\n \u5185\u5bb9\u533a\u57df\u4e0e\u8fb9\u6846\u4e4b\u95f4\u7684\u8ddd\u79bb，\u5728\u5185\u5bb9\u5468\u56f4\u521b\u5efa\u4e00\u4e9b\u7a7a\u767d\u7a7a\u95f4\u3002<\/p>\n \u5185\u8fb9\u8ddd\u53ef\u4ee5\u901a\u8fc7\u00a0padding-top\u3001padding-right\u3001padding-bottom\u00a0\u548c\u00a0padding-left\u00a0\u5c5e\u6027\u5206\u522b\u8bbe\u7f6e，\u4e5f\u53ef\u4ee5\u4f7f\u7528\u00a0padding\u00a0\u7b80\u5199\u5c5e\u6027\u4e00\u6b21\u6027\u8bbe\u7f6e<\/p>\n \u5f53\u4f5c\u7528\u4e8e\u884c\u7ea7\u5143\u7d20\u65f6，\u4ec5\u4ec5\u4f1a\u663e\u793a，\u5bf9\u5176\u4ed6\u5143\u7d20\u65e0\u5f71\u54cd<\/span><\/p>\n \u5143\u7d20\u5b9e\u9645\u5305\u542b\u7684\u5185\u5bb9，\u5982\u6587\u672c\u3001\u56fe\u7247\u7b49\u3002<\/p>\n \u5185\u5bb9\u533a\u57df\u7684\u5927\u5c0f\u7531\u00a0width\u00a0\u548c\u00a0height\u00a0\u5c5e\u6027\u6765\u63a7\u5236（\u9ed8\u8ba4\u60c5\u51b5\u4e0b）<\/p>\n \u5728CSS\u4e2d\u7528url\u6765\u8bbe\u7f6e\u5730\u5740<\/p>\n background-image：url（\u5730\u5740）；<\/p>\n \u53ef\u4ee5\u7528\u9017\u53f7\u5206\u9694\u591a\u4e2a\u00a0url()\u00a0\u503c，\u8bbe\u7f6e\u591a\u5f20\u80cc\u666f\u56fe\u7247，\u524d\u9762\u7684\u56fe\u7247\u4f1a\u8986\u76d6\u5728\u540e\u9762\u7684\u56fe\u7247\u4e4b\u4e0a\u3002<\/p>\n .multiple-images { \u7528\u4e8e\u8bbe\u7f6e\u56fe\u7247\u7684\u5e73\u94fa\u5c5e\u6027<\/p>\n \u542b\u4e49 \u6cbf\u6c34\u5e73\u548c\u7ad6\u76f4\u4e24\u4e2a\u65b9\u5411\u5e73\u94fa（\u9ed8\u8ba4\u503c）<\/p>\n \u4e0d\u5e73\u94fa（\u56fe\u50cf\u4f4d\u4e8e\u5143\u7d20\u7684\u5de6\u4e0a\u89d2，\u53ea\u663e\u793a\u4e00\u6b21）<\/p>\n \u53ea\u6cbf\u6c34\u5e73\u65b9\u5411\u5e73\u94fa<\/p>\n \u53ea\u6cbf\u7ad6\u76f4\u65b9\u5411\u5e73\u94fa<\/p>\n \u8bbe\u7f6e\u80cc\u666f\u56fe\u7247\u7684\u5c3a\u5bf8,\u53ef\u4ee5\u662f\u957f\u5ea6\u503c，\u767e\u5206\u6bd4，\u4e5f\u53ef\u4ee5\u662f\u4e0b\u9762\u5173\u952e\u5b57，<\/p>\n cover（\u7f29\u653e\u56fe\u7247\u4f7f\u5b83\u5b8c\u5168\u8986\u76d6\u80cc\u666f\u533a\u57df，\u53ef\u80fd\u90e8\u5206\u56fe\u7247\u4f1a\u8d85\u51fa\u5143\u7d20\u8303\u56f4）<\/p>\n contain（\u7f29\u653e\u56fe\u7247\u4f7f\u5b83\u5b8c\u5168\u5305\u542b\u5728\u80cc\u666f\u533a\u57df\u5185）\u3002<\/p>\n \u56fe\u50cf\u4f4d\u7f6e\u5c5e\u6027<\/p>\n \u6307\u5b9a\u80cc\u666f\u56fe\u7247\u7684\u8d77\u59cb\u4f4d\u7f6e，\u53d6\u503c\u53ef\u4ee5\u662f\u957f\u5ea6\u503c\u3001\u767e\u5206\u6bd4\u6216\u5173\u952e\u5b57<\/p>\n （\u00a0top\u3001bottom\u3001left\u3001right\u3001center）<\/p>\n \u56fe\u50cf\u56fa\u5b9a\u5c5e\u6027<\/p>\n \u56fe\u50cf\u968f\u9875\u9762\u5143\u7d20\u4e00\u8d77\u6eda\u52a8<\/p>\n \u56fe\u50cf\u56fa\u5b9a\u5728\u5c4f\u5e55\u4e0a，\u4e0d\u968f\u9875\u9762\u5143\u7d20\u7684\u6eda\u52a8\u800c\u6eda\u52a8<\/p>\n \u56fe\u50cf\u968f\u5143\u7d20\u5185\u5bb9\u6eda\u52a8<\/p>\n background-origin\u00a0\u53ef\u4ee5\u63a7\u5236\u80cc\u666f\u56fe\u7247\u4ece\u5143\u7d20\u7684\u54ea\u4e2a\u533a\u57df\u5f00\u59cb\u7ed8\u5236\u3002\u5b83\u901a\u5e38\u4e0e\u00a0background-position\u00a0\u7b49\u5c5e\u6027\u914d\u5408\u4f7f\u7528\u3002<\/p>\n \u6709\u5982\u4e0b\u4e09\u4e2a\u5c5e\u6027\u503c：<\/p>\n \u9ed8\u8ba4\u503c\u3002\u80cc\u666f\u56fe\u7247\u7684\u539f\u70b9\u4f4d\u4e8e\u5143\u7d20\u5185\u8fb9\u8ddd（padding）\u533a\u57df\u7684\u5de6\u4e0a\u89d2\u3002<\/p>\n \u80cc\u666f\u56fe\u7247\u7684\u539f\u70b9\u4f4d\u4e8e\u5143\u7d20\u8fb9\u6846（border）\u533a\u57df\u7684\u5de6\u4e0a\u89d2\u3002<\/p>\n \u80cc\u666f\u56fe\u7247\u7684\u539f\u70b9\u4f4d\u4e8e\u5143\u7d20\u5185\u5bb9（content）\u533a\u57df\u7684\u5de6\u4e0a\u89d2\u3002<\/p>\n \u7efc\u5408\u8bbe\u7f6e\u5c5e\u6027<\/p>\n .element { \u4e0a\u8ff0\u4ee3\u7801\u4e00\u6b21\u6027\u8bbe\u7f6e\u4e86\u80cc\u666f\u56fe\u7247\u3001\u91cd\u590d\u65b9\u5f0f\u3001\u4f4d\u7f6e\u3001\u5c3a\u5bf8\u548c\u9644\u7740\u65b9\u5f0f\u3002<\/p>\n \u5bf9\u56fe\u7247\u548c\u80cc\u666f\u8bbe\u7f6e\u900f\u660e\u5ea6<\/p>\n \u5b83\u662f\u4e00\u4e2a\u4ecb\u4e8e0~1\u4e4b\u95f4\u7684\u6d6e\u70b9\u6570\u503c\u3002\u5176\u4e2d，0\u8868\u793a\u5b8c\u5168\u900f \u660e，1\u8868\u793a\u5b8c\u5168\u4e0d\u900f\u660e，\u800c0.5\u5219\u8868\u793a\u534a\u900f\u660e\u3002<\/p>\n \u5bf9\u76d2\u5b50\u6dfb\u52a0\u9634\u5f71\u6548\u679c\u3002\u53ef\u4ee5\u6539\u53d8\u9634\u5f71\u7684\u6295\u5c04\u65b9\u5411\u4ee5\u53ca\u6dfb\u52a0\u591a\u91cd\u9634\u5f71\u6548\u679c<\/p>\n box-shadow: h-shadow v-shadow blur spread color inset; <\/p>\n \u793a\u4f8b：<\/p>\n .inset-shadow { \u5982\u679c\u60f3\u8bbe\u7f6e\u591a\u91cd\u9634\u5f71<\/p>\n .multiple-shadows { \u6dfb\u52a0\u4e86\u4e24\u4e2a\u9634\u5f71，\u4e00\u4e2a\u662f\u53f3\u4e0b\u89d2\u7684\u9ed1\u8272\u9634\u5f71，\u53e6\u4e00\u4e2a\u662f\u5de6\u4e0a\u89d2\u7684\u767d\u8272\u9634\u5f71\u3002<\/p>\n \u5728\u7ebf\u6027\u6e10\u53d8\u8fc7\u7a0b\u4e2d，\u8d77\u59cb\u989c\u8272\u4f1a\u6cbf\u7740\u4e00\u6761\u76f4\u7ebf\u6309\u987a\u5e8f\u8fc7\u6e21\u5230\u7ed3\u675f\u989c\u8272<\/p>\n background: linear-gradient(direction, color-stop1, color-stop2, …);<\/p>\n \u793a\u4f8b\u4e00\u00a0<\/p>\n .angled-gradient { \u6b64\u4ee3\u7801\u521b\u5efa\u4e86\u4e00\u4e2a 45 \u5ea6\u89d2\u7684\u6e10\u53d8，\u989c\u8272\u4ece\u7ea2\u8272\u8fc7\u6e21\u5230\u84dd\u8272\u3002<\/p>\n \u793a\u4f8b\u4e8c<\/p>\n .positioned-gradient { \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d，\u7ea2\u8272\u4ece\u6e10\u53d8\u7684\u8d77\u59cb\u4f4d\u7f6e\u5f00\u59cb，\u5230 20% \u7684\u4f4d\u7f6e\u7ed3\u675f；\u9ec4\u8272\u4ece 20% \u7684\u4f4d\u7f6e\u5f00\u59cb，\u5230 50% \u7684\u4f4d\u7f6e\u7ed3\u675f；\u7eff\u8272\u4ece 50% \u7684\u4f4d\u7f6e\u5f00\u59cb，\u5230 80% \u7684\u4f4d\u7f6e\u7ed3\u675f\u3002<\/p>\n \u8981\u4ed4\u7ec6\u89c2\u5bdf<\/p>\n .repeating-gradient { \u4e0a\u8ff0\u4ee3\u7801\u521b\u5efa\u4e86\u4e00\u4e2a 45 \u5ea6\u89d2\u7684\u91cd\u590d\u7ebf\u6027\u6e10\u53d8，\u7ea2\u8272\u548c\u84dd\u8272\u4ea4\u66ff\u51fa\u73b0，\u6bcf\u4e2a\u989c\u8272\u533a\u57df\u7684\u5bbd\u5ea6\u4e3a 10 \u50cf\u7d20\u3002<\/p>\n background: radial-gradient(shape size at position, start-color, …, last-color);<\/p>\n \u793a\u4f8b\u4e00（\u7b80\u5355\u5f84\u5411\u6e10\u53d8）<\/p>\n .simple-radial { \u793a\u4f8b\u4e8c（\u6307\u5b9a\u5f62\u72b6）<\/p>\n .circle-radial { \u793a\u4f8b\u4e09（\u6307\u5b9a\u4e2d\u5fc3\u70b9\u4f4d\u7f6e）<\/p>\n .positioned-radial { \u793a\u4f8b\u56db（\u6307\u5b9a\u6e10\u53d8\u5927\u5c0f）<\/p>\n .size-radial { \u793a\u4f8b\u4e94（\u591a\u989c\u8272）<\/p>\n .multi-color-radial { .repeating-radial { \u7ea2\u8272\u548c\u84dd\u8272\u4ea4\u66ff\u51fa\u73b0，\u6bcf\u4e2a\u989c\u8272\u533a\u57df\u7684\u5bbd\u5ea6\u4e3a 10 \u50cf\u7d20\u3002<\/p>\n box-size：<\/span><\/p>\n \u8bbe\u7f6e\u76d2\u5b50\u7684\u79cd\u7c7b<\/p>\n \u6709content<\/span>-box（\u9ed8\u8ba4）；border<\/span>-box\u4e24\u79cd，\u533a\u522b\u662f\u5728\u5b9a\u4e49width\u548cheight\u65f6\u7684\u4e0d\u540c<\/p>\n \u524d\u8005\u7684width\u548cheight\u90fd\u4e0d\u5305\u62ecpadding，border\u7b49，\u53ea\u662fcontent\u7684\u5927\u5c0f\u3002\u6709\u65f6\u5019\u4f1a\u53d1\u73b0\u76d2\u5b50\u201c\u81a8\u80c0<\/span>\u201d\u4e86<\/p>\n \u540e\u8005\u7684\u5305\u542bpadding，border，\u5e76\u4e14\u6ce8\u610f\u4e24\u8005\u5747\u4e0d\u542bmargin\u3002<\/p>\n \u5f53\u5bf9\u5757\u7ea7\u5143\u7d20\u5e94\u7528\u5bbd\u5ea6\u5c5e\u6027width，\u5e76\u5c06\u5de6\u53f3\u7684\u5916\u8fb9\u8ddd（margin）\u90fd\u8bbe\u7f6e\u4e3aauto，\u53ef\u4f7f\u5757\u7ea7\u5143\u7d20\u6c34\u5e73\u5c45\u4e2d，\u5b9e\u9645\u5de5\u4f5c\u4e2d\u5e38\u7528\u8fd9\u79cd\u65b9\u5f0f\u8fdb\u884c\u7f51\u9875\u5e03\u5c40\u3002<\/p>\n \u884c\u5185\u5143\u7d20<\/p>\n \u5143\u7d20\u7684\u00a0display\u00a0\u5c5e\u6027\u8bbe\u7f6e\u4e3a\u00a0block，\u5c31\u53ef\u4ee5\u5c06\u5176\u8f6c\u6362\u4e3a\u5757\u7ea7\u5143\u7d20\u3002<\/p>\n \u4f8b\u5982：<span>\u00a0\u539f\u672c\u662f\u884c\u5185\u5143\u7d20，\u901a\u8fc7\u8bbe\u7f6e\u00a0display: block\u00a0\u8f6c\u6362\u4e3a\u5757\u7ea7\u5143\u7d20，\u80fd\u591f\u8bbe\u7f6e\u5bbd\u5ea6\u3001\u9ad8\u5ea6\u548c\u5916\u8fb9\u8ddd\u3002<\/p>\n \u5143\u7d20\u7684\u00a0display\u00a0\u5c5e\u6027\u8bbe\u7f6e\u4e3a\u00a0inline，\u53ef\u4ee5\u5c06\u5176\u8f6c\u6362\u4e3a\u884c\u5185\u5143\u7d20\u3002<\/p>\n \u4f8b\u5982：<div>\u00a0\u539f\u672c\u662f\u5757\u7ea7\u5143\u7d20，\u8bbe\u7f6e\u00a0display: inline\u00a0\u540e\u8f6c\u6362\u4e3a\u884c\u5185\u5143\u7d20，\u4f1a\u548c\u5176\u4ed6\u884c\u5185\u5143\u7d20\u5728\u540c\u4e00\u884c\u663e\u793a\u3002<\/p>\n \u5143\u7d20\u7684\u00a0display\u00a0\u5c5e\u6027\u8bbe\u7f6e\u4e3a\u00a0inline-block，\u53ef\u4ee5\u5c06\u5176\u8f6c\u6362\u4e3a\u884c\u5185\u5757\u7ea7\u5143\u7d20\u3002<\/p>\n \u4f8b\u5982：<div>\u00a0\u539f\u672c\u662f\u5757\u7ea7\u5143\u7d20，\u8bbe\u7f6e\u00a0display: inline-block\u00a0\u540e，\u4e24\u4e2a\u00a0<div>\u00a0\u5143\u7d20\u4f1a\u5728\u540c\u4e00\u884c\u663e\u793a，\u5e76\u4e14\u53ef\u4ee5\u8bbe\u7f6e\u5bbd\u5ea6\u3001\u9ad8\u5ea6\u548c\u5916\u8fb9\u8ddd\u3002<\/p>\n display: none\u00a0\u4f1a\u8ba9\u5143\u7d20\u5728\u9875\u9762\u4e2d\u5b8c\u5168\u4e0d\u663e\u793a，\u5e76\u4e14\u8be5\u5143\u7d20\u4e0d\u4f1a\u5728\u6587\u6863\u6d41\u4e2d\u5360\u636e\u4efb\u4f55\u7a7a\u95f4\u3002\u4e5f\u5c31\u662f\u8bf4，\u6d4f\u89c8\u5668\u5728\u6e32\u67d3\u9875\u9762\u65f6\u4f1a\u76f4\u63a5\u5ffd\u7565\u8bbe\u7f6e\u4e86\u00a0display: none\u00a0\u7684\u5143\u7d20，\u5c31\u597d\u50cf\u8fd9\u4e2a\u5143\u7d20\u5728 HTML \u4ee3\u7801\u91cc\u4e0d\u5b58\u5728\u4e00\u6837\u3002<\/p>\n \u7528\u4e8e\u52a8\u6001\u663e\u793a\u4e0e\u9690\u85cf\u5185\u5bb9，\u54cd\u5e94\u5f0f\u8bbe\u8ba1\u3002<\/span><\/p>\n \u63a7\u5236\u65e0\u5e8f\u548c\u6709 \u5e8f\u5217\u8868\u7684\u9879\u76ee\u7b26\u53f7<\/p>\n \u4e00\u822c\u7528\u4e8e\u5f53list-style-image\u65e0\u6cd5\u6b63\u5e38\u663e\u793a\u65f6\u7684\u66ff\u4ee3\u3002<\/span><\/p>\n \u4e3a\u5404\u4e2a\u5217\u8868\u9879\u8bbe\u7f6e\u9879\u76ee\u56fe\u50cf<\/p>\n list-style-image: url(image-url);<\/p>\n \u63a7\u5236\u5217\u8868\u9879\u76ee\u7b26\u53f7\u7684\u4f4d\u7f6e<\/p>\n \u6307\u5b9a\u5217\u8868\u6807\u8bb0\u7684\u4f4d\u7f6e，\u53ef\u9009\u503c\u6709\u00a0inside（\u5217\u8868\u6807\u8bb0\u5728\u5217\u8868\u9879\u5185\u5bb9\u5185\u90e8）\u548c\u00a0outside（\u5217\u8868\u6807\u8bb0\u5728\u5217\u8868\u9879\u5185\u5bb9\u5916\u90e8，\u9ed8\u8ba4\u503c）\u3002<\/p>\n list-style（\u7b80\u5199\u5c5e\u6027）<\/p>\n ul { \u4e0a\u8ff0\u4ee3\u7801\u4e2d，list-style\u00a0\u4f9d\u6b21\u8bbe\u7f6e\u4e86\u00a0list-style-image\u3001list-style-type\u00a0\u548c\u00a0list-style-position\u3002<\/p>\n \u6700\u7b80\u5355\u7684\u9875\u9762\u5e03\u5c40，\u00a0\u7531\u5934\u90e8（header）\u3001\u5bfc\u822a（nav）\u3001\u7126\u70b9\u56fe（banner）\u3001\u5185\u5bb9（content）\u3001\u9875\u9762\u5e95\u90e8（footer）\u4e94\u90e8\u5206\u7ec4\u6210\u3002<\/p>\n 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z-index\u53ef\u4ee5\u8c03\u6574\u91cd\u53e0\u5b9a\u4f4d\u5143\u7d20\u7684\u5806\u53e0\u987a\u5e8f，\u5176\u53d6\u503c\u53ef\u4e3a\u6b63\u6574\u6570\u3001\u8d1f\u6574\u6570\u548c0\u3002z-index\u7684\u9ed8\u8ba4\u503c\u662f0.<\/p>\n \u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb840\u6b21\uff0c\u70b9\u8d5e12\u6b21\uff0c\u6536\u85cf19\u6b21\u3002CSS\uff08Cascading Style Sheets\uff09\uff0c\u4e2d\u6587\u540d\u4e3a\u7ea7\u8054\u6837\u5f0f\u8868\uff0c\u4e5f\u6709\u79f0\u4e3a\u5c42\u53e0\u6837\u5f0f\u8868\uff0c\u5c42\u53e0\u5c31\u662f\u6837\u5f0f\u53ef\u4ee5\u5c42\u5c42\u53e0\u52a0\uff0c\u53ef\u4ee5\u5bf9\u4e00\u4e2a\u5143\u7d20\u591a\u6b21\u8bbe\u7f6e\u6837\u5f0f\uff0c\u540e\u9762\u5b9a\u4e49\u7684\u6837\u5f0f\u4f1a\u5bf9\u524d\u9762\u5b9a\u4e49\u7684\u6837\u5f0f\u8fdb\u884c\u91cd\u5199\u3002CSS\u662f\u4e00\u79cd\u7528\u6765\u8868\u73b0HTML\uff08\u6807\u51c6\u901a\u7528\u6807\u8bb0\u8bed\u8a00\u7684\u4e00\u4e2a\u5e94\u7528\uff09\u6216XML\uff08\u6807\u51c6\u901a\u7528\u6807\u8bb0\u8bed\u8a00\u7684\u4e00\u4e2a\u5b50\u96c6\uff09\u7b49\u6587\u4ef6\u6837\u5f0f\u7684\u8ba1\u7b97\u673a\u8bed\u8a00\u3002<\/p>\n","protected":false},"author":2,"featured_media":35723,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[573,187,87,371,305],"topic":[],"class_list":["post-35732","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-css","tag-javascript","tag-87","tag-371","tag-305"],"yoast_head":"\n
\n <link href="CSS\u6587\u4ef6\u7684\u8def\u5f84" type="text\/css" rel="stylesheet" \/>
\n<\/head> <\/p>\n\u5bfc\u5165\u5f0f<\/h6>\n
\n @import url("common.css");
\n<\/style> <\/p>\n\u5bfc\u5165\u5f0f\u548c\u94fe\u5165\u5f0f\u7684\u533a\u522b<\/h5>\n
\n\u9009\u62e9\u5668<\/h2>\n
\n\u57fa\u672c\u9009\u62e9\u5668<\/h3>\n
\u6807\u7b7e\u9009\u62e9\u5668<\/h6>\n
\n h2{
\n text-align:center;
\n }
\n<\/style> <\/p>\n\u7c7b\u9009\u62e9\u5668<\/h6>\n
\n .black{
\n background-color: black;
\n }
\n<\/style>
\n<body>
\n <div class="black"><\/div>
\n<\/body> <\/p>\n
\n .black{
\n background-color: black;
\n }
\n .big{
\n width:1000px;
\n height:1000px;
\n }
\n<\/style>
\n<body>
\n <div class="red big"><\/div>
\n<\/body> <\/p>\nid\u9009\u62e9\u5668<\/h6>\n
\n #black{
\n background-color: black;
\n }
\n<\/style>
\n<body>
\n <div id="black"><\/div>
\n<\/body> <\/p>\n\u901a\u914d\u7b26\u9009\u62e9\u5668<\/h6>\n
\n *{
\n background-color: black;
\n }
\n<\/style>
\n<body>
\n <div><\/div>
\n<\/body> <\/p>\n\u5e76\u96c6\u9009\u62e9\u5668<\/h4>\n
\n #Black,.black,div{
\n background-color: black;
\n }
\n<\/style>
\n<body>
\n <div id="Black"><\/div>
\n <div class="black"><\/div>
\n <div><\/div>
\n<\/body> <\/p>\n\u00a0\u4ea4\u96c6\u9009\u62e9\u5668<\/h4>\n
\np.highlight {
\n background-color: yellow;
\n}
\n<\/style>
\n<body>
\n <p class="highlight">\u8fd9\u662f\u4e00\u4e2a\u9ad8\u4eae\u7684\u6bb5\u843d\u3002<\/p>
\n <p>\u8fd9\u662f\u4e00\u4e2a\u666e\u901a\u6bb5\u843d\u3002<\/p>
\n<\/body> <\/p>\n\u5c42\u6b21\u9009\u62e9\u5668<\/h3>\n
\u540e\u4ee3\u9009\u62e9\u5668\u201c \u201d<\/h4>\n
\ndiv p {
\n color: red;
\n}
\n<\/style>
\n<body>
\n <div>
\n <p>\u8fd9\u662fdiv\u5185\u7684\u6bb5\u843d\u3002<\/p>
\n <span>\u8fd9\u662fdiv\u5185\u7684span\u3002<\/span>
\n <p>\u8fd9\u662f\u53e6\u4e00\u4e2adiv\u5185\u7684\u6bb5\u843d\u3002<\/p>
\n <\/div>
\n <p>\u8fd9\u662fdiv\u5916\u7684\u6bb5\u843d\u3002<\/p>
\n<\/body> <\/p>\n\u5b50\u5143\u7d20\u9009\u62e9 \u5668\u201c>\u201d<\/h4>\n
\n ul > li {
\n background-color: lightblue;
\n }
\n<\/style>
\n<body>
\n <ul>
\n <li>\u4e00\u7ea7\u5217\u8868\u9879<\/li>
\n <li>
\n \u4e00\u7ea7\u5217\u8868\u9879
\n <ul>
\n <li>\u4e8c\u7ea7\u5217\u8868\u9879<\/li>
\n <\/ul>
\n <\/li>
\n <\/ul>
\n<\/body> <\/p>\n\u76f8\u90bb\u5144\u5f1f\u9009\u62e9\u5668\u201c+\u201d<\/h4>\n
\n h2 + p {
\n font-style: italic;
\n }
\n<\/style>
\n<body>
\n <h2>\u6807\u9898<\/h2>
\n <p>\u8fd9\u662f\u6807\u9898\u540e\u9762\u7684\u7b2c\u4e00\u4e2a\u6bb5\u843d\u3002<\/p>
\n <p>\u8fd9\u662f\u53e6\u4e00\u4e2a\u6bb5\u843d\u3002<\/p>
\n<\/body> <\/p>\n\u901a\u7528\u5144\u5f1f\u9009\u62e9\u5668\u201c~\u201d<\/h4>\n
\n h3 ~ p {
\n color: green;
\n }
\n<\/style>
\n<body>
\n <h3>\u5c0f\u6807\u9898<\/h3>
\n <p>\u8fd9\u662f\u5c0f\u6807\u9898\u540e\u9762\u7684\u6bb5\u843d\u3002<\/p>
\n <div>\u4e00\u4e9b\u5176\u4ed6\u5185\u5bb9<\/div>
\n <p>\u8fd9\u662f\u53e6\u4e00\u4e2a\u6bb5\u843d\u3002<\/p>
\n<\/body> <\/p>\n\u94fe\u63a5\u4f2a\u7c7b\u63a7\u5236\u8d85\u94fe\u63a5<\/h3>\n
1.\u00a0:link\u00a0\u4f2a\u7c7b<\/h4>\n
2.\u00a0:visited\u00a0\u4f2a\u7c7b<\/h4>\n
3.\u00a0:hover\u00a0\u4f2a\u7c7b<\/h4>\n
4.\u00a0:active\u00a0\u4f2a\u7c7b<\/h4>\n
\u4f2a\u7c7b\u987a\u5e8f<\/h4>\n
\n <style>
\n a:link { color: blue; }
\n a:visited { color: purple; }
\n a:hover { color: red; }
\n a:active { color: white; }
\n <\/style>
\n<\/head>
\n<body>
\n <a href="https:\/\/www.example.com">\u8bbf\u95ee\u793a\u4f8b\u7f51\u7ad9<\/a>
\n<\/body> <\/p>\nCSS\u7684\u5c42\u53e0\u6027\u548c\u7ee7\u627f\u6027<\/h3>\n
\u5c42\u53e0\u6027<\/h4>\n
\u5c42\u53e0\u89c4\u5219<\/h5>\n
\n
\n
\n
\u7ee7\u627f\u6027<\/h4>\n
\n <style>
\n body {
\n font-family: Arial, sans-serif;
\n color: gray;
\n }<\/p>\n
\n \/* \u65e0\u9700\u8bbe\u7f6e font-family \u548c color，\u4f1a\u7ee7\u627f body \u7684\u6837\u5f0f *\/
\n }
\n <\/style>
\n<\/head><\/p>\n
\n <p>\u8fd9\u662f\u4e00\u4e2a\u6bb5\u843d，\u4f1a\u7ee7\u627f body \u7684\u5b57\u4f53\u548c\u989c\u8272<\/p>
\n<\/body> <\/p>\ninherit\u00a0<\/h5>\n
\n <style>
\n div {
\n border: 1px solid red;
\n }<\/p>\n
\n border: inherit;
\n }
\n <\/style>
\n<\/head>
\n<body>
\n <div>
\n <p>\u8fd9\u662f\u4e00\u4e2a\u6bb5\u843d，\u901a\u8fc7 inherit \u5173\u952e\u5b57\u7ee7\u627f\u4e86 div \u7684\u8fb9\u6846\u6837\u5f0f<\/p>
\n <\/div>
\n<\/body> <\/p>\n\u52a8\u6001\u4f2a\u7c7b\u9009\u62e9\u5668<\/h3>\n
:focus<\/h4>\n
\n
\n <style>
\n input:focus {
\n border: 2px solid blue;
\n }
\n <\/style>
\n<\/head>
\n<body>
\n <input type="text" placeholder="\u8f93\u5165\u5185\u5bb9">
\n<\/body> <\/p>\n:first-child<\/h4>\n
\n
:last-child<\/h4>\n
\n
:nth-child(n)<\/h4>\n
\n
:nth-last-child(n)<\/h4>\n
\n
\n <style>
\n ul li:nth-child(2) {
\n color: pink;
\n }
\n ul li:last-child {
\n color: orange;
\n }
\n ul li:first-child {
\n color: green;
\n }
\n <\/style>
\n<\/head>
\n<body>
\n <ul>
\n <li>\u7b2c\u4e00\u9879<\/li>
\n <li>\u7b2c\u4e8c\u9879<\/li>
\n <li>\u7b2c\u4e09\u9879<\/li>
\n <\/ul>
\n<\/body> <\/p>\n:only-child<\/h4>\n
:root<\/h4>\n
\u501f\u52a9JS\u5b9e\u73b0\u5207\u6362\u4e0d\u540c\u7684\u4e3b\u9898<\/h4>\n
\n<html lang="en"><\/p>\n
\n <meta charset="UTF-8">
\n <meta name="viewport" content="width=device-width, initial-scale=1.0">
\n <title>Root Pseudo-Class Theme Switch<\/title>
\n <style>
\n :root {
\n –primary-color: #007BFF;
\n –secondary-color: #6C757D;
\n –background-color: #FFFFFF;
\n –text-color: #333333;
\n }<\/p>\n
\n background-color: var(–background-color);
\n color: var(–text-color);
\n }<\/p>\n
\n background-color: var(–primary-color);
\n color: white;
\n border: none;
\n padding: 10px 20px;
\n cursor: pointer;
\n }
\n <\/style>
\n<\/head><\/p>\n
\n <h1>\u4e3b\u9898\u5207\u6362\u793a\u4f8b<\/h1>
\n <button onclick="switchToDarkTheme()">\u5207\u6362\u5230\u6df1\u8272\u4e3b\u9898<\/button>
\n <button onclick="switchToLightTheme()">\u5207\u6362\u5230\u6d45\u8272\u4e3b\u9898<\/button><\/p>\n
\n function switchToDarkTheme() {
\n document.documentElement.style.setProperty('–primary-color', '#17a2b8');
\n document.documentElement.style.setProperty('–secondary-color', '#343a40');
\n document.documentElement.style.setProperty('–background-color', '#212529');
\n document.documentElement.style.setProperty('–text-color', '#FFFFFF');
\n }<\/p>\n
\n document.documentElement.style.setProperty('–primary-color', '#007BFF');
\n document.documentElement.style.setProperty('–secondary-color', '#6C757D');
\n document.documentElement.style.setProperty('–background-color', '#FFFFFF');
\n document.documentElement.style.setProperty('–text-color', '#333333');
\n }
\n <\/script>
\n<\/body><\/p>\n\u8bbe\u7f6e\u5168\u5c40\u5b57\u4f53\u6837\u5f0f\u548c\u4e00\u4e9b\u57fa\u672c\u6837\u5f0f\u7684\u793a\u4f8b<\/h5>\n
\n <style>
\n :root {
\n font-family: Arial, sans-serif;
\n font-size: 16px;
\n line-height: 1.6;
\n color: #333;
\n }<\/p>\n
\n margin: 0;
\n padding: 20px;
\n }<\/p>\n
\n font-size: 2em;
\n }<\/p>\n
\n margin-bottom: 1em;
\n }
\n <\/style>
\n<\/head><\/p>\n
\n <h1>\u5168\u5c40\u6837\u5f0f\u793a\u4f8b<\/h1>
\n <p>\u8fd9\u6bb5\u6587\u672c\u4f7f\u7528\u4e86\u5728 :root \u4e2d\u5b9a\u4e49\u7684\u5168\u5c40\u5b57\u4f53\u548c\u57fa\u672c\u6837\u5f0f\u3002<\/p>
\n <p>\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u6574\u4e2a\u6587\u6863\u5177\u6709\u4e00\u81f4\u7684\u5916\u89c2\u3002<\/p>
\n<\/body> <\/p>\n:not<\/h4>\n
\n color: blue;
\n}
\n<ul>
\n <li class="special">\u7b2c\u4e00\u9879<\/li>
\n <li>\u7b2c\u4e8c\u9879<\/li>
\n <li>\u7b2c\u4e09\u9879<\/li>
\n<\/ul> <\/p>\n:empty<\/h4>\n
\n:empty {
\n width: 100px;
\n height: 100px;
\n border: 2px solid red;
\n}
\n<div class="box1"><\/div> <!– \u7a7a\u5143\u7d20，\u5339\u914d :empty –>
\n<div class="box2"> <\/div> <!– \u5305\u542b\u7a7a\u683c，\u4e0d\u5339\u914d –>
\n<div class="box3"><!– \u6ce8\u91ca –><\/div> <!– \u5305\u542b\u6ce8\u91ca，\u4e0d\u5339\u914d –>
\n<p class="text"><\/p> <!– \u7a7a\u6bb5\u843d，\u5339\u914d :empty –> <\/p>\n\u4f2a\u5143\u7d20\u9009\u62e9\u5668<\/h3>\n
:before\u548c:after<\/h4>\n
\u793a\u4f8b\u4e00（\u5185\u5bb9\u524d\u540e\u6dfb\u52a0\u7b26\u53f7）<\/h5>\n
\n content: "\u201c"; \/* \u5de6\u5f15\u53f7 *\/
\n font-size: 1.5em;
\n color: #666;
\n margin-right: 5px;
\n}<\/p>\n
\n content: "\u201d"; \/* \u53f3\u5f15\u53f7 *\/
\n font-size: 1.5em;
\n color: #666;
\n margin-left: 5px;
\n} <\/p>\n\u00a0\u793a\u4f8b\u4e8c（\u6e05\u9664\u6d6e\u52a8）<\/h5>\n
\n content: "";
\n display: block; \/* \u8f6c\u6362\u4e3a\u5757\u7ea7\u5143\u7d20 *\/
\n clear: both; \/* \u6e05\u9664\u6d6e\u52a8 *\/
\n height: 0;
\n visibility: hidden; \/* \u9690\u85cf\u5185\u5bb9 *\/
\n} <\/p>\n\n
\u00a0\u793a\u4f8b\u4e09（\u6dfb\u52a0\u8fb9\u6846）<\/h5>\n
\n position: relative;
\n padding: 20px;
\n}<\/p>\n
\n content: "";
\n position: absolute;
\n top: 0;
\n left: 0;
\n width: 100%;
\n height: 100%;
\n border: 2px solid red; \/* \u4e3a\u5143\u7d20\u6dfb\u52a0\u8fb9\u6846 *\/
\n z-index: -1; \/* \u7f6e\u4e8e\u5143\u7d20\u4e0b\u65b9 *\/
\n} <\/p>\n\n
\u62d3\u5c55\u5c5e\u6027\u9009\u62e9\u5668<\/h3>\n
^=\u524d\u7f00\u5339\u914d\u9009\u62e9\u5668<\/h4>\n
\n color: green;
\n} <\/p>\n$=\u540e\u7f00\u5339\u914d\u9009\u62e9\u5668<\/h4>\n
\n border: 2px solid blue;
\n} <\/p>\n*=\u5305\u542b\u5339\u914d\u9009\u62e9\u5668<\/h4>\n
\n background-color: lightyellow;
\n} <\/p>\n~=\u5355\u8bcd\u5305\u542b\u9009\u62e9\u5668<\/h4>\n
\n font-weight: bold;
\n} <\/p>\n|=\u8fde\u5b57\u7b26\u524d\u7f00\u5339\u914d\u9009\u62e9\u5668<\/h4>\n
\n font-family: Arial, sans-serif;
\n} <\/p>\n=\u7cbe\u786e\u5339\u914d\u9009\u62e9\u5668<\/h4>\n
\n -webkit-text-security: disc;
\n} <\/p>\n\u4e0d\u533a\u5206\u5927\u5c0f\u5199\u7684\u9009\u62e9\u5668<\/h4>\n
\n text-decoration: underline;
\n} <\/p>\n
\n\u6587\u672c<\/h2>\n
\n\u6587\u672c\u5916\u89c2\u5c5e\u6027<\/h3>\n
font<\/h4>\n
font-size<\/h6>\n
\n\n
\n \u76f8\u5bf9\u957f\u5ea6\u5355\u4f4d<\/td>\n \u8bf4\u660e<\/td>\n<\/tr>\n \n em<\/td>\n \u5f53\u524d\u5bf9\u8c61\u5185\u5b57\u4f53\u5c3a\u5bf8<\/td>\n<\/tr>\n \n px<\/td>\n \u50cf\u7d20<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \n\n
\n \u7edd\u5bf9\u957f\u5ea6\u5355\u4f4d<\/td>\n \u8bf4\u660e<\/td>\n<\/tr>\n \n in<\/td>\n \u82f1\u5bf8<\/td>\n<\/tr>\n \n cm<\/td>\n cm<\/td>\n<\/tr>\n \n mm<\/td>\n mm<\/td>\n<\/tr>\n \n pt<\/td>\n \u70b9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n font-family<\/h6>\n
font-weight<\/h6>\n
\n\n
\n \u503c<\/td>\n \u8bf4\u660e<\/td>\n<\/tr>\n \n normal<\/td>\n \u9ed8\u8ba4<\/td>\n<\/tr>\n \n bold<\/td>\n \u7c97\u4f53<\/td>\n<\/tr>\n \n bloder<\/td>\n \u66f4\u7c97<\/td>\n<\/tr>\n \n lighter<\/td>\n \u66f4\u7ec6<\/td>\n<\/tr>\n \n 100~900<\/td>\n \n font-style<\/h6>\n
\n\n
\n \u503c<\/td>\n \u8bf4\u660e<\/td>\n<\/tr>\n \n normal<\/td>\n \u9ed8\u8ba4<\/td>\n<\/tr>\n \n italic<\/td>\n \u659c\u4f53<\/td>\n<\/tr>\n \n oblique<\/td>\n \u503e\u659c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n @font-face<\/h6>\n
\n <style>
\n @font-face{
\n font-family:\u5b57\u540d\u4f53\u79f0
\n src:\u8def\u5f84
\n }
\n <\/style>
\n<\/head> <\/p>\nfont-variant<\/h5>\n
\n
\u503c\u63cf\u8ff0<\/tr>\n \n\n normal（\u9ed8\u8ba4）<\/td>\n \u5e38\u89c4\u5b57\u4f53，\u4e0d\u542f\u7528\u4efb\u4f55\u53d8\u4f53<\/td>\n <\/td>\n<\/tr>\n \n small-caps<\/td>\n \u5c0f\u5199\u5b57\u6bcd\u8f6c\u4e3a\u5c0f\u578b\u5927\u5199（\u5927\u5199\u5b57\u6bcd\u4fdd\u6301\u539f\u5927\u5c0f）<\/td>\n <\/td>\n<\/tr>\n \n lining-nums<\/td>\n \u6570\u5b57\u4e0e\u5927\u5199\u5b57\u6bcd\u5bf9\u9f50（\u7b49\u9ad8\u6570\u5b57，\u9002\u5408\u6807\u9898）<\/td>\n <\/td>\n<\/tr>\n \n oldstyle-nums<\/td>\n \u6570\u5b57\u4e0e\u5c0f\u5199\u5b57\u6bcd\u5bf9\u9f50（\u4f20\u7edf\u6570\u5b57，\u6709\u5347 \/ \u964d\u90e8，\u9002\u5408\u6b63\u6587）<\/td>\n <\/td>\n<\/tr>\n \n tabular-nums<\/td>\n \u6570\u5b57\u7b49\u5bbd\u6392\u5217（\u9002\u5408\u8868\u683c\u5bf9\u9f50）<\/td>\n <\/td>\n<\/tr>\n \n proportional-nums<\/td>\n \u6570\u5b57\u5bbd\u5ea6\u4e0d\u7b49（\u9ed8\u8ba4\u6bd4\u4f8b）<\/td>\n <\/td>\n<\/tr>\n \n petite-caps<\/td>\n \u6bd4\u00a0small-caps\u00a0\u66f4\u5c0f\u7684\u5c0f\u578b\u5927\u5199（\u9700\u5b57\u4f53\u652f\u6301）<\/td>\n <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n font\u7efc\u5408\u5c5e\u6027<\/h5>\n
\n
\n<style>
\n.text {
\n font: italic small-caps bold 1.2rem\/1.6 "Segoe UI", sans-serif;
\n \/* \u7b49\u4ef7\u4e8e：
\n font-style: italic;
\n font-variant: small-caps;
\n font-weight: bold;
\n font-size: 1.2rem;
\n line-height: 1.6;
\n font-family: "Segoe UI", sans-serif;
\n *\/
\n}
\n<\/style> <\/p>\ncolor<\/h4>\n
\n
spacing<\/h4>\n
letter-spacing<\/h5>\n
word-spacing<\/h5>\n
line-height<\/h4>\n
\n
text<\/h4>\n
text-form<\/h5>\n
\n
text-decoration<\/h5>\n
\n
text-align<\/h5>\n
\n
text-indent<\/h5>\n
text-shadow<\/h5>\n
\n
text-overflow<\/h5>\n
\n
\n
white-space<\/h4>\n
1.\u00a0normal（\u9ed8\u8ba4\u503c）<\/h5>\n
2.\u00a0nowrap<\/h5>\n
3.\u00a0pre<\/h5>\n
4.\u00a0pre-wrap<\/h5>\n
\u00a05.\u00a0pre-line<\/h5>\n
\n\u76d2\u5b50\u6a21\u578b<\/h2>\n
\n\u8fb9\u8ddd（\u5916\u8fb9\u8ddd）（Margin）<\/h3>\n
\u8fb9\u6846（Border）<\/h3>\n
border<\/h4>\n
border-style<\/h4>\n
border-width<\/h4>\n
border-color<\/h4>\n
\u00a0border-radius（\u5706\u89d2\u8fb9\u6846）<\/span><\/h4>\n
\n border – radius: 10px;
\n} <\/p>\n\u659c\u6760（\/）\u5206\u9694\u503c<\/h5>\n
\n border – radius: 20px \/ 40px;
\n} <\/p>\n
\n border – radius: 10px 20px 30px 40px \/ 20px 30px 40px 50px;
\n} <\/p>\nborder-images（\u56fe\u7247\u8fb9\u6846）<\/h4>\n
\n
\n<html lang="en"><\/p>\n
\n <meta charset="UTF-8">
\n <style>
\n .border-image-box {
\n width: 200px;
\n height: 100px;
\n border: 20px solid;
\n border-image: url('border.png') 30 round;
\n padding: 20px;
\n text-align: center;
\n }
\n <\/style>
\n<\/head><\/p>\n
\n <div class="border-image-box">
\n \u8fd9\u662f\u4e00\u4e2a\u4f7f\u7528\u56fe\u7247\u8fb9\u6846\u7684\u76d2\u5b50
\n <\/div>
\n<\/body><\/p>\n\n
\u5185\u8fb9\u8ddd（\u586b\u5145）（Padding）：<\/h3>\n
\u5185\u5bb9\u533a\u57df（Content）<\/h3>\n
\u80cc\u666f<\/h3>\n
background-color<\/h4>\n
background-image<\/h4>\n
\n background-image: url('image1.jpg'), url('image2.jpg');
\n} <\/p>\nbackground-repeat<\/h4>\n
repeat<\/h5>\n
no-repeat<\/h5>\n
repeat-x<\/h5>\n
repeat-y<\/h5>\n
background-size<\/h4>\n
background-position<\/h4>\n
background-attachment<\/h4>\n
scroll<\/h5>\n
fixed<\/h5>\n
local<\/h5>\n
background-origin<\/h4>\n
padding-box:<\/h5>\n
border-box:<\/h5>\n
content-box:<\/h5>\n
background<\/h4>\n
\n background: url('bg.jpg') no-repeat center\/cover fixed;
\n} <\/p>\nopacity<\/h4>\n
box-shadow<\/span><\/h4>\n
\n
\n width: 200px;
\n height: 100px;
\n background-color: lightgreen;
\n box-shadow: inset 3px 3px 6px rgba(0, 0, 0, 0.2);
\n} <\/p>\n
\n width: 200px;
\n height: 100px;
\n background-color: lightcoral;
\n box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.3), -5px -5px 10px rgba(255, 255, 255, 0.8);
\n} <\/p>\n\u989c\u8272\u6e10\u53d8<\/span><\/h4>\n
\u7ebf\u6027\u6e10\u53d8<\/h5>\n
\n
\n background: linear-gradient(45deg, red, blue);
\n} <\/p>\n
\n background: linear-gradient(to right, red 20%, yellow 50%, green 80%);
\n} <\/p>\n\u91cd\u590d\u7ebf\u6027\u6e10\u53d8<\/h5>\n
\n background: repeating-linear-gradient(45deg, red, red 10px, blue 10px, blue 20px);
\n} <\/p>\n\u5f84\u5411\u6e10\u53d8<\/h5>\n
\n
\n
\n background: radial-gradient(red, blue);
\n} <\/p>\n
\n background: radial-gradient(circle, red, blue);
\n} <\/p>\n
\n background: radial-gradient(at top left, red, blue);
\n} <\/p>\n
\n background: radial-gradient(circle closest-side, red, blue);
\n} <\/p>\n
\n background: radial-gradient(red 10%, yellow 30%, green 60%);
\n} <\/p>\n\u91cd\u590d\u5f84\u5411\u6e10\u53d8<\/h5>\n
\n background: repeating-radial-gradient(circle, red, red 10px, blue 10px, blue 20px);
\n} <\/p>\n\u8865\u5145<\/h3>\n
1.\u8fd8\u6709\u4e00\u91cd\u8981\u4e2a\u5c5e\u6027：<\/h4>\n
2.\u5916\u8fb9\u8ddd\u584c\u9677<\/h4>\n
\n
3.auto\u5c45\u4e2d<\/span><\/h4>\n
4.\u5143\u7d20\u7684\u7c7b\u578b\u548c\u8f6c\u6362<\/h4>\n
\u5143\u7d20\u7c7b\u578b<\/h5>\n
\u5757\u7ea7\u5143\u7d20<\/h5>\n
\n
\n
\u00a0\u884c\u5185\u5757\u7ea7\u5143\u7d20<\/h5>\n
\n
\u7c7b\u578b\u8f6c\u6362<\/h5>\n
4.\u5143\u7d20\u7684\u9690\u85cf<\/h4>\n
\n\u5217\u8868<\/span><\/h2>\n
\nlist-style-type<\/span><\/h3>\n
\n\n
\n \u5217\u8868\u7c7b\u578b<\/td>\n \u5c5e\u6027\u503c<\/td>\n \u663e\u793a\u6548\u679c<\/td>\n<\/tr>\n \n \u65e0\u5e8f\u5217\u8868（ul）<\/td>\n disc<\/td>\n \u25cf<\/td>\n<\/tr>\n \n circle<\/td>\n \u25cb<\/td>\n<\/tr>\n \n squarre<\/td>\n \u25a0<\/td>\n<\/tr>\n \n \u6709\u5e8f\u5217\u8868（ol）<\/td>\n decimal<\/td>\n \u963f\u62c9\u4f2f\u6570\u5b571\u30012\u30013……<\/td>\n<\/tr>\n \n upper-alpha<\/td>\n \u5927\u5199\u82f1\u6587\u5b57\u6bcdA\u3001B\u3001C……<\/td>\n<\/tr>\n \n lower-alpha<\/td>\n \u5c0f\u5199\u82f1\u6587\u5b57\u6bcda\u3001b\u3001c……<\/td>\n<\/tr>\n \n upper-roman<\/td>\n \u5927\u5199\u7f57\u9a6c\u6570\u5b57I\u3001II\u3001III……<\/td>\n<\/tr>\n \n lower-roman<\/td>\n \u5c0f\u5199\u7f57\u9a6c\u6570\u5b57i\u3001ii\u3001iii……<\/td>\n<\/tr>\n \n (ol)(ul)\u516c\u5171\u5c5e\u6027<\/td>\n none<\/td>\n \u4e0d\u663e\u793a\u4efb\u4f55\u7b26\u53f7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n list-style-image<\/h3>\n
list-style-position<\/h3>\n
\n list-style: url('custom-marker.png') square outside;
\n} <\/p>\n
\n\u9875\u9762\u5e03\u5c40<\/h2>\n
\n\u6d6e\u52a8<\/h3>\n
\u8bbe\u7f6e\u6d6e\u52a8（float）<\/h4>\n
\n\n
\n left<\/td>\n \u5411\u5de6\u6d6e\u52a8<\/td>\n<\/tr>\n \n right<\/td>\n \u5411\u53f3\u6d6e\u52a8<\/td>\n<\/tr>\n \n none<\/td>\n \u4e0d\u6d6e\u52a8（\u9ed8\u8ba4）<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n 1.<\/h5>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250506091519-6819d327b17d5.png\")
<\/p>\n2.\u00a0<\/h5>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250506091519-6819d327c0b7d.png\")
<\/p>\n3.\u00a0<\/h5>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250506091519-6819d327d12b2.png\")
<\/p>\n4.\u00a0<\/h5>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250506091519-6819d327db817.png\")
<\/p>\n5.<\/h5>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250506091519-6819d327ec187.png\")
<\/p>\n\u6e05\u9664\u6d6e\u52a8（clear）<\/h4>\n
\n\n
\n left<\/td>\n \u6e05\u9664\u5de6\u6d6e\u52a8<\/td>\n<\/tr>\n \n right<\/td>\n \u6e05\u9664\u53f3\u6d6e\u52a8<\/td>\n<\/tr>\n \n both<\/td>\n \u6e05\u9664\u4e24\u4fa7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u00a0\u7279\u6b8a\u7684\u6e05\u9664\u6d6e\u52a8<\/h4>\n
1.\u4f7f\u7528overflow\u5c5e\u6027<\/h5>\n
\n<html>
\n<head>
\n <style>
\n .parent {
\n \/* \u89e6\u53d1 BFC *\/
\n overflow: auto;
\n background-color: lightblue;
\n }
\n .child {
\n float: left;
\n width: 100px;
\n height: 100px;
\n background-color: lightcoral;
\n margin: 10px;
\n }
\n <\/style>
\n<\/head>
\n<body>
\n <div class="parent">
\n <div class="child"><\/div>
\n <div class="child"><\/div>
\n <\/div>
\n<\/body>
\n<\/html> <\/p>\n\n\n
\n visible<\/td>\n \u5185\u5bb9\u4e0d\u4f1a\u88ab\u4fee\u526a，\u4f1a\u5448\u73b0\u5728\u5143\u7d20\u6846\u4e4b\u5916（\u9ed8\u8ba4\u503c）<\/td>\n<\/tr>\n \n hidden<\/td>\n \u6ea2\u51fa\u5185\u5bb9\u4f1a\u88ab\u4fee\u526a，\u5e76\u4e14\u88ab\u4fee\u526a\u7684\u5185\u5bb9\u662f\u4e0d\u53ef\u89c1\u7684<\/td>\n<\/tr>\n \n auto<\/td>\n \u5728\u9700\u8981\u65f6\u4ea7\u751f\u6eda\u52a8\u6761，\u5373\u81ea\u9002\u5e94\u6240\u8981\u663e\u793a\u7684\u5185\u5bb9<\/td>\n<\/tr>\n \n scroll<\/td>\n \u6ea2\u51fa\u5185\u5bb9\u4f1a\u88ab\u4fee\u526a，\u4e14\u6d4f\u89c8\u5668\u4f1a\u59cb\u7ec8\u663e\u793a\u6eda\u52a8\u6761<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n 2.\u4f7f\u7528\u7a7a\u6807\u7b7e<\/h5>\n
\n<html>
\n<head>
\n <style>
\n .parent {
\n background-color: lightblue;
\n }
\n .child {
\n float: left;
\n width: 100px;
\n height: 100px;
\n background-color: lightcoral;
\n margin: 10px;
\n }
\n .clear {
\n clear: both;
\n }
\n <\/style>
\n<\/head>
\n<body>
\n <div class="parent">
\n <div class="child"><\/div>
\n <div class="child"><\/div>
\n <!– \u6dfb\u52a0\u7a7a\u7684 div \u6807\u7b7e\u7528\u4e8e\u6e05\u9664\u6d6e\u52a8 –>
\n <div class="clear"><\/div>
\n <\/div>
\n<\/body>
\n<\/html> <\/p>\n3.after\u4f2a\u5bf9\u8c61\u00a0<\/h5>\n
\n<html>
\n<head>
\n <style>
\n .parent {
\n background-color: lightblue;
\n }
\n .parent::after {
\n content: "";
\n display: block;
\n clear: both;
\n height: 0;
\n visibility: hidden;
\n }
\n .child {
\n float: left;
\n width: 100px;
\n height: 100px;
\n background-color: lightcoral;
\n margin: 10px;
\n }
\n <\/style>
\n<\/head>
\n<body>
\n <div class="parent">
\n <div class="child"><\/div>
\n <div class="child"><\/div>
\n <\/div>
\n<\/body>
\n<\/html> <\/p>\n\n
\u6d6e\u52a8\u7684\u5b9e\u9645\u5e94\u7528：<\/h4>\n
\u8bbe\u7f6e\u5bfc\u822a\u83dc\u5355<\/h5>\n
\n<html>
\n<head>
\n <style>
\n \/* \u5782\u76f4\u5bfc\u822a\u83dc\u5355\u6837\u5f0f *\/
\n .vertical-menu {
\n width: 200px;
\n background-color: #f1f1f1;
\n }
\n .vertical-menu a {
\n display: block;
\n color: black;
\n padding: 12px;
\n text-decoration: none;
\n }
\n .vertical-menu a:hover {
\n background-color: #ccc;
\n }
\n .vertical-menu a.active {
\n background-color: #04AA6D;
\n color: white;
\n }
\n \/* \u6c34\u5e73\u5bfc\u822a\u83dc\u5355\u6837\u5f0f *\/
\n .horizontal-menu {
\n background-color: #333;
\n overflow: hidden;
\n }
\n .horizontal-menu a {
\n float: left;
\n color: #f2f2f2;
\n text-align: center;
\n padding: 14px 16px;
\n text-decoration: none;
\n font-size: 17px;
\n }
\n .horizontal-menu a:hover {
\n background-color: #ddd;
\n color: black;
\n }
\n .horizontal-menu a.active {
\n background-color: #04AA6D;
\n color: white;
\n }
\n <\/style>
\n<\/head>
\n<body>
\n <!– \u5782\u76f4\u5bfc\u822a\u83dc\u5355 –>
\n <div class="vertical-menu">
\n <a href="#" class="active">\u4e3b\u9875<\/a>
\n <a href="#">\u5173\u4e8e<\/a>
\n <a href="#">\u670d\u52a1<\/a>
\n <a href="#">\u8054\u7cfb\u6211\u4eec<\/a>
\n <\/div>
\n <!– \u6c34\u5e73\u5bfc\u822a\u83dc\u5355 –>
\n <div class="horizontal-menu">
\n <a class="active" href="#">\u4e3b\u9875<\/a>
\n <a href="#">\u5173\u4e8e<\/a>
\n <a href="#">\u670d\u52a1<\/a>
\n <a href="#">\u8054\u7cfb\u6211\u4eec<\/a>
\n <\/div>
\n<\/body>
\n<\/html> <\/p>\n\u5b9a\u4f4d<\/h3>\n
\u5b9a\u4f4d\u6a21\u5f0f<\/h4>\n
\n\n
\n static<\/td>\n \n \n relative<\/td>\n \u76f8\u5bf9\u5b9a\u4f4d（\u76f8\u5bf9\u4e8e\u539f\u6587\u6863\u6d41\u4f4d\u7f6e）<\/td>\n<\/tr>\n \n absolute<\/td>\n \u7edd\u5bf9\u5b9a\u4f4d（\u76f8\u5bf9\u4e8e\u4e0a\u4e00\u4e2a\u5df2\u5b9a\u4f4d\u5143\u7d20）<\/td>\n<\/tr>\n \n fixed<\/td>\n \u56fa\u5b9a\u5b9a\u4f4d（\u76f8\u5bf9\u4e8e\u6d4f\u89c8\u5668\u7a97\u53e3）<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n static（\u9759\u6001\u5b9a\u4f4d）\u00a0<\/h5>\n
relative（\u76f8\u5bf9\u5b9a\u4f4d）<\/h5>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250506091520-6819d32808462.png\")
<\/p>\nabsolute（\u7edd\u5bf9\u5b9a\u4f4d）<\/h5>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250506091520-6819d328303c0.png\")
<\/p>\n\u8fb9\u504f\u79fb<\/h4>\n
\n\n
\n top<\/td>\n \u76f8\u5bf9\u4e8e\u5176\u539f\u4f4d\u7f6e\u6216\u7236\u5143\u7d20\u4e0a\u8fb9\u7ebf\u7684\u8ddd\u79bb<\/td>\n<\/tr>\n \n \n \u76f8\u5bf9\u4e8e\u5176\u539f\u4f4d\u7f6e\u6216\u7236\u5143\u7d20\u4e0b\u8fb9\u7ebf\u7684\u8ddd\u79bb<\/td>\n<\/tr>\n \n left<\/td>\n \u76f8\u5bf9\u4e8e\u5176\u539f\u4f4d\u7f6e\u6216\u7236\u5143\u7d20\u5de6\u8fb9\u7ebf\u7684\u8ddd\u79bb<\/td>\n<\/tr>\n \n right<\/td>\n \u76f8\u5bf9\u4e8e\u5176\u539f\u4f4d\u7f6e\u6216\u7236\u5143\u7d20\u53f3\u8fb9\u7ebf\u7684\u8ddd\u79bb<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u8865\u5145<\/h4>\n
z-index<\/h5>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250506091520-6819d3285113c.png\")
<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"