{"id":1824,"date":"2025-02-20T20:55:03","date_gmt":"2025-02-20T12:55:03","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=1824"},"modified":"2025-02-20T20:55:03","modified_gmt":"2025-02-20T12:55:03","slug":"css3-%e8%83%8c%e6%99%af","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/02\/20\/css3-%e8%83%8c%e6%99%af\/","title":{"rendered":"CSS3 \u80cc\u666f"},"content":{"rendered":"\n

CSS3 \u80cc\u666f<\/strong>\u662f\u7f51\u9875\u8bbe\u8ba1\u4e2d\u975e\u5e38\u91cd\u8981\u7684\u90e8\u5206\uff0cCSS3 \u4e3a\u80cc\u666f\u6548\u679c\u63d0\u4f9b\u4e86\u5f88\u591a\u65b0\u7279\u6027\uff0c\u4f7f\u5f97\u7f51\u9875\u7684\u89c6\u89c9\u6548\u679c\u66f4\u52a0\u4e30\u5bcc\u591a\u5f69\u3002<\/p>\n\n\n\n

1. background-color<\/code> – \u80cc\u666f\u989c\u8272<\/strong><\/h3>\n\n\n\n

background-color<\/code> \u7528\u4e8e\u8bbe\u7f6e\u5143\u7d20\u7684\u80cc\u666f\u989c\u8272\u3002\u5b83\u53ef\u4ee5\u63a5\u53d7\u989c\u8272\u503c\uff08\u5982 #FF5733<\/code>\uff09\u3001\u989c\u8272\u540d\u79f0\uff08\u5982 red<\/code>\uff09\u3001rgb()<\/code> \u6216 rgba()<\/code> \u7b49\u683c\u5f0f\u3002<\/p>\n\n\n\n

\u793a\u4f8b\uff1a<\/h4>\n\n\n\n
div {\n    background-color: lightblue; \/* \u8bbe\u7f6e\u80cc\u666f\u989c\u8272\u4e3a\u6d45\u84dd\u8272 *\/\n}<\/code><\/pre>\n\n\n\n
\u900f\u660e\u80cc\u666f\uff1a<\/h4>\n\n\n\n
\u53ef\u4ee5\u4f7f\u7528 rgba()<\/code> \u51fd\u6570\u6765\u8bbe\u7f6e\u5e26\u6709\u900f\u660e\u5ea6\u7684\u80cc\u666f\u989c\u8272\uff0crgba()<\/code> \u7684\u7b2c\u56db\u4e2a\u53c2\u6570\u662f\u900f\u660e\u5ea6\uff080 \u4e3a\u5b8c\u5168\u900f\u660e\uff0c1 \u4e3a\u5b8c\u5168\u4e0d\u900f\u660e\uff09\u3002<\/p>\n\n\n\n
div {\n    background-color: rgba(255, 99, 71, 0.5); \/* \u534a\u900f\u660e\u80cc\u666f\u8272 *\/\n}<\/code><\/pre>\n\n\n\n
\n\n\n\n
2. background-image<\/code> – \u80cc\u666f\u56fe\u50cf<\/strong><\/h3>\n\n\n\n
background-image<\/code> \u7528\u4e8e\u8bbe\u7f6e\u5143\u7d20\u7684\u80cc\u666f\u56fe\u50cf\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528 url()<\/code> \u6765\u6307\u5b9a\u56fe\u7247\u8def\u5f84\uff0c\u4e5f\u53ef\u4ee5\u8bbe\u7f6e\u591a\u4e2a\u80cc\u666f\u56fe\u50cf\u3002<\/p>\n\n\n\n
\u8bed\u6cd5\uff1a<\/h4>\n\n\n\n
background-image: url('image.jpg');<\/code><\/pre>\n\n\n\n
\u793a\u4f8b\uff1a<\/h4>\n\n\n\n
div {\n    background-image: url('background.jpg'); \/* \u8bbe\u7f6e\u80cc\u666f\u56fe\u50cf *\/\n}<\/code><\/pre>\n\n\n\n
\u4f60\u8fd8\u53ef\u4ee5\u4f7f\u7528\u591a\u4e2a\u56fe\u50cf\u4f5c\u4e3a\u80cc\u666f\uff0c\u5e76\u901a\u8fc7\u9017\u53f7\u5206\u9694\uff1a<\/p>\n\n\n\n
div {\n    background-image: url('image1.jpg'), url('image2.png');\n}<\/code><\/pre>\n\n\n\n
\n\n\n\n
3. background-repeat<\/code> – \u80cc\u666f\u91cd\u590d<\/strong><\/h3>\n\n\n\n
background-repeat<\/code> \u7528\u4e8e\u63a7\u5236\u80cc\u666f\u56fe\u50cf\u662f\u5426\u91cd\u590d\u3002\u5982\u679c\u56fe\u50cf\u672c\u8eab\u6bd4\u5143\u7d20\u7684\u5c3a\u5bf8\u5c0f\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u5b83\u91cd\u590d\u663e\u793a\u3002<\/p>\n\n\n\n
\u8bed\u6cd5\uff1a<\/h4>\n\n\n\n
background-repeat: repeat | repeat-x | repeat-y | no-repeat;<\/code><\/pre>\n\n\n\n
    \n
  • repeat<\/code>\uff1a\u9ed8\u8ba4\u503c\uff0c\u80cc\u666f\u56fe\u50cf\u4f1a\u5728\u6c34\u5e73\u548c\u5782\u76f4\u65b9\u5411\u4e0a\u90fd\u91cd\u590d\u3002<\/li>\n\n\n\n
  • repeat-x<\/code>\uff1a\u53ea\u5728\u6c34\u5e73\u65b9\u5411\u4e0a\u91cd\u590d\u3002<\/li>\n\n\n\n
  • repeat-y<\/code>\uff1a\u53ea\u5728\u5782\u76f4\u65b9\u5411\u4e0a\u91cd\u590d\u3002<\/li>\n\n\n\n
  • no-repeat<\/code>\uff1a\u4e0d\u91cd\u590d\u80cc\u666f\u56fe\u50cf\u3002<\/li>\n<\/ul>\n\n\n\n
    \u793a\u4f8b\uff1a<\/h4>\n\n\n\n
    div {\n    background-image: url('pattern.png');\n    background-repeat: repeat; \/* \u56fe\u50cf\u5728\u6c34\u5e73\u548c\u5782\u76f4\u65b9\u5411\u4e0a\u90fd\u91cd\u590d *\/\n}<\/code><\/pre>\n\n\n\n
    \u5982\u679c\u4f60\u5e0c\u671b\u80cc\u666f\u56fe\u50cf\u4e0d\u91cd\u590d\uff1a<\/p>\n\n\n\n
    div {\n    background-image: url('image.jpg');\n    background-repeat: no-repeat; \/* \u4e0d\u91cd\u590d\u80cc\u666f\u56fe\u50cf *\/\n}<\/code><\/pre>\n\n\n\n
    \n\n\n\n
    4. background-position<\/code> – \u80cc\u666f\u4f4d\u7f6e<\/strong><\/h3>\n\n\n\n
    background-position<\/code> \u7528\u4e8e\u6307\u5b9a\u80cc\u666f\u56fe\u50cf\u7684\u4f4d\u7f6e\u3002\u53ef\u4ee5\u4f7f\u7528\u5173\u952e\u5b57\uff08top<\/code>\u3001right<\/code>\u3001bottom<\/code>\u3001left<\/code>\uff09\u6216\u5177\u4f53\u7684\u5750\u6807\u503c\uff08\u5982 px<\/code> \u6216 %<\/code>\uff09\u3002<\/p>\n\n\n\n
    \u8bed\u6cd5\uff1a<\/h4>\n\n\n\n
    background-position: <horizontal-position> <vertical-position>;<\/code><\/pre>\n\n\n\n
      \n
    • <horizontal-position><\/code>\uff1a\u6307\u5b9a\u56fe\u50cf\u5728\u6c34\u5e73\u65b9\u5411\u7684\u4f4d\u7f6e\u3002<\/li>\n\n\n\n
    • <vertical-position><\/code>\uff1a\u6307\u5b9a\u56fe\u50cf\u5728\u5782\u76f4\u65b9\u5411\u7684\u4f4d\u7f6e\u3002<\/li>\n<\/ul>\n\n\n\n
      \u793a\u4f8b\uff1a<\/h4>\n\n\n\n
      div {\n    background-image: url('image.jpg');\n    background-position: top right; \/* \u80cc\u666f\u56fe\u50cf\u653e\u7f6e\u5728\u53f3\u4e0a\u89d2 *\/\n}<\/code><\/pre>\n\n\n\n
      \u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528\u50cf\u7d20\u6216\u767e\u5206\u6bd4\u6765\u7cbe\u786e\u63a7\u5236\u4f4d\u7f6e\uff1a<\/p>\n\n\n\n
      div {\n    background-image: url('image.jpg');\n    background-position: 50% 50%; \/* \u80cc\u666f\u56fe\u50cf\u5c45\u4e2d *\/\n}<\/code><\/pre>\n\n\n\n
      \n\n\n\n
      5. background-size<\/code> – \u80cc\u666f\u5c3a\u5bf8<\/strong><\/h3>\n\n\n\n
      background-size<\/code> \u7528\u4e8e\u8bbe\u7f6e\u80cc\u666f\u56fe\u50cf\u7684\u5c3a\u5bf8\u3002\u53ef\u4ee5\u8bbe\u7f6e\u4e3a\u56fa\u5b9a\u7684\u5bbd\u9ad8\uff0c\u6216\u8005\u4f7f\u7528\u5173\u952e\u5b57 cover<\/code> \u548c contain<\/code> \u6765\u81ea\u52a8\u8c03\u6574\u56fe\u50cf\u7684\u5c3a\u5bf8\u3002<\/p>\n\n\n\n
      \u8bed\u6cd5\uff1a<\/h4>\n\n\n\n
      background-size: <width> <height> | cover | contain;<\/code><\/pre>\n\n\n\n
        \n
      • cover<\/code>\uff1a\u7f29\u653e\u80cc\u666f\u56fe\u50cf\uff0c\u4ee5\u5b8c\u5168\u8986\u76d6\u80cc\u666f\u533a\u57df\uff0c\u53ef\u80fd\u4f1a\u88c1\u526a\u56fe\u50cf\u3002<\/li>\n\n\n\n
      • contain<\/code>\uff1a\u7f29\u653e\u80cc\u666f\u56fe\u50cf\uff0c\u4ee5\u4fdd\u8bc1\u56fe\u50cf\u7684\u5b8c\u6574\u663e\u793a\uff0c\u53ef\u80fd\u4f1a\u7559\u6709\u7a7a\u767d\u533a\u57df\u3002<\/li>\n\n\n\n
      • <width><\/code> \u548c <height><\/code>\uff1a\u8bbe\u7f6e\u5177\u4f53\u7684\u5bbd\u5ea6\u548c\u9ad8\u5ea6\u3002<\/li>\n<\/ul>\n\n\n\n
        \u793a\u4f8b\uff1a<\/h4>\n\n\n\n
        div {\n    background-image: url('image.jpg');\n    background-size: cover; \/* \u80cc\u666f\u56fe\u50cf\u5b8c\u5168\u8986\u76d6\u80cc\u666f\u533a\u57df *\/\n}<\/code><\/pre>\n\n\n\n
        \u5982\u679c\u4f60\u5e0c\u671b\u80cc\u666f\u56fe\u50cf\u4fdd\u6301\u539f\u5c3a\u5bf8\uff1a<\/p>\n\n\n\n
        div {\n    background-image: url('image.jpg');\n    background-size: auto; \/* \u80cc\u666f\u56fe\u50cf\u4fdd\u6301\u539f\u59cb\u5c3a\u5bf8 *\/\n}<\/code><\/pre>\n\n\n\n
        \n\n\n\n
        6. background-attachment<\/code> – \u80cc\u666f\u56fa\u5b9a\/\u6eda\u52a8<\/strong><\/h3>\n\n\n\n
        background-attachment<\/code> \u7528\u4e8e\u63a7\u5236\u80cc\u666f\u56fe\u50cf\u662f\u5426\u968f\u7740\u9875\u9762\u7684\u6eda\u52a8\u800c\u6eda\u52a8\u3002<\/p>\n\n\n\n
        \u8bed\u6cd5\uff1a<\/h4>\n\n\n\n
        background-attachment: scroll | fixed | local;<\/code><\/pre>\n\n\n\n
          \n
        • scroll<\/code>\uff1a\u80cc\u666f\u56fe\u50cf\u968f\u7740\u9875\u9762\u5185\u5bb9\u6eda\u52a8\uff08\u9ed8\u8ba4\u503c\uff09\u3002<\/li>\n\n\n\n
        • fixed<\/code>\uff1a\u80cc\u666f\u56fe\u50cf\u56fa\u5b9a\u5728\u89c6\u53e3\uff0c\u4e0d\u968f\u5185\u5bb9\u6eda\u52a8\u3002<\/li>\n\n\n\n
        • local<\/code>\uff1a\u80cc\u666f\u56fe\u50cf\u968f\u7740\u5185\u5bb9\u6eda\u52a8\uff0c\u4f46\u53ea\u5728\u5143\u7d20\u5185\u6eda\u52a8\uff08\u9002\u7528\u4e8e\u5e26\u6709\u6eda\u52a8\u6761\u7684\u5143\u7d20\uff09\u3002<\/li>\n<\/ul>\n\n\n\n
          \u793a\u4f8b\uff1a<\/h4>\n\n\n\n
          div {\n    background-image: url('image.jpg');\n    background-attachment: fixed; \/* \u80cc\u666f\u56fe\u50cf\u56fa\u5b9a\u5728\u89c6\u53e3 *\/\n}<\/code><\/pre>\n\n\n\n
          \n\n\n\n
          7. background<\/code> \u7b80\u5199\u5c5e\u6027<\/strong><\/h3>\n\n\n\n
          background<\/code> \u662f\u4e00\u4e2a\u7b80\u5199\u5c5e\u6027\uff0c\u53ef\u4ee5\u7528\u6765\u540c\u65f6\u8bbe\u7f6e\u591a\u4e2a\u80cc\u666f\u76f8\u5173\u7684\u5c5e\u6027\uff1abackground-color<\/code>\u3001background-image<\/code>\u3001background-repeat<\/code>\u3001background-position<\/code>\u3001background-size<\/code> \u7b49\u3002<\/p>\n\n\n\n
          \u8bed\u6cd5\uff1a<\/h4>\n\n\n\n
          background: <background-color> <background-image> <background-repeat> <background-position> <background-size> <background-attachment>;<\/code><\/pre>\n\n\n\n
          \u793a\u4f8b\uff1a<\/h4>\n\n\n\n
          div {\n    background: lightblue url('image.jpg') no-repeat center center \/ cover fixed;\n}<\/code><\/pre>\n\n\n\n
          \u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cbackground<\/code> \u540c\u65f6\u8bbe\u7f6e\u4e86\uff1a<\/p>\n\n\n\n
            \n
          • background-color<\/code> \u4e3a lightblue<\/code><\/li>\n\n\n\n
          • background-image<\/code> \u4e3a image.jpg<\/code><\/li>\n\n\n\n
          • background-repeat<\/code> \u4e3a no-repeat<\/code><\/li>\n\n\n\n
          • background-position<\/code> \u4e3a center center<\/code>\uff08\u5c45\u4e2d\uff09<\/li>\n\n\n\n
          • background-size<\/code> \u4e3a cover<\/code><\/li>\n\n\n\n
          • background-attachment<\/code> \u4e3a fixed<\/code><\/li>\n<\/ul>\n\n\n\n
            \n\n\n\n
            8. \u6e10\u53d8\u80cc\u666f\uff08Background Gradients\uff09<\/strong><\/h3>\n\n\n\n
            CSS3 \u5f15\u5165\u4e86\u6e10\u53d8\u80cc\u666f\uff0c\u53ef\u4ee5\u901a\u8fc7 linear-gradient<\/code> \u548c radial-gradient<\/code> \u521b\u5efa\u6e10\u53d8\u6548\u679c\uff0c\u800c\u4e0d\u9700\u8981\u4f7f\u7528\u56fe\u7247\u3002<\/p>\n\n\n\n
            \u7ebf\u6027\u6e10\u53d8\uff08linear-gradient<\/code>\uff09\uff1a<\/h4>\n\n\n\n
            div {\n    background: linear-gradient(to right, red, yellow); \/* \u4ece\u5de6\u5230\u53f3\u7684\u7ea2\u9ec4\u6e10\u53d8 *\/\n}<\/code><\/pre>\n\n\n\n
            \u5f84\u5411\u6e10\u53d8\uff08radial-gradient<\/code>\uff09\uff1a<\/h4>\n\n\n\n
            div {\n    background: radial-gradient(circle, red, yellow); \/* \u4ece\u4e2d\u5fc3\u5411\u5916\u7684\u7ea2\u9ec4\u6e10\u53d8 *\/\n}<\/code><\/pre>\n\n\n\n
            \u4f60\u53ef\u4ee5\u901a\u8fc7\u6e10\u53d8\u8272\u8c03\u6765\u521b\u5efa\u591a\u79cd\u8272\u5f69\u8fc7\u6e21\u6548\u679c\u3002<\/p>\n\n\n\n
            \n\n\n\n
            \u603b\u7ed3<\/h3>\n\n\n\n
            CSS3 \u80cc\u666f\u76f8\u5173\u7684\u5c5e\u6027\u4f7f\u5f97\u7f51\u9875\u8bbe\u8ba1\u53d8\u5f97\u66f4\u52a0\u7075\u6d3b\u548c\u4e30\u5bcc\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7 background-color<\/code><\/strong> \u8bbe\u7f6e\u989c\u8272\uff0c\u901a\u8fc7 background-image<\/code><\/strong> \u8bbe\u7f6e\u80cc\u666f\u56fe\u50cf\uff0c\u4f7f\u7528 background-size<\/code><\/strong> \u548c background-position<\/code><\/strong> \u7cbe\u786e\u63a7\u5236\u56fe\u50cf\u7684\u5c3a\u5bf8\u548c\u4f4d\u7f6e\uff0c\u540c\u65f6\u901a\u8fc7 background-attachment<\/code><\/strong> \u63a7\u5236\u80cc\u666f\u7684\u6eda\u52a8\u6548\u679c\u3002\u6b64\u5916\uff0c\u6e10\u53d8\u80cc\u666f\u4e5f\u4e3a\u8bbe\u8ba1\u5e08\u63d0\u4f9b\u4e86\u66f4\u5177\u521b\u610f\u7684\u9009\u62e9\u3002<\/p>\n\n\n\n
            \u638c\u63e1\u8fd9\u4e9b\u80cc\u666f\u5c5e\u6027\uff0c\u53ef\u4ee5\u5927\u5927\u63d0\u5347\u4f60\u5728\u7f51\u9875\u8bbe\u8ba1\u4e2d\u7684\u8868\u73b0\u529b\u3002\u4f60\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u8bbe\u8ba1\u9700\u6c42\uff0c\u7ed3\u5408\u4f7f\u7528\u8fd9\u4e9b\u5c5e\u6027\uff0c\u521b\u9020\u51fa\u4e30\u5bcc\u7684\u89c6\u89c9\u6548\u679c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
            CSS3 \u80cc\u666f\u662f\u7f51\u9875\u8bbe\u8ba1\u4e2d\u975e\u5e38\u91cd\u8981\u7684\u90e8\u5206\uff0cCSS3 \u4e3a\u80cc\u666f\u6548\u679c\u63d0\u4f9b\u4e86\u5f88\u591a\u65b0\u7279\u6027\uff0c\u4f7f\u5f97\u7f51\u9875\u7684\u89c6\u89c9\u6548\u679c\u66f4\u52a0\u4e30\u5bcc\u591a\u5f69 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[55],"tags":[],"class_list":["post-1824","post","type-post","status-publish","format-standard","hentry","category-css"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1824","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=1824"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1824\/revisions"}],"predecessor-version":[{"id":1825,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1824\/revisions\/1825"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=1824"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=1824"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=1824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}