div+css实现自适应响应式目录大纲排列效果代码-html代码-BFW代码库

代码语言：html

所属分类：响应式

代码描述：div+css实现自适应响应式目录大纲排列效果代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <link type="text/css" rel="stylesheet" href="//repo.bfw.wiki/bfwrepo/css/font-awesome-4.7.0/css/font-awesome.min.css">




    <style>
        body {
          background: #fff;
          font-family: "Nunito", sans-serif;
          line-height: 1.4;
          padding: 3em 2em;
        }
        
        h1 {
          font-weight: 800;
          font-size: 40px;
          text-transform: uppercase;
        }
        
        .item {
          margin: 1em 0;
        }
        .item__number {
          display: inline-block;
          padding: 15px;
          font-size: 34px;
          font-weight: 700;
          width: 45px;
          height: 45px;
          color: #fff;
          border-radius: 50%;
          margin-right: 10px;
          text-align: center;
          z-index: 2;
        }
        .item__topic {
          padding-left: 80px;
          position: relative;
        }
        .item__topic:before {
          content: "";
          position: absolute;
          width: 5px;
          height: calc(100% + 1em);
          top: 0;
          left: 35px;
        }
        .item__topic__title {
          font-weight: 700;
          font-size: 24px;
        }
        .item__topic__author {
          font-size: 18px;
          color: #999;
        }
        
        @media (min-width: 768px) {
          main {
            display: grid;
            max-width: 100%;
            min-height: 150vh;
            padding-bottom: 5em;
            grid-template-columns: repeat(4, 1fr);
            grid-template-rows: min-content minmax(100px, 0.8fr) repeat(2, 125px) 320px repeat(2, 125px);
          }
        
          h1 {
            font-size: 50px;
            grid-column: 1/-1;
          }
        
          .item {
            margin: 0;
          }
          .item:nth-of-type(1) {
            grid-column: 1;
            grid-row: 3;
          }
          .item:nth-of-type(2) {
            grid-column: 2;
            grid-row: 4;
          }
          .item:nth-of-type(3) {
            grid-column: 3;
            grid-row: 3;
          }
          .item:nth-of-type(4) {
            grid-column: 4;
            grid-row: 4;
          }
          .item:nth-of-type(5) {
            grid-column: 1;
            grid-row: 6;
          }
          .item:nth-of-type(5) .item__topic {
            width: 180%;
          }
          .item:nth-of-type(6) {
            grid-column: 2;
            grid-row: 7;
            margin-left: 30%;
          }
          .item:nth-of-type(6) .item__topic {
            width: 200%;
          }
          .item:nth-of-type(7) {
            grid-column: 3;
            grid-row: 6;
            margin-left: 30%;
          }
        
          .item {
            position: relative;
            text-align: center;
          }
          .item__number {
            font-size: 56px;
            line-height: 1.8;
            width: 95px;
            height: 95px;
            margin: auto;
          }
          .item__topic {
            position: absolute;
            text-align: left;
            width: 130%;
            left: 50%;
            margin-left: -35px;
            padding-left: 60px;
          }
          .item__topic__title {
            margin-bottom: 8px;
          }
          .item--top .item__topic {
            bottom: calc(100% + 1em);
          }
          .item--bottom .item__topic {
            top: 100%;
            padding-top: 10px;
          }
          .item--left .item__topic {
            text-align: right;
            right: 50%;
            left: auto;
            padding-right: 25px;
            width: 140%;
          }
          .item--left .item__topic:before {
            left: auto;
            right: 0;
          }
        }
        @media (min-width: 1240px) {
          main {
            display: grid;
            margin: auto;
            max-width: 1150px;
            min-height: 120vh;
            grid-template-columns: repeat(4, 125px) 20px repeat(3, 125px) 1fr;
            grid-template-rows: min-content 25% repeat(2, min-content);
            grid-gap: 10px;
          }
        
          .item:nth-of-type(1) {
            grid-column: 1;
            grid-row: 3;
          }
          .item:nth-of-type(1) .item__topic {
            padding-bottom: 5em;
          }
          .item:nth-of-type(2) {
            grid-column: 2;
            grid-row: 4;
          }
          .item:nth-of-type(2) .item__topic {
            padding-top: 6em;
          }
          .item:nth-of-type(3) {
            grid-column: 3;
            grid-row: 3;
          }
          .item:nth-of-type(3) .item__topic {
            padding-bottom: 11em;
          }
          .item:nth-of-type(4) {
            grid-column: 4;
            grid-row: 4;
            margin-left: 20%;
          }
          .item:nth-of-type(4) .item__topic {
            padding-top: 3em;
            width: 220%;
            margin-right: -16px;
          }
          .item:nth-of-type(5) {
            grid-column: 6;
            grid-row: 3;
          }
          .item:nth-of-type(5) .item__topic {
            padding-bottom: 2em;
          }
          .item:nth-of-type(6) {
            grid-column: 7;
            grid-row: 4;
            margin-left: 15%;
          }
          .item:nth-of-type(6) .item__topic {
            padding-top: 8em;
            left: calc(50% + 7px);
          }
          .item:nth-of-type(7) {
            grid-column: 8;
            grid-row: 3;
          }
          .item:nth-of-type(7) .item__topic {
            padding-bottom: 5em;
            width: 220%;
            left: 70%;
          }
        }
        .item:nth-of-type(1) .item__number {
          background: rgba(216, 27, 96, 0.6);
        }
        .item:nth-of-type(1) .item__topic:before {
          background: rgba(216, 27, 96, 0.6);
        }
        .item:nth-of-type(1) .item__topic__title {
          color: #d81b60;
        }
        .item:nth-of-type(2) .item__number {
          background: rgba(244, 81, 30, 0.6);
        }
        .item:nth-of-type(2) .item__topic:before {
          background: rgba(244, 81, 30, 0.6);
        }
        .item:nth-of-type(2) .item__topic__title {
          color: #f4511e;
        }
        .item:nth-of-type(3) .item__number {
          background: rgba(58, 61, 183, 0.6);
        }
        .item:nth-of-type(3) .item__topic:before {
          background: rgba(58, 61, 183, 0.6);
        }
        .item:nth-of-type(3) .item__topic__title {
          color: #3a3db7;
        }
        .item:nth-of-type(4) .item__number {
          background: rgba(249, 185, 27, 0.6);
        }
        .item:nth-of-type(4) .item__topic:before {
          background: rgba(249, 185, 27, 0.6);
        }
        .item:nth-of-type(4) .item__topic__title {
          color: #f9b91b;
        }
        .item:nth-of-type(5) .item__number {
          background: rgba(62, 62, 62, 0.6);
        }
        .item:nth-of-type(5) .item__topic:before {
          background: rgba(62, 62, 62, 0.6);
        }
        .item:nth-of-type(5) .item__topic__title {
          color: #3e3e3e;
        }
        .item:nth-of-type(6) .item__number {
          backg.........完整代码请登录后点击上方下载按钮下载查看