css实现自适应响应式时间线时间轴效果代码-html代码-BFW代码库

代码语言：html

所属分类：响应式

代码描述：css实现自适应响应式时间线时间轴效果代码

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 href="https://fonts.googleapis.com/css?family=Nunito:400,700,800" rel="stylesheet">

    <link type="text/css" rel="stylesheet" href="//repo.bfw.wiki/bfwrepo/css/simple-line-icons.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 {
      background: rgba(103, 58, 101, 0.6);
    }
    .item:nth-of-type(6) .item__topic:before {
      background: rgba(103, 58, 101, 0.6);
    }
    .item:nth-of-type(6) .item__topic__title {
      color: #673a65;
    }
    .item:nth-.........完整代码请登录后点击上方下载按钮下载查看