标签：before media bubuko bottom border boot tle nes element
from: https://freefrontend.com/css-timelines/
css:
.demo{ background: #25303b;
padding: 100px 0;}
.heading-title
{
margin-bottom: 100px;
color: #fff;
}
.main-timeline{
width: 80%;
margin: 20px auto;
position: relative;
}
.main-timeline:before{
content: "";
display: block;
width: 2px;
height: 100%;
background: rgba(255,255,255,0.2);
margin: 0 0 0 -1px;
position: absolute;
top: 0;
left: 50%;
}
.main-timeline .timeline{
width: 100%;
margin-bottom: 20px;
position: relative;
}
.main-timeline .timeline:after{
content: "";
display: block;
clear: both;
}
.main-timeline .timeline-content{
width: 40%;
float: left;
margin: 5px 0 0 0;
border-radius: 6px;
}
.main-timeline .date{
display: block;
width: 70px;
height: 70px;
border-radius: 50%;
background: #25303b;
padding: 5px 0;
margin: 0 0 0 -36px;
position: absolute;
top: 0;
left: 50%;
font-size: 12px;
font-weight: 900;
text-transform: uppercase;
color: rgba(255,255,255,0.5);
border: 2px solid rgba(255,255,255,0.2);
box-shadow: 0 0 0 7px #25303b;
}
.main-timeline .date span{
display: block;
text-align: center;
}
.main-timeline .day,
.main-timeline .year{
font-size: 10px;
}
.main-timeline .month{
font-size: 18px;
}
.main-timeline .title{
padding: 15px;
margin: 0;
font-size: 20px;
color: #fff;
text-transform: uppercase;
letter-spacing: -1px;
border-radius: 6px 6px 0 0;
position: relative;
}
.main-timeline .title:after{
content: "";
width: 10px;
height: 10px;
position: absolute;
top: 20px;
right: -5px;
transform: rotate(-45deg);
}
.main-timeline .description{
padding: 15px;
margin: 0;
font-size: 14px;
color: #656565;
background: #fff;
border-radius: 0 0 6px 6px;
}
.main-timeline .timeline:nth-child(2n+2) .timeline-content{
float: right;
}
.main-timeline .timeline:nth-child(2n+2) .title:after{
left: -5px;
}
/*有多少条要设置其量*/
.main-timeline .timeline:nth-child(1) .title,
.main-timeline .timeline:nth-child(1) .title:after{
background: #9f84c4;
}
.main-timeline .timeline:nth-child(2) .title,
.main-timeline .timeline:nth-child(2) .title:after{
background: #02a2dd;
}
.main-timeline .timeline:nth-child(3) .title,
.main-timeline .timeline:nth-child(3) .title:after{
background: #58b25e;
}
.main-timeline .timeline:nth-child(4) .title,
.main-timeline .timeline:nth-child(4) .title:after{
background: #efb715;
}
.main-timeline .timeline:nth-child(5) .title,
.main-timeline .timeline:nth-child(5) .title:after{
background: #ffe218;
}
.main-timeline .timeline:nth-child(6) .title,
.main-timeline .timeline:nth-child(6) .title:after{
background: #eab788;
}
@media only screen and (max-width: 990px){
.main-timeline{ width: 100%; }
}
@media only screen and (max-width: 767px){
.main-timeline:before,
.main-timeline .date{
left: 6%;
}
.main-timeline .timeline-content{
width: 85%;
float: right;
}
.main-timeline .title:after{
left: -5px;
}
}
@media only screen and (max-width: 480px){
.main-timeline:before,
.main-timeline .date{
left: 12%;
}
.main-timeline .timeline-content{
width: 75%;
}
.main-timeline .date{
width: 60px;
height: 60px;
margin-left: -30px;
}
.main-timeline .month{
font-size: 14px;
}
}@charset "utf-8";
/* CSS Document */
html5:
<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width,initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<!-- Optional theme -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap-theme.min.css" integrity="sha384-rHyoN1iRsVXV4nD0JutlnGaslCJuC7uwjduW9SVrLvRYooPp2bWYgmgJQIXwl/Sp" crossorigin="anonymous">
<link rel="stylesheet" href="style/style.css">
<title>Timeline Style</title>
</head>
<body>
<div class="demo">
<div class="container">
<div class="row text-center">
<h1 class="heading-title">Timeline Style</h1>
</div>
<div class="row">
<div class="col-md-12">
<div class="main-timeline">
<div class="timeline">
<div class="timeline-content">
<span class="date">
<span class="day">10<sup>th</sup></span>
<span class="month">Apr</span>
<span class="year">2017</span>
</span>
<h2 class="title">Web Design</h2>
<p class="description">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla dapibus, quam non pellentesque consequat, massa justo elementum nunc, ac efficitur tortor nunc sit amet dolor.</p>
</div>
</div>
<div class="timeline">
<div class="timeline-content">
<span class="date">
<span class="day">12<sup>th</sup></span>
<span class="month">Apr</span>
<span class="year">2017</span>
</span>
<h2 class="title">Web Development</h2>
<p class="description">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla dapibus, quam non pellentesque consequat, massa justo elementum nunc, ac efficitur tortor nunc sit amet dolor.</p>
</div>
</div>
<div class="timeline">
<div class="timeline-content">
<span class="date">
<span class="day">14<sup>th</sup></span>
<span class="month">Apr</span>
<span class="year">2017</span>
</span>
<h2 class="title">Brand Building</h2>
<p class="description">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla dapibus, quam non pellentesque consequat, massa justo elementum nunc, ac efficitur tortor nunc sit amet dolor.</p>
</div>
</div>
<div class="timeline">
<div class="timeline-content">
<span class="date">
<span class="day">16<sup>th</sup></span>
<span class="month">Apr</span>
<span class="year">2017</span>
</span>
<h2 class="title">Responsive Design</h2>
<p class="description">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla dapibus, quam non pellentesque consequat, massa justo elementum nunc, ac efficitur tortor nunc sit amet dolor.</p>
</div>
</div>
<div class="timeline">
<div class="timeline-content">
<span class="date">
<span class="day">28<sup>th</sup></span>
<span class="month">Aug</span>
<span class="year">2017</span>
</span>
<h2 class="title">中国人民解放军</h2>
<p class="description">生中朝右发的凯撒奖地板革最悲歌罗东进榴莲味觉得撒开了房间.</p>
</div>
</div>
<div class="timeline">
<div class="timeline-content">
<span class="date">
<span class="day">26<sup>th</sup></span>
<span class="month">Jun</span>
<span class="year">2018</span>
</span>
<h2 class="title">深圳市罗湖区布心路3008号</h2>
<p class="description">涂聚文，昵称：Geovin Du.繁體：塗聚文，生命在于运动。营养膳食养生。</p>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</body>
</html>
效果：
标签：before media bubuko bottom border boot tle nes element
原文地址：https://www.cnblogs.com/geovindu/p/10287986.html
