纯css3创建纵向时间轴特效气泡彩色时间轴代码

相关css3代码
	content: "";
		width: 7px;
		height: 100%;
		background: #909090;
		position: absolute;
		top: 0;
		left: 50%;
		transform: translateX(-50%);
	}
	.main-timeline .timeline{
		width: 50%;
		padding-left: 50px;
		float: right;
		position: relative;
	}
	.main-timeline .timeline:before{
		content: "";
		width: 30px;
		height: 30px;
		border-radius: 50%;
		background: #909090;
		border: 7px solid #fff;
		position: absolute;
		top: 50%;
		left: -15px;
		transform: translateY(-50%);
	}
	.main-timeline .timeline:after{
		content: "";
		display: block;
		border-right: 30px solid #ee4423;
		border-top: 20px solid transparent;
		border-bottom: 20px solid transparent;
		position: absolute;
		top: 50%;
		left: 24px;
		transform: translateY(-50%);
	}
	.main-timeline .timeline-content{
		display: block;
		padding: 25px;
		border-radius: 100px;
		background: #ee4423;
		position: relative;
	}
	.main-timeline .timeline-content:before,
	.main-timeline .timeline-content:after{
		content: "";
		display: block;
		width: 100%;
		clear: both;
	}
	.main-timeline .timeline-content:hover{ text-decoration: none; }
	.main-timeline .inner-content{
		width: 70%;
		float: right;
		padding: 15px 20px 15px 15px;
		background: #fff;
		border-radius: 0 100px 100px 0;
		color: #ee4423;
	}
	.main-timeline .year{
		display: inline-block;
		font-size: 50px;
		font-weight: 600;
		color: #fff;
		position: absolute;
		top: 50%;
		left: 7%;
		transform: translateY(-50%);
	}
	.main-timeline .title{
		font-size: 24px;
		font-weight: 600;
		text-transform: uppercase;
		margin: 0 0 5px 0;
	}
	.main-timeline .description{
		font-size: 14px;
		margin: 0 0 5px 0;
	}
	.main-timeline .timeline:nth-child(2n){ padding: 0 50px 0 0; }
	.main-timeline .timeline:nth-child(2n):before,
	.main-timeline .timeline:nth-child(2n) .year{
		left: auto;
		right: -15px;
	}
	.main-timeline .timeline:nth-child(2n) .year{ right: 7%; }
	.main-timeline .timeline:nth-child(2n):after{
		border-right: none;
		border-left: 30px solid #ee4423;
		left: auto;
		right: 24px;
	}
	.main-timeline .timeline:nth-child(2n) .inner-content{
		float: none;
		border-radius: 100px 0 0 100px;
		text-align: right;
	}