1、封面文字，垂直居中，可以两列并排

2、宽border效果

.dashed-box {

1. margin: 80px 0 40px 0;
2. width: 100%;
3. display: inline-block;
4. background-image: linear-gradient(to right, #979797 65%, rgba(255, 255, 255, 0) 20%);
5. background-position: bottom;
6. background-size: 10px 1px;
7. background-repeat: repeat-x;

}