.md-left-border{position:relative;display:block}.md-left-border:before{position:absolute;content:'';width:40px;height:3px;left:22px;bottom:0;background:#69f}.md-left-border .dotted-box .dotted{position:absolute;width:3px;height:3px;background:#69f}.md-left-border .dotted-box .dotted:first-child{left:16px;bottom:0}.md-left-border .dotted-box .dotted:nth-child(2){left:10px;bottom:0}.md-left-border .dotted-box .dotted:nth-child(3){left:4px;bottom:0}