<div class="t-line"></div>

.t-line{
height:20px;
background-size:30px 20px;
background-color:skyblue;
background-image:
linear-gradient(-60deg,rgba(255,255,255,0.5) 10px,#fff 10px,#fff 13px,transparent 0),
linear-gradient(60deg,rgba(255,255,255,0.5) 10px,#fff 10px,#fff 13px,transparent 0);
margin:10px 0;}