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

.dia-line{
height:16px;
background-image:
linear-gradient(45deg,#fbd 25%,transparent 25%,transparent 75%,#fbd 75%),
linear-gradient(-45deg,#fbd 25%,#f7b 25%, #f7b 75%,#fbd 75%);
background-size:16px 16px;
margin:5px 0px;
}