<div class="flip">
<div class="flip_doble">
<div class="flip_bg"></div>
<a class="flip_arrow" href="#">00</a>
</div>
</div>
.flip_doble{
padding: 10px 15px;
background-color: #e8ebf1;
}
.flip_arrow{
color:transparent;
content: '';
display: block;
width: 6px;
height: 6px;
border-top: 2px solid #000000;
border-right: 2px solid #000000;
transform: rotate(45deg);
}