html
<div class="search_module_hd">
<a href="" class="sort"></a>
<div class="search_con"></div>
<a href="" class="register"></a>
</div>
less
span {
position: absolute;
top: 12px;
left: 30px;
color: #cccccc;
&::after {
content: '';
font-family: 'icomoon';
display: inline-block;
width: (16rem/@base_font);
height: (16rem/@base_font);
}
}