Tạo Icon Css

**** HTML
<div class="moduletable"></div>

**** CSS
.moduletable{
     position:relative;
}

.moduletable:before {

    content: "";

    position: absolute;

    width: 0;

    height: 0;

    border-left: 8px solid transparent;

    border-right: 8px solid transparent;

    border-top: 8px solid #fff;

    right: 30px;

    top: 5px;

}