.Triangleuser {
    float: left;
    margin-top: 30px;
    margin-left: -10px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 9px 10px 9px 0;
    border-color: transparent #E9E9E9 transparent transparent;
}

border-color: transparent #E9E9E9 transparent transparent;