.sort-up {transform: rotate(-135deg);
    -webkit-transform: rotate(-135deg);}

.sort-up.sort-down {transform: rotate(45deg);
    -webkit-transform: rotate(45deg);}

a.sort {
    font-weight: 500;
    color: #fff;
    text-decoration: underline;
}

a.sort i {
    border: solid #fff;
    border-width: 0 3px 3px 0;
    display: inline-block;
    padding: 3px;
    margin: 0 0 0 .45rem;
}