.sortable-th{cursor:pointer;-webkit-user-select:none;user-select:none;transition:color .15s}.sortable-th:hover{color:#ffffffd9}.sort-icon{vertical-align:middle;margin-left:.15em;font-size:.6em;display:inline-block}.sort-icon.idle{opacity:.3;transition:opacity .15s}.sortable-th:hover .sort-icon.idle{opacity:.6}.sort-icon.active{opacity:.9}