th[role=columnheader]:not(.no-sort) {
	cursor: pointer;
    position: relative;
    padding-right: 14px;
}

th[role=columnheader]:not(.no-sort):after {
	content: '';
	float: right;
	border-width: 0 4px 4px;
	border-style: solid;
	border-color: #fff transparent;
	visibility: hidden;
	opacity: 0;
	-ms-user-select: none;
	-webkit-user-select: none;
	-moz-user-select: none;
	user-select: none;
    position: absolute;
    right: 3px;
    top: 45%;
}

th[aria-sort=ascending]:not(.no-sort):after {
	border-bottom: none;
	border-width: 4px 4px 0;
}

th[aria-sort]:not(.no-sort):after {
	visibility: visible;
	opacity: 0.4;
}

th[role=columnheader]:not(.no-sort):focus:after,
th[role=columnheader]:not(.no-sort):hover:after {
	visibility: visible;
	opacity: 1;
}

th.no-sort {
  pointer-events: none;
  cursor: default;
}