.variation-btns {

}

.variation-btns button {
	background: #fff;
	padding: 5px 10px;
	border: 1px solid rgba(0, 0, 0, 0.5);
	cursor: pointer;
	margin-left: 10px;
	box-sizing: border-box;
	margin-bottom: 10px;
	position: relative;
	overflow: hidden;
}

.variation-btns .selected-variant {
	border: 2px solid #e7423a;
	opacity: 1;
} 

.variation-without-stock {
	opacity: 0.5;
}

.variation-without-stock::after {
  	content: '';
  	width: 141%;
  	height: 2px;
  	background: rgba(0, 0, 0, 0.5);
	/*transform: rotate(-45deg);*/
	transform: rotate(-25deg);
	transform-origin: top left;
  	display: block;
  	position: absolute;
  	bottom: 0;
  	left: 0;
}

.variation-without-stock.selected-variant::after {
  	background: #e7423a;
}