Untitled

/*斜线样式*/

.bias.active{
	position:relative;
	text-align: center;
}
.bias.active::after{
	position: absolute;
	top: 50%;
	left: 0;
	right: 0;
	z-index: -1;
	margin: auto;
  content: '';
  width: 4.25rem;
  height: 1px;
  background: #333;
  transform: rotate(-45deg);
}
.bias.active .txt{
	background:#ebebed;
}<!-- content to be placed inside <body>…</body> -->