#slider>div[class="loadvisu"]{
	position: absolute;
	top: 20px;
	right: 20px;
	width: 100px;
	height: 3px;
	z-index: 2;
}
#slider>div[class="loadvisu"]>div:nth-child(1){
	position: absolute;
	top: 0px;
	left: 0px;
	width: 100%;
	height: 100%;
	background-color: #fff;
	opacity: .7;
	z-index: 0;
}
#slider>div[class="loadvisu"]>div:nth-child(2){
	position: absolute;
	top: 0px;
	left: 0px;
	width: 0px;
	height: 100%;
	background-color: red;
	z-index: 1;
}