section{
	width: calc(100%-200px);
	height: 1341px;
	background: #F5F5F5;
	margin: 0 auto;
	margin-top: 80px;
}
.module{
	width: 33.3%;
	height: 20%;
	/* background: red; */
	float: left;
	position: relative;
}
.module img{
	width: 100%;
	height: 100%;
}
.black{
	position: absolute;
	position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    margin: 20px;
    background-color: rgba(0, 0, 0, 0.3);
    opacity: 0;
    transition: 0.3s;
}
.box{
	position: absolute;
    width: 100%;
    height: 20px;
    left: 0;
    top: 60%;
    color: #fff;
    opacity: 0;
    z-index: 9;
    text-align: center;
    transition: 0.3s;
}
.module:hover .black{
	opacity: 1;
}
.module:hover .box{
	opacity: 1;
	top: 50%;
}