.pic-list{
	width: 980px;
}
.pic-list__wrapper .item {
    float: left;
    width: 230px;
    margin: 0px 20px 20px 0;
}
.pic-list__wrapper .img-link {
    overflow: hidden;
    position: relative;
    width: 230px;
    height: 155px;
    border-radius: 4px;
}
.pic-list__wrapper .img-link .mask {
    position: absolute;
    left: 100px;
    top: 50px;
    height: 1%;
    border-left: 2rem solid rgba(255,255,255,0.7);
    border-top: 1.5rem solid transparent;
    border-bottom: 1.5rem solid transparent;
}
.pic-list__wrapper .img-link img {
    width: 100%;
    height: 155px;
}