.featured-box{position:relative;}
.featured-box:before{
    content:"";
    position:absolute;
    width: 0;
    height: 0;
    bottom:0;
    right:0;
    border-bottom:65px solid #c7d3da;
    border-left:80px solid transparent;
    z-index:1;
}
.featured-box:hover:before{
    border-bottom-color:#4715ad;
}
.featured-box:hover a span{color:#4816af!important;}