.clear_all{
    clear: both;
}

div#features{
    position: relative;
}

a.col{
    box-sizing: border-box;
    float: left;
    width: calc(50% - 50px);
    margin: 25px;
    position: relative;
}

a.feature_box{
	min-height: 450px;
	height:100%
}

.feature_box:hover{
	filter: drop-shadow(6px 6px 12px #666);
}