.portfolio-items .card.icon-item{min-height:150px}
.portfolio-items .card.icon-item > .centered-content{position:absolute;top:0;left:0;width:100%;height:100%;vertical-align:middle}
.portfolio-items .card.icon-item > .centered-content > .content{display:table;width:100%;height:100%}
.portfolio-items .card.icon-item > .centered-content > .content > .center{display:table-cell;vertical-align:middle}