Element block pseudo-class :active generated with border-radius height auto margin 0px float none box-sizing content-box border 3px rgba(0,0,0,1) solid line-height 1 overflow hidden transition z-index auto transform width 160px display block position static font-weight normal cursor default box-shadow 1px 1px 1px rgba(0,0,0,0.3) background text-shadow 1px 1px 1px rgba(0,0,0,0.2) padding 20px font-size 16px