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