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