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