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