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