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