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