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