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