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