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