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