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