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