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