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