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