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