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