Element block pseudo-class :active generated with padding 20px box-sizing content-box border-radius border 0px rgba(0,0,0,1) solid line-height 1 display block box-shadow 1px 1px 1px rgba(0,0,0,0.3) height auto overflow hidden position relative background font-weight normal text-shadow 1px 1px 1px rgba(0,0,0,0.2) font-size 16px transition float left cursor default margin 30% width 160px transform z-index auto