Element block pseudo-class :active generated with width 50% transform float none border 0px rgba(0,0,0,1) solid text-shadow 1px 1px 1px rgba(0,0,0,0.2) z-index auto background line-height 1 padding 20px border-radius transition font-size 16px box-sizing content-box cursor default font-weight normal display block box-shadow 1px 1px 1px rgba(0,0,0,0.3) height 50% overflow hidden position static margin 0px