Element block pseudo-class :active generated with border-radius box-shadow 1px 1px 1px rgba(0,0,0,0.3) border 0px rgba(0,0,0,1) solid float none position static overflow hidden line-height 1 text-shadow 4px 4px 6px rgba(0,0,0,0.5) margin 0px display block font-size 16px height auto background cursor default width 160px font-weight normal transition padding 20px z-index auto transform box-sizing content-box