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