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