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