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