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