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