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