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