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