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