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