Element block pseudo-class :active generated with padding 20px width 160px display block background box-shadow 1px 1px 1px rgba(0,0,0,0.3) transform position relative font-weight normal z-index auto cursor default font-size 50px border 0px rgba(0,0,0,1) solid box-sizing content-box border-radius transition height auto margin 0px overflow hidden line-height 1 text-shadow 1px 1px 1px rgba(0,0,0,0.2) float none