Element block pseudo-class :active generated with border-radius transition opacity 1 text-shadow 0px 1px 0px rgb(204,204,204) display block height auto font-size 72px overflow visible transform outline none line-height normal font-weight normal border 0px rgba(0,0,0,1) solid background box-shadow width auto margin 0px padding 0px box-sizing content-box position static z-index auto float none cursor pointer