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