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