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