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