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