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