Element block pseudo-class :active generated with height auto padding 0px overflow visible status box-shadow 0px 0px 9px rgba(0,0,0,0.5) transition font-weight normal text-shadow 1px 1px 0px rgba(0,0,0,1) cursor default background z-index auto outline none opacity 1 border-radius transform float none width auto line-height normal font-size 18px display block margin 0px box-sizing content-box border 2px rgba(0,0,0,1) solid position static