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