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