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