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