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