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