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