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