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