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