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