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