<svg width="24" height="24" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"> <path d="M21 8.5H3V7.5H21V8.5ZM21 12.5H3V11.5H21V12.5ZM3 16.5H21V15.5H3V16.5Z" /> </svg>