dify/web/app/components/workflow/header.tsx

const Header = () => {
  return (
    <div
      className='absolute top-0 left-0 w-full h-14 z-10'
      style={{
        background: 'linear-gradient(180deg, #F9FAFB 0%, rgba(249, 250, 251, 0.00) 100%)',
      }}
    >

    </div>
  )
}

export default Header