/* === Override heading decoration globally === */ h1, h2, h3, h4, h5, h6 { text-decoration: none !important; background-image: none !important; box-shadow: none !important; } /* kill pseudo-element lines, force override */ h1::before, h1::after, h2::before, h2::after, h3::before, h3::after, h4::before, h4::after, h5::before, h5::after, h6::before, h6::after { content: none !important; background: none !important; border: 0 !important; box-shadow: none !important; display: none !important; /* 🔑 extra safeguard */ }