app/assets/svgs/heroicons/micro/underline.svg
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" fill="currentColor" aria-hidden="true" data-slot="icon">
<path fill-rule="evenodd" d="M4.75 2a.75.75 0 0 1 .75.75V7a2.5 2.5 0 0 0 5 0V2.75a.75.75 0 0 1 1.5 0V7a4 4 0 0 1-8 0V2.75A.75.75 0 0 1 4.75 2ZM2 13.25a.75.75 0 0 1 .75-.75h10.5a.75.75 0 0 1 0 1.5H2.75a.75.75 0 0 1-.75-.75Z" clip-rule="evenodd"/>
</svg>