Nextcloud-release/theme/white/deck.svg

<svg xmlns="http://www.w3.org/2000/svg" height="16" width="16" version="1.1" viewBox="0 0 16 16">
    <g fill="#fff">
        <rect ry="1" height="8" width="14" y="7" x="1"/>
        <rect ry=".5" height="1" width="12" y="5" x="2"/>
        <rect ry=".5" height="1" width="10" y="3" x="3"/>
        <rect ry=".5" height="1" width="8" y="1" x="4"/>
    </g>
</svg>