Blackboard

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 512 512"
>
    <path fill="#c69c6d" d="M8.9 5h494.2v37.5H8.9z" />
    <path fill="#fff" d="M8.9 5h35.7v37.5H8.9z" opacity=".4" />
    <path d="M467.4 5h35.7v37.5h-35.7z" opacity=".1" />
    <path fill="#bfbfbf" d="M25.4 42.5h461.2v307H25.4z" />
    <path fill="#fff" d="M25.4 42.5h35.7v307H25.4z" opacity=".4" />
    <path d="M450.9 42.5h35.7v307h-35.7z" opacity=".1" />
    <path
        fill="#c69c6d"
        d="M239 349.5h34.1V507H239zM433.5 507 332.2 349.5h-40.5L393 507zM119 507l101.3-157.5h-40.5L78.5 507z"
    />
    <g opacity=".1">
        <path
            d="M239 483.6h34.1V507H239zM378 483.6l15 23.4h40.5l-15-23.4zM93.5 483.6l-15 23.4H119l15-23.4z"
        />
    </g>
    <g opacity=".1">
        <path
            d="M239 349.5h34v27.3h-34zM349.8 376.8l-17.6-27.3h-40.6l17.6 27.3zM202.7 376.8l17.6-27.3h-40.5l-17.6 27.3z"
        />
    </g>
    <g fill="#333">
        <path
            d="M503.1 47.5c2.8 0 5-2.2 5-5V5c0-2.8-2.2-5-5-5H8.9c-2.8 0-5 2.2-5 5v37.5c0 2.8 2.2 5 5 5h11.5v297H8.9c-2.8 0-5 2.2-5 5s2.2 5 5 5h161.8L74.3 504.3c-1 1.5-1.1 3.5-.2 5.1s2.6 2.6 4.4 2.6H119c1.7 0 3.3-.9 4.2-2.3l99.9-155.2H234V507c0 2.8 2.2 5 5 5h34c2.8 0 5-2.2 5-5V354.5h10.9l99.9 155.2c.9 1.4 2.5 2.3 4.2 2.3h40.5c1.8 0 3.5-1 4.4-2.6s.8-3.6-.2-5.1l-96.4-149.8h161.8c2.8 0 5-2.2 5-5s-2.2-5-5-5h-11.5v-297h11.5zM13.9 10h484.2v27.5H13.9V10zm102.3 492H87.6l94.9-147.5h28.6zm151.8 0h-24V354.5h24zm156.4 0h-28.6l-94.9-147.5h28.6zm57.2-157.5H30.4v-297h451.2z"
        />
        <path
            d="M106.9 238.5c.6.3 1.3.4 1.9.4 2 0 3.8-1.1 4.6-3.1l17.3-41.1h45.6l17.3 41.1c1.1 2.5 4 3.7 6.5 2.7 2.5-1.1 3.7-4 2.7-6.5-8.4-20-35-83.3-44.7-106.3-.8-1.9-2.6-3.1-4.6-3.1s-3.8 1.2-4.6 3.1c-9.7 23.2-36.5 86.9-44.7 106.3-1.1 2.5.1 5.4 2.7 6.5zm46.6-98 18.6 44.3h-37.2zM233.3 238.9h23.4c18.5 0 32.8-15.8 31.5-33.9-.7-10.1-6.4-18.9-14.7-24.1 10-6.3 15.5-17.4 14.7-29-1.2-16.4-15.4-29.3-32.5-29.3h-22.4c-5.6 0-10.2 4.6-10.2 10.2v95.9c0 5.7 4.6 10.2 10.2 10.2zm23.3-10h-23.4c-.1 0-.2-.1-.2-.2v-43h22.6c11.8 0 21.7 8.8 22.5 20 .9 12.4-8.8 23.2-21.5 23.2zm-23.5-96.1c0-.1.1-.2.2-.2h22.4c11.8 0 21.7 8.8 22.5 20 .9 12.5-8.9 23.2-21.5 23.2h-23.6zM406.7 221.9c2-2 2-5.1 0-7.1s-5.1-2-7.1 0c-18.8 18.8-49.3 18.8-68.1 0s-18.8-49.3 0-68.1 49.3-18.8 68.1 0c2 2 5.1 2 7.1 0s2-5.1 0-7.1c-22.7-22.7-59.6-22.7-82.2 0-22.7 22.7-22.7 59.6 0 82.2 22.7 22.8 59.5 22.9 82.2.1zM403.2 259.4H108.8c-2.8 0-5 2.2-5 5s2.2 5 5 5h294.4c2.8 0 5-2.2 5-5s-2.3-5-5-5z"
        />
    </g>
</svg>