Tile - Brick SVG

<svg height="100" width="100">
<rect height="100" width="100" fill="lightslategray" />
<rect x="0" y="5" height="40" width="60" fill="#b33300" />
<rect x="70" y="5" height="40" width="30" fill="#b33300" />
<rect x="40" y="55" height="40" width="60" fill="#b33300" />
<rect x="0" y="55" height="40" width="30" fill="#b33300" />
</svg>