You can use svg.
<svg viewPort="0 0 12 12" version="1.1"_x000D_
xmlns="http://www.w3.org/2000/svg">_x000D_
<line x1="1" y1="11" _x000D_
x2="11" y2="1" _x000D_
stroke="black" _x000D_
stroke-width="2"/>_x000D_
<line x1="1" y1="1" _x000D_
x2="11" y2="11" _x000D_
stroke="black" _x000D_
stroke-width="2"/>_x000D_
</svg>
_x000D_