The rectangle can be displayed using the
rect element.
Fill color can be set using the stroke attribute.
The width of the line is set using the stroke-width.
OutputSource
<
svg width="100"
height="100" xmlns="
http://www.w3.org/2000/svg" >
<
rect x="10"
y="10"
width="80"
height="40"
fill="none"
stroke="blue"
stroke-width="1"/>
</
svg>