矩形<rect>

<rect> 标签可用来创建矩形

<svg xmlns="http://www.w3.org/2000/svg" version="1.1">
<rect width="300" height="100" x="50" y="20" rx="20" ry="20" style="fill:rgb(0,0,255);stroke-width:1;stroke:rgb(0,0,0);fill-opacity:0.9;stroke-opacity:0.5;opacity:0.5”/>
</svg>