console
<!DOCTYPE html>
<html>
<haed><title></title></haed>
<body>
<svg width="500px" height="500px" ViewBox="0 0 100 100">
<path d="M0,0 L100,0 L100,100 L0,100 L0,0 " stroke="black" stroke-width="2" fill="none"/>
<path d="M0,10 L100,10 M0,20 L100,20 M0,30 L100,30 M0,40 L100,40 M0,50 L100,50 M0,60 L100,60 M0,70 L100,70 M0,80 L100,80 M0,90 L100,90M0,30 L100,30 "stroke="black" stroke-width="0.5"/>
<path d="M10,0 V100 M20,0 V100 M30,0 V100 M40,0 V100 M50,0 V100 M60,0 V100 M70,0 V100 M80,0 V100 M90,0 V100" stroke="black" stroke-width="0.5" />
<!-- <path d="M20,20 H40 V10 L60,30 L40,50 V40 H20 V20" stroke="red" stroke-width="1" fill="red"stroke="black" stroke-width="0.5"/>
<path d="M20，70 l=20,-20" stroke="black" stroke-width="0.5"/> -->
<rect width="80" height="80" fill="white" x="10" y="10"stroke="red" stroke-width="2"rx="5"ry="5"/ >
<path d="M10,10 h60 v60" stroke="black" stroke-width="1"/>
</svg>
</body>
</html>