This example shows basic geometric shapes—circles and rectangles—rendered in a web page through SVG elements, with CSS controlling their styling. A group of shapes uses default black fills, another uses explicit `fill` attributes, and a third demonstrates CSS classes to apply strokes and colors. The visualization also includes lines and a path drawn with stroke styling. The code uses plain SVG markup, CSS selectors, and hypertext markup, with all shapes placed inside an SVG canvas scaled by a factor of 1.5.