This example shows a simple bar chart with four bars of varying heights, rendered directly as SVG rectangles using HTML markup. Each bar is drawn with hard-coded x, y, width, and height attributes, without any JavaScript or data-binding library. The y-coordinate for each rectangle starts from the top of the 960×500 viewport, meaning taller bars extend downward. The visualization relies solely on inline SVG elements within the HTML file, with a minimal CSS reset to remove page margins and hide overflow.