Layout Box to Painted Result

A small box rule becomes a layout box with content, padding, border, and painted background.

Program

The third diagnostic ladder follows box-model source through layout dimensions and into the final painted result.

layout_box_paint_result.html

<style>
.box { width: 160px; padding: 16px; border: 4px solid #2563eb; background: #dbeafe; }
</style>
<section class="box">Receipt</section>

box model The box model separates content, padding, border, and margin.

painted result Painting uses the computed box to draw background and border pixels.