ToolBoxy
🎨

CSS Box Model Visualizer

css · box-model · layout

All:

Top

Right

Bottom

Left

All:

Top

Right

Bottom

Left

All:

Top

Right

Bottom

Left

margin
content
Total W: 284px
Total H: 120px
Content W: 200px
Content H: 60px
.element {
  width: 200px;
  height: 60px;
  box-sizing: content-box;
  margin: 16px 24px 16px 24px;
  border: 2px solid #6366f1;
  padding: 12px 16px 12px 16px;
}

How to use

  1. 1

    Set width, height and box-sizing.

  2. 2

    Adjust margin, border and padding.

  3. 3

    Copy the generated CSS.

FAQ

Is this tool free?

Yes — no sign-up, no installation, completely free to use right away.

What is this tool?

Visualize and configure CSS box model (margin, border, padding, content). Supports content-box and border-box. Copy the generated CSS. You can use it for free with no sign-up or installation — just open the page and start right away.