Box Model Visualizer

Interactive CSS box model tool. Visually adjust margin, border, padding, and content. See real-time CSS output and copy code. Perfect for learning CSS layout.

0uses
0/10(0)
margin2020
1616padding
200 x 100
Total: 278px x 178px

Options

Margin

top20
right20
bottom20
left20

Border

top3
right3
bottom3
left3

Padding

top16
right16
bottom16
left16

Content

Width200
Height100

CSS Code

box-sizing: content-box;
width: 200px;
height: 100px;
margin: 20px 20px 20px 20px;
border: 3px solid #3B82F6;
padding: 16px 16px 16px 16px;

How to Use the Box Model Visualizer

  1. Adjust margin, border, padding, and content values with sliders.
  2. Toggle linked mode to change all sides at once.
  3. Choose border style and color.
  4. View and copy the generated CSS code.

Features

  • Visual box model with labeled layers
  • Independent or linked side controls
  • Border style and color customization
  • Box-sizing toggle (content-box / border-box)
  • Real-time CSS code generation
  • One-click copy to clipboard
  • 100% client-side, fully private

Disclaimer:This tool is provided “as is” for informational and educational purposes only. Results may not be 100% accurate. ToolBird makes no warranties, express or implied, regarding the accuracy, reliability, or completeness of any output generated by this tool. This tool does not constitute professional, legal, financial, medical, or tax advice. Always consult a qualified professional for important decisions. By using this tool, you agree that ToolBird and its operators shall not be held liable for any damages, losses, or consequences arising from the use of this tool or reliance on its results. All processing occurs in your browser — we do not store, transmit, or access your data. Use at your own risk.