CSS Grid & Flexbox Visual Builder

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Flexbox Alignment Logic

This tool outputs vanilla CSS Flexible Box Layout module code. Flexbox handles one-dimensional page layouts, distributing spacing along either a horizontal row or a vertical column.

Key Terms:

  • Justify-Content: Controls spacing alignments along the main axis (determined by flex-direction).
  • Align-Items: Controls alignments along the cross axis (perpendicular to the main axis).
  • Gap: Establishes gutters directly between elements without requiring manual margin overrides.

Using flex-wrap: wrap allows elements that exceed the container's physical dimensions to safely wrap down to subsequent lines rather than breaking layouts.