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How do HTML classes like col-6 col-md-4 adjust layout across different screen sizes?

Asked on Sep 05, 2025

Answer

HTML classes like "col-6" and "col-md-4" are part of a responsive grid system that adjusts the layout of elements based on screen size. These classes help create flexible and responsive web designs by specifying how much space an element should occupy on different devices.

Example Concept: The "col-6" class makes an element take up half the width of its container on extra small to small screens, while "col-md-4" adjusts it to occupy one-third of the width on medium to larger screens. This is achieved by using a 12-column grid system where the classes define the number of columns an element spans.

Additional Comment:

The grid system is based on a 12-column layout, allowing for flexible design.
Responsive classes like "col-*" are used to define the width of elements at specific breakpoints.
"col-6" means the element spans 6 out of 12 columns, or 50% width.
"col-md-4" means the element spans 4 out of 12 columns, or approximately 33.33% width, on medium screens and larger.
These classes help create layouts that automatically adjust to different screen sizes, enhancing user experience.

✅ Answered with HTML best practices.

Ask any question about HTML here... and get an instant response.

How do HTML classes like col-6 col-md-4 adjust layout across different screen sizes?

Asked on Sep 05, 2025

Answer

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