Flex Expand on Hover Effect using HTML, CSS & JavaScript

This elegant Flex Expand on Hover effect enhances your layout with interactive panels that smoothly grow when hovered. Built using HTML, CSS (Flexbox), and JavaScript, it adds a modern, dynamic feel to websites like portfolios, image galleries, and feature sections.

🧰 Technologies Used:

• HTML5 – Structure and panel markup

• CSS3 – Flexbox layout, transitions, and hover animations

• JavaScript – Optional event handling for dynamic behavior or enhancements

🎯 Features:

• Flexbox-based horizontal or vertical layout

• Panels expand smoothly on hover

• Responsive design for all screen sizes

• Easy to customize with images, text, or icons

• Pure CSS implementation with optional JavaScript for advanced interactions

🖱️ How to Use the Flex Expand on Hover Effect

1. Hover your mouse over any panel.

2. The hovered panel expands in size while others shrink.

3. Move your cursor to switch focus — animations are fluid and responsive.

4. Works with text, background images, or icons inside panels.

💡 Tip: Great for portfolios, team member sections, or product displays.

🧠 Learning Highlights:

• Using Flexbox flex: 1 and flex-grow

• Smooth transitions with transition and transform

• Managing interactive UI with hover states

• Optional JS event listeners to enhance interaction

🛠 Customization Ideas:

• Use images as background for panels

• Add titles or captions inside each panel

• Apply dark mode or theme colors

• Trigger expansion with JavaScript clicks or touch gestures