To make the virtual keyboard responsive and fit all screen sizes (desktop, tablet, mobile), we can use:

• flex-wrap and max-width to handle row overflow

• relative sizing (like em, %, or vw)

• media queries to fine-tune scaling on smaller screens

  Sure! Here's a full HTML file with the mobile-optimized keyboard layout, including:

• Stylish, wood-textured background
• Preview box for typed text
• Voice toggle button (uses Web Speech API)
• Responsive, mobile-friendly button sizes