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How can I use media queries to make my layout mobile-friendly?

Asked on Sep 03, 2025

Answer

Media queries are a powerful tool in CSS that allow you to apply styles based on the characteristics of the user's device, such as its width. They are essential for creating responsive, mobile-friendly layouts.
<!-- BEGIN COPY / PASTE -->
    <style>
      /* Default styles for larger screens */
      .container {
        width: 80%;
        margin: auto;
        background-color: lightgray;
      }

      /* Media query for devices with a max width of 600px */
      @media (max-width: 600px) {
        .container {
          width: 100%;
          padding: 10px;
        }
      }
    </style>

    <div class="container">
      <p>This layout adjusts based on screen size.</p>
    </div>
    <!-- END COPY / PASTE -->
Additional Comment:
  • Media queries use the "@media" rule to apply styles conditionally.
  • The "max-width" condition targets devices with a width of 600px or less, typically smartphones.
  • Adjust the styles inside the media query to optimize the layout for smaller screens, such as increasing padding or changing widths.
  • Consider using other conditions like "min-width" or "orientation" for more specific targeting.
✅ Answered with CSS best practices.

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