What Does This Code Dop Pre Langcss Cssfilehk1stylecode Media #443

What does this code do? <pre><code class="language-css">Code: @media only screen and (max-width: 768px) { class*="col-"] { width: 100%; } }</code></pre>

This multiple choice question (MCQ) is related to the book/course gs gs105 CSS (Cascading Style Sheets). It can also be found in gs gs105 CSS3 Fundamentals, Transitions & Animations - CSS3 Animation with Responsive Web Design - Quiz No.1.

Code: @media only screen and (max-width: 768px) { class*="col-"] { width: 100%; } }