.btn-submit:hover transform: scale(1.05);
<!-- 图片画廊 --> <main class="container"> <div class="gallery-grid"> <!-- 图片项 1 --> <div class="gallery-item"> <img src="https://via.placeholder.com/400x300" alt="Campus Event"> <div class="overlay"> <span class="title">Campus Event 2023</span> </div> </div> <!-- 图片项 2 --> <div class="gallery-item"> <img src="https://via.placeholder.com/400x300" alt="Graduation"> <div class="overlay"> <span class="title">Graduation Ceremony</span> </div> </div> <!-- 图片项 3 --> <div class="gallery-item"> <img src="https://via.placeholder.com/400x300" alt="Library"> <div class="overlay"> <span class="title">Library Study</span> </div> </div> <!-- 图片项 4 --> <div class="gallery-item"> <img src="https://via.placeholder.com/400x300" alt="Sports"> <div class="overlay"> <span class="title">Sports Day</span> </div> </div> <!-- 图片项 5 --> <div class="gallery-item"> <img src="https://via.placeholder.com/400x300" alt="Lab"> <div class="overlay"> <span class="title">Research Lab</span> </div> </div> <!-- 图片项 6 --> <div class="gallery-item"> <img src="https://via.placeholder.com/400x300" alt="Dorms"> <div class="overlay"> <span class="title">Student Life</span> </div> </div> </div> </main> www.uophotos.com code