Bootstrap supports images.
.img-thumbnail: Add some padding and a gray border.
If other elements require rounded borders, this can be achieved by setting .border-radius and .border. (Recommended learning: Bootstrap video tutorial)
Example:
<!DOCTYPE html> <html> <head> <title>Bootstrap 实例</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.1.0/css/bootstrap.min.css"> <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script> <script src="https://cdn.staticfile.org/popper.js/1.12.5/umd/popper.min.js"></script> <script src="https://cdn.staticfile.org/twitter-bootstrap/4.1.0/js/bootstrap.min.js"></script> </head> <body> <div class="container"> <h2>缩略图</h2> <p>.img-thumbnail 类用于设置图片缩略图(图片有边框):</p> <img src="https://static.runoob.com/images/mix/cinqueterre.jpg" class="img-thumbnail" alt="Cinque Terre"> </div> </body> </html>
For more Bootstrap related technical articles, please visit Learn in the Bootstrap Tutorial column!
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