#5 Bootstrap Images | how to create responsive image gallery in bootstrap
У вашего броузера проблема в совместимости с HTML5
Learn how to create responsive images and videos with Bootstrap
as well as image gallery, circular or rounded corners images, grids of thumbnails and much more.
Images in Bootstrap are made responsive with .img-fluid.
max-width: 100%; and height: auto; are applied to the image so that it scales with the parent element.
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