我们需要严格限制上传区域的比例为3:1，上传完成后的预览图宽高均为100%，才能保证用户上传后看到上传的图片是否合乎比例，是否在实际应用时会产生变形或裁剪的问题。那么此时就需要在适应不同宽度的屏幕中进行等比例缩放div区域。
Responsive images automatically adjust to fit the size of the screen. Create responsive images by adding an .img-responsive class to the tag. The image will then scale nicely to the parent element.The .img-responsive class applies display: block; and max-width: 100%; and height: auto; ...
Responsive ImagesImages can be made responsive in Bootstrap using the class .img-fluid. This class applies max-width: 100%; and height: auto; to the image so that it scales with the parent width. The responsive images automatically fit as per the size of the screen.Example...
ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxzZWFyY2h8MjB8fHZ1ZXxlbnwwfHwwfHw%3D&auto=format&fit=crop&w=500&q=60"img-alt="Image"img-top tag="article"style="max-width: 20rem"class="mb-2">You can add some textinyour card to suit your usecase...
document.formval2.field1.value = ("The down payment is "+"$"+ down.toFixed(0)); } <!-- Monthly payment calculation --> functionmonthly(){ varpvalue =document.formval.p_value.value;// pick the form input value (property value) ...
Bootstrap's global default font-size is 14px, with a line-height of 1.428. This is applied to the and all paragraphs. In addition, (paragraphs) receive a bottom margin of half their computed line-height (10px by default). Nullam quis risus eget urna mollis ornare vel eu leo. Cum...
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Bootstrap是一个广泛使用的前端框架,由Twitter开发并开源。它旨在提供一个响应式、移动优先的前端开发框架,帮助开发者快速构建美观、一致的网页和应用。Bootstrap的核心特性包括: 响应式设计:通过使用媒体查询和灵活的网格系统,Bootstrap可以自动调整布局以适应不同设备的屏幕尺寸。
ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxzZWFyY2h8MjB8fHZ1ZXxlbnwwfHwwfHw%3D&auto=format&fit=crop&w=500&q=60"img-alt="Image"img-toptag="article"style="max-width: 20rem"class="mb-2">You can add some text in your card to suit your use caseGo somewhere</template> 上面的代码将...
1 2 3 4 5.lightbox .lb-image{max-width:none;} 使用Lightbox后的效果(源代码在 index.html 中,文章最后会提供下载地址)。 此时,我们已经可以在全部的图片(是大图哦)中导航,效果很赞! 最终效果 快来体验一把: http://fineui.com/case/ 全部源代码下载 ...