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A detailed introduction to Bootstrap thumbnails

零下一度

Release： 2017-07-18 16:42:17

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This chapter will explain Bootstrap thumbnails. Most websites need to lay out images, videos, text, etc. in a grid. Bootstrap provides an easy way to do this through thumbnails. The steps to create a thumbnail using Bootstrap are as follows:

Add an tag with class .thumbnail around the image.

This will add four pixels of padding and a gray border.

When the mouse hovers over the image, the outline of the image will be animated.

Overview

The default design of Boosttrap thumbnails requires only minimal tags to display linked images. Thumbnails are implemented through the "thumbnail" style and bootstrap's grid system

The Chinese translation of thumbnail is thumb nail. It is indeed like a thumbnail. There is a picture in the middle, a small circle of blank space around the picture, a border and rounded corners outside, and the text below

.thumbnail {
  display: block;
  padding: 4px;
  margin-bottom: 20px;
  line-height: 1.42857143;
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 4px;
  -webkit-transition: all .2s ease-in-out;  transition: all .2s ease-in-out;
}.thumbnail > img,
.thumbnail a > img {
  margin-right: auto;
  margin-left: auto;
}a.thumbnail:hover,
a.thumbnail:focus,
a.thumbnail.active {
  border-color: #428bca;
}.thumbnail .caption {
  padding: 9px;
  color: #333;
}

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<div class="container"><div class="row"><div class="col-xs-6 col-md-3"><a href="#" class="thumbnail"><img src="http://via.placeholder.com/100x100"" alt="#"></a></div><div class="col-xs-6 col-md-3"><a href="#" class="thumbnail"><img src="http://via.placeholder.com/100x100"" alt="#"></a></div><div class="col-xs-6 col-md-3"><a href="#" class="thumbnail"><img src="http://via.placeholder.com/100x100"" alt="#"></a></div><div class="col-xs-6 col-md-3"><a href="#" class="thumbnail"><img src="http://via.placeholder.com/100x100"" alt="#"></a></div></div></div>

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Custom content

On the basis of only thumbnails, a div named "caption" is added Container, place other content in this container, such as title, text description, button, etc.

.thumbnail .caption {
  padding: 9px;
  color: #333;
}

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<div class="container"><div class="row"><div class="col-xs-6 col-md-3"><a href="#" class="thumbnail"><img src="http://via.placeholder.com/100x100"" alt="#"></a><div class="caption"><h3>小火柴的蓝色理想</h3><p>好的代码像粥一样，都是用时间熬出来的</p><p><a href="##" class="btn btn-primary">确认</a><a href="##" class="btn btn-info">取消</a></p></div> </div><div class="col-xs-6 col-md-3"><a href="#" class="thumbnail"><img src="http://via.placeholder.com/100x100"" alt="#"></a><div class="caption"><h3>小火柴的蓝色理想</h3><p>好的代码像粥一样，都是用时间熬出来的</p><p><a href="##" class="btn btn-primary">确认</a><a href="##" class="btn btn-info">取消</a></p></div> </div><div class="col-xs-6 col-md-3"><a href="#" class="thumbnail"><img src="http://via.placeholder.com/100x100"" alt="#"></a><div class="caption"><h3>小火柴的蓝色理想</h3><p>好的代码像粥一样，都是用时间熬出来的</p><p><a href="##" class="btn btn-primary">确认</a><a href="##" class="btn btn-info">取消</a></p></div> </div><div class="col-xs-6 col-md-3"><a href="#" class="thumbnail"><img src="http://via.placeholder.com/100x100"" alt="#"></a><div class="caption"><h3>小火柴的蓝色理想</h3><p>好的代码像粥一样，都是用时间熬出来的</p><p><a href="##" class="btn btn-primary">确认</a><a href="##" class="btn btn-info">取消</a></p></div> </div>                </div></div>

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