78 lines
2.9 KiB
Markdown
78 lines
2.9 KiB
Markdown
---
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layout: docs
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title: Images
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description: Documentation and examples for styling images with Bootstrap.
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group: content
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---
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Opt your images into responsive behavior (so they never become larger than their parent elements) and add lightweight styles to them—all via classes.
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## Contents
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* Will be replaced with the ToC, excluding the "Contents" header
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{:toc}
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## Responsive images
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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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<div class="bd-example">
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<img data-src="holder.js/100px250" class="img-fluid" alt="Generic responsive image">
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</div>
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{% highlight html %}
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<img src="..." class="img-fluid" alt="Responsive image">
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{% endhighlight %}
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{% callout warning %}
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#### SVG images and IE 9-10
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In Internet Explorer 9-10, SVG images with `.img-fluid` are disproportionately sized. To fix this, add `width: 100% \9;` where necessary. This fix improperly sizes other image formats, so Bootstrap doesn't apply it automatically.
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{% endcallout %}
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## Image thumbnails
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In addition to our [border-radius utilities]({{ site.baseurl }}/utilities/borders/), you can use `.img-thumbnail` to give an image a rounded 1px border appearance.
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<div class="bd-example bd-example-images">
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<img data-src="holder.js/200x200" class="img-thumbnail" alt="A generic square placeholder image with a white border around it, making it resemble a photograph taken with an old instant camera">
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</div>
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{% highlight html %}
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<img src="..." alt="..." class="img-thumbnail">
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{% endhighlight %}
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## Aligning images
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Align images with the [helper float classes]({{ site.baseurl }}/utilities/responsive-helpers/#responsive-floats) or [text alignment classes]({{ site.baseurl }}/utilities/typography/#text-alignment). `block`-level images can be centered using [the `.mx-auto` margin utility class]({{ site.baseurl }}/utilities/spacing/#horizontal-centering).
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<div class="bd-example bd-example-images">
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<img data-src="holder.js/200x200" class="rounded float-left" alt="A generic square placeholder image with rounded corners">
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<img data-src="holder.js/200x200" class="rounded float-right" alt="A generic square placeholder image with rounded corners">
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</div>
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{% highlight html %}
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<img src="..." class="rounded float-left" alt="...">
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<img src="..." class="rounded float-right" alt="...">
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{% endhighlight %}
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<div class="bd-example bd-example-images">
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<img data-src="holder.js/200x200" class="rounded mx-auto d-block" alt="A generic square placeholder image with rounded corners">
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</div>
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{% highlight html %}
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<img src="..." class="rounded mx-auto d-block" alt="...">
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{% endhighlight %}
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<div class="bd-example bd-example-images">
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<div class="text-center">
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<img data-src="holder.js/200x200" class="rounded" alt="A generic square placeholder image with rounded corners">
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</div>
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</div>
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{% highlight html %}
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<div class="text-center">
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<img src="..." class="rounded" alt="...">
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</div>
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{% endhighlight %}
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