This element allows you to load a different image, depending on the user's screen pixel density, viewport size, image format, and other factors.Ĭlick the two orientation buttons at the top right of the editor to toggle the two images.
One of the more recent additions to HTML is the picture element. The picture Element and Responsive Design I encourage you to look at that page, because there are several other things you can do with regards to resizing/cropping/repeating background images, etc. When working with background images, you also have the option of using the background property as a shorthand to specify the background image URL, its size, the background color, etc, all in one go.
You can also supply any length or percentage value, the cover keyword, or auto (which specifies that the image size is automatically determined using the intrinsic width and/or height of the image).įurther to this, all CSS properties are able to use the initial, inherit, and unset values. In this example, I use the contain keyword to specify the size of the background image. In particular, you can use the background-size property to resize background images. You can also resize background images using CSS. thumbnail if you want the class applied to all elements that use that class.
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Feel free to change img.thumbnail to just. You would need to use something like video.thumbnail in your stylesheet for video thumbnails. This prevents you from inadvertently applying the class to the wrong element in the event that another element uses a class of the same name.įor example, if a video element had class="thumbnail", the above class won't be applied to it. By doing this, I'm specifying that only img elements that use the thumbnail class will have those styles applied. What I mean is, I've used img.thumbnail in the CSS. You might notice that I've prefixed the class name with img.
Therefore, images with that class will be sized using those explicit dimensions instead. However, it also sets a class for thumbnails (called thumbnail) which explicitly sets their width and height. This sets all img elements to a maximum width of 100%.
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