with comma).The numbers in the table specify the first browser version that fully supports the property.Numbers followed by -webkit-, -moz-, or -o- specify the first version that worked with a prefix.Specify the size of a background image with percent:Specify the size of a background image with "cover":Specify the size of a background image with "contain":Here we have two background images. Reprenons ce que nous venons d’exposer et n’oublions pas que les éléments html et body sont les ancêtres les plus distants de n’importe quel élément de notre document.. Dans toute structure HTML, lorsque nous définissons la hauteur d’un élément en pourcentage il est nécessaire que son élément parent ait une hauteur définie. Now you can use media queries to swap out that image instead of relying on JavaScript.EDIT: I just realized (3 months later) that you probably don’t want the image to overflow; you seem to want the container element to resize based on it’s background-image (to preserve it’s aspect ratio), which is not possible with CSS as far as I know.However, you can create a responsive background-image element with a constant aspect ratio using purely CSS. Depending on the width of the screen the height of the image will obviously adjust accordingly. Maybe there’s a technique which serves different img tags based on device/screen width. Please excuse the inline styles but I wanted to give a basic example to try and make my question a little clearer.Do I maybe have to give the container div a percentage height based on the whole page or am I looking at this completely wrong?Also, do you think CSS backgrounds are the best way to do this? If you want to have a 100% width, variable height background image done with CSS, instead of using This will set your background image to 100% width and allow the height to overflow. It’s a really basic layout but below the header there’s an image of a product which will always be 100% width (the design shows it always going from edge to edge). Tejas Prajapati . You can then control each layer’s opacity without affecting each other! The background-size property specifies the size of the background images.. W3Schools is optimized for learning, testing, and training.
The background-image property sets one or more background images for an element. While using this site, you agree to have read and accepted our
Juan Pablo Serrano Arenas. I can put a random fixed height like 150px and then I can see the top 150px of the image but this isn’t the solution as there isn’t a fixed height. Pixabay. Ylanite Koppens. Pixabay. Depending on the width of the screen the height of the image will obviously adjust accordingly. Alternatively, you can use javascript to change the CSS settings depending on the window size, but this isn’t preferred. The background image will retain its original size.. For example, this background image is 960px by 640px large. i just added another image 5498 x 3615 px. I’m currently working on a mobile landing page for a company. This will ensure that the background image and the text content will be on their own “layer” in the parent. the image, second value: height), and the multiple background syntax (separated
Examples might be simplified to improve reading and basic understanding. but its not full height. and the second background-image with "cover":Use different background properties to create a "hero" image:If you want to report an error, or if you want to make a suggestion, do not hesitate to send us an e-mail:
syntax ("auto", "cover" and "contain"), the one-value syntax (sets the width of
Solution: Put the background image into a pseudo-element of the parent. Questions: I created a custom menu called “sub-top-nav” and now I’d like to override the html output. I can obviously use ‘width: 100%’ but what do I use for the height? It’s a really basic layout but below the header there’s an image of a product which will always be 100% width (the design shows it always going from edge to edge). I can use the more recent CSS3 for this project as it’s aimed solely at mobile.I’ve added a rough example below.
Pixabay. Let's consider a large image, a 2982x2808 Firefox logo image. Thanks in advance for your time, it’s much appreciated.Edit: Changing the image on different size of the windowIn this way you change your image in different size of the browser.Tim S. was much closer to a “correct” answer then the currently accepted one. the image (height becomes "auto"), the two-value syntax (first value: width of
Faire fonctionner height: 100%.