Comment créer une image d'arrière-plan complète réactive à l'aide de CSS [Tutoriel] (2024)

FAQs

How do I fix text on an image in CSS? ›

CSS position property is used to set the position of text over an image. This can be done by enclosing the image and text in an HTML “div”. Then make the position of div “relative” and that of text “absolute”. The absolute elements are positioned relative to their parent (div).

The CSS object-fit property is used to specify how an <img> or <video> should be resized to fit its container. This property tells the content to fill the container in a variety of ways; such as "preserve that aspect ratio" or "stretch up and take up as much space as possible".

CSS has a variety of different properties that can reference an image file, displaying that file on a web page normally as part of an element's background. This is done using the CSS image syntax, which is url().

There are several easy ways to add space between images using CSS. However, the simplest approach is to use the margin property. The margin property lets us create a space around the HTML elements. The margin property is actually a shorthand of the margin-top, margin-right, margin-bottom, and margin-left properties.

Use the <figcaption> for the text of the overlay. Set display: flex , flex-direction: column and justify-content: center to center the text into the image. Use the :hover pseudo-selector to update the opacity and transform of all the elements and display the overlay.

The max-height property sets the maximum height of an element, and the max-width property sets the maximum width of an element. To resize an image proportionally, set either the height or width to "100%", but not both. If you set both to "100%", the image will be stretched.

It is possible to set the CSS background-size property to cover. Using this value, the browser will automatically and proportionally scale the background image's width and height so that they are either equal to or greater than the view port's width and height.

How do I make a background image responsive in CSS? ›

Here's how to create responsive background images with CSS: Use the background-size property to encompass the viewport. Give this property a cover value that will tell a browser to scale the background image's heights and width so that they always remain equal to or greater than the height/width of the device viewport.

The magic happens with the background-size property: background-size: cover; cover tells the browser to make sure the image always covers the entire container, in this case html . The browser will cover the container even if it has to stretch the image or cut a little bit off the edges.

An element with position: fixed; is positioned relative to the viewport, which means it always stays in the same place even if the page is scrolled. The top, right, bottom, and left properties are used to position the element. A fixed element does not leave a gap in the page where it would normally have been located.

To center text in CSS, use the text-align property and define it with the value 'center.' You can use this technique inside block elements, such as divs.

The float property is used for positioning and formatting content e.g. let an image float left to the text in a container. The float property can have one of the following values: left - The element floats to the left of its container. right - The element floats to the right of its container.