Background Image Height
If you use a gradient as the background and specify a background size to go with it it s best not to specify a size that uses a single auto component or is specified using only a width value for example background size.
Background image height. Use a container element and add a background image to the container with height. The background size property specifies the size of the background images. Use 50 to create a half page background image. There are four different syntaxes you can use with this property.
We ll use the html element better than body as it s always at least the height of the browser window. The background image property sets one or more background images for an element. If you provide two values the first sets the background image s width and the second sets the height. The background size css property lets you resize the background image of an element overriding the default behavior of tiling the image at its full size by specifying the width and or height of the image.
Here is an example that uses a background image for the body of a page and which sets the size to 100 so that it will always stretch to fit the screen. Awesome easy progressive css3 way. By default a background image is placed at the top left corner of an element and repeated both vertically and horizontally. Let s consider a large image a 2982x2808 firefox logo image.
This way the background image will cover the entire element with no stretching the image will keep its original proportions. Image above credited to this site. Width of the image second value. Height and the multiple background.
Then use the following background properties to center and scale the image perfectly. A bootstrap background image is an illustration chosen by a user that is placed behind all the other objects on the website. The keyword syntax auto cover and contain the one value syntax sets the width of the image height becomes auto the two value syntax first value. We set a fixed and centered background on it then adjust it s size using background size set to the cover keyword.
The fallback way. It may be full or partially visible. If you only provide one value e g. 50 rendering of gradient s in such cases changed in firefox 8 and at present is generally inconsistent across browsers which do not all.
This method isn t perfect and it might cause some uncovered space but by using the background position property you should be able to eliminate the problem and still accommodate older browsers. 400px it counts for the width and the height is set to auto. How to create a full height image. Tiling a large image.
The background of an element is the total size of the element including padding and border but not the margin. You can use any css size units you like including pixels percentages ems viewport units etc. If you want the background image to cover the entire element you can set the background size property to cover. We can do this purely through css thanks to the background size property now in css3.