Css Background Stretches To Fill Height In Ios But There Is White Space On Scroll
Solution 1:
This happens because your #background
element is set to "follow" the height of the window:
#background {
...
position: fixed;
top: 0;
bottom: 0;
...
}
But, the window
in Safari changes its size when you scroll down the content for the first time from 460px
to 529px
:
As you can see from these screenshots, when the web page is loaded the window.innerHeight
is equal to 460px
(on iPhone5). Then, when you begin scrolling the page down while your finger touches the screen the window.innerHeight
is increased to 529px
but the content is not yet updated. Only when the finger is released from the screen the #background
element is updated with the new window height which equals to 529px
.
To fix this issue you should make sure that the #background
element is higher than the initial window height by 529-460 = 69px
. Or the #background
element has constant height of 529px
(or higher):
#background {
...
position: fixed;
top: 0;
bottom: -69px;
...
}
OR
#background {
...
position: fixed;
top: 0;
/* use height instead of bottom */height: 529px;
...
}
Here is a final code that fixes this issue:
<!doctype html><html><head><metacharset="utf-8"><title>Fixed background</title><metaname="viewport"content="width=device-width, initial-scale=1.0" /><linkrel="stylesheet"href="css/styles.css?v=1.0"><style>#background {
background: url(bkgd.png) repeat;
position: fixed;
background-size: 100% auto;
top: 0;
left: 0;
right: 0;
bottom: -69px;
z-index: -1;
}
</style></head><body><divid="background"></div><divstyle="height: 5000px;"></div></body></html>
Solution 2:
I have just solved this issue. The problem for me was that the whitespace was showing when I had my body tag with a background-image, with the background-size set to cover. To fix this issue I set:
background-size: 100vw 100vh;
Then set the media query I was having the problem with to
{background-size: cover;}
Solution 3:
Why not use background-size: cover. That way the background image will always fill its attached div or body tag
Solution 4:
Try using viewport units on the background
background-size: 100vw 100vh;
But first add viewport meta tag to your page:
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
NOTE:
The vw and vh units are not fully supported, check out the supported browsers here.
Solution 5:
You can fix this by using long transition delays to prevent the element resizing.
eg:
transition: height 250ms600s; /*10min delay*/
The tradeoff with this is it prevents resizing of the element including on device rotating, however you could use some JS to detect orientationchange and reset the height if this was an issue.
Post a Comment for "Css Background Stretches To Fill Height In Ios But There Is White Space On Scroll"