Blur background - Jquery / Pure CSS / Image?
Question
I need to create a page which has a full screen cover image and 2 div blocks containing content that sit on top of this cover image.
The div blocks need to have a slightly greyed blurred background effect - similar to the effect used by the Yahoo Weather app
but rather than blurring the entire background I need only the overlayed div background to be blurred - rather than the whole thing, which gives me a headache!
Has anyone managed to acheive a similar result - or have any idea if its possible via Jquery/ Pure Css or a combo?
4 answers
solution1
3 2013-06-17 13:15:32
There is a jQuery plugin called blur.js that claims to do what you want. Haven't checked it though.
solution2
1 2013-06-17 13:09:18
I don't know if this will help, but it gives a blur effect. A similar question was asked here:
The developer used a svg blur to give a blur effect.
Don't know if that helps.
solution3
1 2013-10-06 20:44:28
I just figured out how to do this! The background and the content divs both need to have the same background with the same positioning/size. and use background-attachment: fixed on both of them. You can blur the div with -webkit-filter: blur(5px); . You may need to use z-index depending on the location of other things on the page. Also if you want content inside the blurred div it will have to be in a completely separate div positioned on top of it, otherwise everything inside will get blurred too. Here's the code:
<body style="margin: 0px;">
<div id="bg" style="background: url('images/1.png') no-repeat; background-attachment: fixed; min-width: 100%; min-height: 100%;">
<div id="blur-cutoff" style="width: 280px; height: 280px; position: absolute; left: 50%; margin-left: -140px; margin-top: 10px; overflow: hidden;">
<div id="blur" style="width: 300px; height: 300px; background: url('images/1.png') no-repeat; background-attachment: fixed; margin-left: -150px; left: 50%; -webkit-filter: blur(5px); position: absolute;">
</div>
</div>
<div id="unblur" style="width: 300px; height: 300px; position: absolute; left: 50%; margin-left: -150px; z-index: 2;">
<p class="blurtext" style="font-family: tahoma; color: #FFFFFF; text-align: center; line-height: 300px;">This is the blurred div</p>
</div>
</div>
</body>
I couldnt get jsfiddle to work for this, so if someone could make that it would be awesome. The whole idea here is that both the divs have the exact same content in the same place. That way no matter where the blurred div moves it will look like its blurring the background.
solution4
0 2013-06-17 14:06:33
you can probably use the css3 filter:blur() property to get the image blurred, but you would need to have the background image the same (and in the same position) as the background element. you would also need to make sure that the blurred element is separate from the content you want to add (:before) because otherwise it'll blur the content as well. You can change the saturation, and other elements as well using the filter property.
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