Gradients in Internet Explorer 9

Gradients in Internet Explorer 9

You still need to use their proprietary filters as of IE9 beta 1.

Whether IE-9 browser support for linear gradient

No, IE9 does not support the standard CSS gradients. This was only introduced in IE10.

IE9 does, however, support the old IE-specific -ms-filter style, in the same way as older IE versions did, so you can use this to generate gradients in IE9.

-ms-filter: "progid:DXImageTransform.Microsoft.gradient(startColorStr='#222222', EndColorStr='#AAAAAA')";

However, it is important to note that these filter gradients (and in fact IE's filter styles in general) have a number of bugs and quirks, some of which can make them difficult to work with.

For example, they are incompatible with CSS border-radius. If you use a filter gradient and border-radius on the same element, the gradient background will be displayed on top of the rounded corners and will hide them.

There is no way around this problem using the filter gradients.

So if you need to use gradient backgrounds and rounded corners on the same element in IE9, the best solution is to use a polyfill script such as CSS3Pie, which implements standard CSS gradients into IE9, and does it in a way that is compatible with border-radius.

This isn't the only problem you'll encounter when using filter styles, so my preference would be to avoid using them wherever possible. Polyfill scripts like CSS3Pie generally make things a lot easier to work with, and often do a good job of working around or avoiding the bugs in the fiter styles.

Hope that helps.

Background image gradient not working with ie9

This is pretty close:

filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#00ff6900', endColorstr='#ff8214',GradientType=0 );

This works in IE6+.

Or, for JUST IE9, you can replace it with an SVG by using the following styles, if the filter option doesn't float your boat:

Add to .orangeback:

background: url(data:image/svg+xml;base64,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);

Also add .ie9-gradient class to these elements, and add the following before the closing head tag:

<!--[if gte IE 9]>
  <style type="text/css">
    .ie9-gradient {
       filter: none;
    }
  </style>
<![endif]-->

To use the SVG polyfill for CSS3 gradients in IE9 you need to disable filter, so this code retains the filter gradient fallback for IE6-8 and uses SVG for IE9.

In your case, there is not really a need to use the SVG polyfill for IE9 because you are using a normal 2 color linear gradient. If you had a more complex gradient the second solution would probably be preferable, but for your purposes just using the filter solution should work fine.

Use this (or a CSS preprocessor) and never worry about CSS3 gradients again: Colorzilla Gradient Generator

Does IE9 support CSS linear gradients?

Well, IE9 is not done yet, but so far it looks like you're going to have to use SVG. I'm not aware of any -ms-gradient or gradient support in IE9. The other thing that's missing so far that I'm annoyed about is text-shadow.

http://css3wizardry.com/2010/10/29/css-gradients-for-ie9/

Do CSS Gradients work in IE9?

It does not.

See here: http://caniuse.com/#search=gradient

It will support SVG as a background though, which is currently used to make gradients for Opera.

CSS Gradient not working on Internet Explorer 8 & 9

I presume you generated the code from: http://www.colorzilla.com/gradient-editor/.

I believe you missed the SVG part for IE9, below is the complete CSS needed:

background: rgb(248,80,50); /* Old browsers */
/* IE9 SVG, needs conditional override of 'filter' to 'none' */
background: url(data:image/svg+xml;base64,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);
background: -moz-linear-gradient(left,  rgba(248,80,50,1) 0%, rgba(241,111,92,1) 50%, rgba(246,41,12,1) 51%, rgba(240,47,23,1) 71%, rgba(231,56,39,1) 100%); /* FF3.6+ */
background: -webkit-gradient(linear, left top, right top, color-stop(0%,rgba(248,80,50,1)), color-stop(50%,rgba(241,111,92,1)), color-stop(51%,rgba(246,41,12,1)), color-stop(71%,rgba(240,47,23,1)), color-stop(100%,rgba(231,56,39,1))); /* Chrome,Safari4+ */
background: -webkit-linear-gradient(left,  rgba(248,80,50,1) 0%,rgba(241,111,92,1) 50%,rgba(246,41,12,1) 51%,rgba(240,47,23,1) 71%,rgba(231,56,39,1) 100%); /* Chrome10+,Safari5.1+ */
background: -o-linear-gradient(left,  rgba(248,80,50,1) 0%,rgba(241,111,92,1) 50%,rgba(246,41,12,1) 51%,rgba(240,47,23,1) 71%,rgba(231,56,39,1) 100%); /* Opera 11.10+ */
background: -ms-linear-gradient(left,  rgba(248,80,50,1) 0%,rgba(241,111,92,1) 50%,rgba(246,41,12,1) 51%,rgba(240,47,23,1) 71%,rgba(231,56,39,1) 100%); /* IE10+ */
background: linear-gradient(to right,  rgba(248,80,50,1) 0%,rgba(241,111,92,1) 50%,rgba(246,41,12,1) 51%,rgba(240,47,23,1) 71%,rgba(231,56,39,1) 100%); /* W3C */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#f85032', endColorstr='#e73827',GradientType=1 ); /* IE6-8 */

It states on the site about Internet Explorer Support:

Support for full multi-stop gradients with IE9 (using SVG).
Add a "gradient" class to all your elements that have a gradient, and add the following override to your HTML to complete the IE9 support:

<!--[if gte IE 9]>
  <style type="text/css">
    .gradient {
       filter: none;
    }
  </style>
<![endif]-->

AFAIK Internet Explorer 8 or below doesn't support multi stop gradients.

Example: http://jsbin.com/cager/2/

Using ellipse as gradient for IE-9

I think I have bad news for you.

IE9 dropped support for the old IE-specific filter styles -- ie the ones that you pointed out in the other question you linked to.

The intention was that IE9 was supposed to be properly standards compliant, and those filter styles were non standard so they were dropped. At the same time, the idea was all the functionality provided by those styles was being replaced by standards-based CSS features.

Unfortunately, as you're finding, not quite all of the functionality was replaced with standard CSS in IE9. In particular, CSS gradients were a noticeable omission and have caused a lot of code to be written using awkward work-arounds.

The bottom line is that IE9 specifically has a particular blind-spot in this area, where newer IE versions and even the older ones do support this feature one way or another.

Your only real ray of light is that IE9 usage has dropped through the floor recently; hardly anyone is still using it. So my advice is that you can probably get away with having a fall-back solution that just uses a plain background colour; let IE9 have that and concentrate on the newer browsers that people do actually use.

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