CSS gradient at pixel location (not %) - css

How can I create a programmatic horizontal gradient that starts at a prescribed location (in pixles on the x-axis)?
Here's the issue- I've got an image set as background-image - ideally, what I'd like to do is declare a CSS gradient that starts close to the edge of the image (~1800 pixels) and fades gracefully to full black.
So far, the best solution I have is to have two div elements- one with the photo background and the other with a 1px tall gradient image repeated along the y-axis with a background-position that starts at 1780px.
This works, but I really want to get away from the 1px image trick. Any ideas?
<div id="photobg">
<div id="gradientbg">
</div>
</div>
#photobg {
background-image:url('photourl.jpg');
}
#gradientbg {
background-image:url('1pxgradient.jpg');
background-repeat: repeat-y;
background-position: 1780px 0;
height: 100%;
}
What I'd like to do, in theory, is use color stops at 1780 px for a CSS gradient but as I understand it, CSS only supports % values as color stops.
Reference:
CSS 3 Gradient n pixels from bottom - Webkit/Safari

No, you can use pixels with linear gradient:
background-image: linear-gradient(transparent 1780px, black 100%);
You can also combine this gradient with multiple background images on one div.
You might want to check out this jsbin, I've made for you:
http://jsbin.com/sonewa/1/edit

This block of css will do what you want
background: -moz-linear-gradient(center top , #00AFF0, #53D4FE); //this is for mozilla
background-image: -webkit-linear-gradient(top, #00AFF0, #53D4FE); //this is for chrome and safari
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#00AFF0', endColorstr='#53D4FE', GradientType=0); //this is for IE
while the gradient is from color #00AFF0 to #53D4FE (top to bottom)

Related

How can i make a multiple color gradient to the right but with a glow effect to bottom?

so im trying to make a gradient like this one but with other colors:
So, im kinda new to css and i don't know how to make this glow effect bellow the gradient, thanks!
A background image can consist of more than one image - the first image in the list overriding those that come afterwards.
Using gradient images this snippet puts a transparent to a sort of dark gray from top to bottom image over a left to right gradient of colors.
Obviously this is just a start which will require you to play around with the parameters and the colors to get the effect you want.
div {
height: 10vh;
background-image: linear-gradient(transparent 0, #404040 40%), linear-gradient(to right, cyan, magenta, yellow);
background-size: 100% 100%;
background-repeat: no-repeat no-repeat;
}
<div></div>

Maximum and minimum gradient size in CSS

background: -webkit-linear-gradient(#FFFFFF, #EAEAEA);
background: -o-linear-gradient(#FFFFFF, #EAEAEA);
background: -moz-linear-gradient(#FFFFFF, #EAEAEA);
background: linear-gradient(#FFFFFF, #EAEAEA);
What I basically want to do, is to have some sort of minimum and maximum gradient length (for instance, the gradient can't be smaller than 500px, even if the background is, and neither can it be bigger than 500px, even if the background is). I have tried using this method:
background-size:500px;
(aswell as combining it with background-repeat:y-repeat), but that doesn't work, since the gradient later on repeats itself from top (and what I would like is for it to maintain its ending-color through the rest of the element).
So shortly, I'm wondering if there's a way to stop a gradient after a certain height, only allowing it to cover a part of the element (hence, preventing it from looking different on all pages, with different sized elements), without using images as background. However, I'd also like to know if using this method is worth it, both when it comes to compatibility and effort.
Thanks!
You just need to add color stops to your gradient, like so:
Working Example
body, html {
height:200%;
}
body {
background: -moz-linear-gradient(top, red 0px, white 500px, white 100%) no-repeat;
background: -webkit-linear-gradient(top, red 0px, white 500px, white 100%) no-repeat;
}
MDN Documentation for Linear-gradient
So I made the following test fiddle, and it seems that if you specify a background-size then the gradient will be resized to that size regardless of the element dimensions (note that you have to explicitly define a width and a hight for background-size to work properly in Firefox).
http://jsfiddle.net/myajouri/y4b3Z/
I have checked this in latest Chrome, Safari and Firefox and looks the same in all three borwsers.

Flip background image on repeat-y in CSS

I have a gradient image as the background to my website and I am having problems making it look correct with all page sizes. The image is 291x1080 and I am having it do a repeat-x. This is fine with all pages that are no larger than 1080p. However, for a page with more content or a screen with a resolution larger than 1080p, a white space follows the background. I do not want to do a simple repeat-y because the gradient going from light to dark without a transition would be strange. Is there any way to flip the background image every time it does a repeat-y using CSS?
This is the css to do this:
body {
...
background: #eeeeee url("/static/img/background.png") 0 0 repeat-x;
...
}
My suggestion: have the fabric texture and a gradient, not in an image.
For example:
body{
background-image: url("/static/img/background.png") repeat, linear-gradient(top, #000000, #123456);
}
You should make sure you add the browser support tags (-webkit, etc)
For further reference check out this:
How do I combine a background-image and CSS3 gradient on the same element?

CSS Gradients with Little Content

When I use gradients, with little content, the gradient repeats, how can I prevent that?
http://jsfiddle.net/mcqpP/1/
I can try using html { height: 100%; }, but when my content requires scrolling ... the gradient repeats
http://jsfiddle.net/mcqpP/3/
How can I fix this
You need to set percentages on the CSS gradients, not absolute pixels. And as long as you only care about modern browsers (i.e. you don't care about IE6) then I suggest you stay away from images, the CSS works fine.
I'm pulling my answer from the answer to this question that I wish I could upvote 100 times:
How to get a vertical gradient background to work in all browsers? That accepted answer has everything you need with full cross browser compatibility.
Here's where I took your example and made it work: http://jsfiddle.net/HJvpf/1/
body {
background: -moz-linear-gradient(top, red 0%, blue 100%);
background: -webkit-gradient(linear, left top, left 100%, from(red), to(blue));
}
Oh and in your 2nd jsFiddle link, the reason it was repeating the gradient is because you set height 100% on html but the gradient was on body. You move that height: 100%; to the body and it works fairly well, but as you can see in my solution you don't need to specify height at all.
Edit: So you don't want it to repeat, but you also don't want it to take up the entire height. Just set repeat-x. http://www.w3schools.com/css/pr_background-repeat.asp
body {
background: -moz-linear-gradient(top, red, blue) repeat-x;
background: -webkit-gradient(linear, left top, left bottom, from(red), to(blue)) repeat-x;
}
To have the bottom gradient color fill the rest of the space:
body {
background: blue -moz-linear-gradient(top, red, blue) repeat-x;
background: blue -webkit-gradient(linear, left top, left bottom, from(red), to(blue)) repeat-x;
}
Why not render your gradient out as an 1px-wide image and use something like the following:
body {
background-color: #fff;
background-image: url("images/background.jpg");
background-position: center top;
background-repeat: repeat-x;
}
Setting the background-repeat value will help you control how the background... repeats. In this case it would be rendered as a solid band across the top.
http://www.w3schools.com/css/pr_background-repeat.asp
Also, using an image should work across all browsers, whereas the moz-gradients could be problematic. The image method above should render very predictable results across all browsers.
I had the same problem but realised that it made sense and so just accepted the scrolling / repeating gradient. You could set a fixed height, not %, but to ensure that the gradient didn't repeat you would need to set the height as bigger than anybody's screen who wants to view it. And you don't know what resolutions people have. My advice is to just leave it.

How does Yahoo create it's background gradient on yahoo.com?

On Yahoo.com, I really like the light gray body gradient background. (Just the gray fade)
However, I can't find the image they use to great this effect.
Does anyone know what image/code Yahoo uses to create this background effect?
It's the image: http://l1.yimg.com/a/i/ww/met/th/slate/gsprite_pg_slate_20100521.png
If you look at the CSS you'll see:
background-image: url(http://l1.yimg.com/a/i/ww/met/th/slate/gsprite_pg_slate_20100521.png);
background-repeat: repeat-x;
Which is what everybody else is pointing out. However, the part that nobody else has pointed out is that there is also:
background-position: 0px -2335px;
Which defines an offset so that the background you see doesn't actually start till way down the image.
The gradient that is shows is white to grey, then transparent. In order to make the gradient in this manner you have to set the color of the page equal to the last extent of the gradient. So if you look in that CSS you'll also see:
background-color: #E8EDF0;
This completes the gradient you currently see on yahoo.com.
I have also confirmed that #E8EDF0 is the correct hex code for the last non-transparent color on that background image.
in your image app, make a gradient that starts very slightly darker then it ends
Have a look at the Style on the HTML element using something like FireBug or Chrome's Inspect Element or even IE's Developer stuff.
Also a good thing that a lot of beginners don't understand is that you create a gradient image that's for example 100px tall by only 10px wide. then you just use a css style like this:
body { background:
url('backgroundImage/png') repeat-x; }
The repeat-x repeats the image horizontally.
Current yahoo background has the following CSS property
body{
background: url(http://l1.yimg.com/a/i/ww/met/th/slate/gsprite_pg_slate_20110124.png) left -2335px repeat-x; /*unsupported fallback*/
background: -moz-linear-gradient(top, #fdfdfd, #e8edf0 1000px); /*Firefox*/
background: linear-gradient(top, #fdfdfd, #e8edf0 1000px); /*Standard*/
background-color: #dce2e7;
background-attachment: scroll;
}

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