how to make background image responsive [duplicate] - html

Question

I have a website (g-floors.eu) and I want to make the background (in css I have defined a bg-image for the content) also responsive. Unfortunately I really don't have any idea on how to do this except for one thing that I can think of but it's quite a workaround. Creating multiple images and then using css screen size to change the images but I wanna know if there is a more practical way in order to achieve this.
Basically what I wanna achieve is that the image (with the watermark 'G') automatically resizes without displaying less of the image. If it's possible of course
link: g-floors.eu
Code I have so far (content part)
#content {
background-image: url('../images/bg.png');
background-repeat: no-repeat;
position: relative;
width: 85%;
height: 610px;
margin-left: auto;
margin-right: auto;
}

Answer 1

If you want the same image to scale based on the size of the browser window:
background-image:url('../images/bg.png');
background-repeat:no-repeat;
background-size:contain;
background-position:center;
Do not set width, height, or margins.
EDIT:
The previous line about not setting width, height or margin refers to OP's original question about scaling with the window size. In other use cases, you may want to set width/height/margins if necessary.

Answer 2

by this code your background image go center and fix it size whatever your div size change , good for small , big , normal sizes , best for all , i use it for my projects where my background size or div size can change
background-repeat:no-repeat;
-webkit-background-size:cover;
-moz-background-size:cover;
-o-background-size:cover;
background-size:cover;
background-position:center;

Answer 3

Try this :
background-image: url(_images/bg.png);
background-repeat: no-repeat;
background-position: center center;
background-attachment: fixed;
background-size: cover;

Answer 4

CSS:
background-size: 100%;
That should do the trick! :)

Answer 5

Here is sass mixin for responsive background image that I use. It works for any block element. Of course the same can work in plain CSS you will just have to calculate padding manually.
#mixin responsive-bg-image($image-width, $image-height) {
background-size: 100%;
height: 0;
padding-bottom: percentage($image-height / $image-width);
display: block;
}
.my-element {
background: url("images/my-image.png") no-repeat;
// substitute for your image dimensions
#include responsive-bg-image(204, 81);
}
Example http://jsfiddle.net/XbEdW/1/

Answer 6

This is an easy one =)
body {
background-image: url(http://domains.com/photo.jpeg);
background-position: center center;
background-repeat: no-repeat;
background-attachment: fixed;
background-size: cover;
}
Take a look at the jsFiddle demo

Answer 7

Here is the best way i got.
#content {
background-image:url('smiley.gif');
background-repeat:no-repeat;
background-size:cover;
}
Check on the w3schools
More Available options
background-size: auto|length|cover|contain|initial|inherit;

Answer 8

#container {
background-image: url("../images/layout/bg.png");
background-repeat: no-repeat;
background-size: 100% 100%;
height: 100vh;
margin: 3px auto 0;
position: relative;
}

Answer 9

I used
#content {
width: 100%;
height: 500px;
background-size: cover;
background-position: center top;
}
which worked really well.

Answer 10

Responsive website by add padding into bottom image height/width x 100 = padding-bottom %:
http://www.outsidethebracket.com/responsive-web-design-fluid-background-images/
More complicated method:
http://voormedia.com/blog/2012/11/responsive-background-images-with-fixed-or-fluid-aspect-ratios
Try to resize background eq Firefox Ctrl + M to see magic nice script i think best one:
http://www.minimit.com/demos/fullscreen-backgrounds-with-centered-content

Answer 11

You can use this. I have tested and its working 100% correct:
background-image:url('../images/bg.png');
background-repeat:no-repeat;
background-size:100%;
background-position:center;
You can test your website with responsiveness at this Screen Size Simulator:
http://www.infobyip.com/testwebsiteresolution.php
Clear Your cache each time you make changes and i would prefer to use Firefox to test it.
If you want to use an Image form other site/URL and not like:
background-image:url('../images/bg.png');
//This structure is to use the image from your own hosted server.
Then use like this:
background-image: url(http://173.254.28.15/~brettedm/wp-content/uploads/Brett-Edmonds-Photography-14.jpg) ;
Enjoy :)

Answer 12

<style>
* {
padding: 0;
margin: 0;
box-sizing: border-box;
}
#res_img {
background: url("https://s15.postimg.org/ve2qzi01n/image_slider_1.jpg");
width: 100%;
height: 500px;
background-repeat: no-repeat;
background-size: 100% 100%;
background-position: center;
border: 1px solid red;
}
#media screen and (min-width:300px) and (max-width:500px) {
#res_img {
width: 100%;
height: 200px;
}
}
</style>
<div id="res_img">
</div>

Answer 13

If you want the entire image to show irrespective of the aspect ratio, then try this:
background-image:url('../images/bg.png');
background-repeat:no-repeat;
background-size:100% 100%;
background-position:center;
This will show the entire image no matter what the screen size.

Answer 14

background:url("img/content-bg.jpg") no-repeat;
background-position:center;
background-size:cover;
or
background-size:100%;

Answer 15

Just two lines of code, it works.
#content {
background-image: url('../images/bg.png');
background-size: cover;
}

Answer 16

Adaptive for square ratio with jQuery
var Height = $(window).height();
var Width = $(window).width();
var HW = Width/Height;
if(HW<1){
$(".background").css("background-size","auto 100%");
}
else if(HW>1){
$(".background").css("background-size","100% auto");
}

Answer 17

background: url(/static/media/group3x.6bb50026.jpg);
background-size: contain;
background-repeat: no-repeat;
background-position: top;
the position property can be used to align top bottom and center as per your need and background-size can be used for center crop(cover) or full image(contain or 100%)

Answer 18

I think, the best way to do it is this:
body {
font-family: Arial,Verdana,sans-serif;
background:url("/images/image.jpg") no-repeat fixed bottom right transparent;
}
In this way there's no need to do nothing more and it's quite simple.
At least, it works for me.
I hope it helps.

Answer 19

Try using background-size but using TWO ARGUMENTS One for the width and the other one for the height
background-image:url('../images/bg.png');
background-repeat:no-repeat;
background-size: 100% 100%; // Here the first argument will be the width
// and the second will be the height.
background-position:center;