Populate the div with an image that stretches to the full height

Question

Populate the div with an image that stretches to the full height

I'm facing an issue with my website's front page design, where a div is divided into two sections using the Twitter Bootstrap grid system. When the second grid (span9) is taller than the first (span3), the image perfectly fills up the span9 area as it has a width of 100%.

However, when I resize the page, the text in the span3 section takes up more lines causing the entire div to become taller than the image. This results in an undesirable layout:

My goal is to have the image fill up the entire height of the div without distorting its aspect ratio. I've been struggling to achieve this through CSS as I don't want the image to stretch vertically beyond its original size.

What I envision is for the image to crop or clip from the right side and expand vertically whenever the div becomes narrower but taller.

I attempted to create a fiddle to demonstrate this issue, but due to Bootstrap switching to mobile CSS in smaller windows, it's not accurately represented unless you view it in fullscreen and resize your browser: Fiddle

You can also see the live version of the problem on my website: Live Site.

html css twitter-bootstrap

Answer 1

Answer №1

To check if your span-9 element is already occupying the full height of its parent (which it should), you can make the image a background image using CSS. You can achieve this by adding the following code or even include a short inline

style="background-image: url(...)"

and then scale it with:

.fullheightimg{
    background-size: cover;
    background-positon: center right;
}

You can find more resources and in-depth reading about scaling background images on Mozilla's website at: https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Scaling_background_images

The cover value specifies that the background image should be sized so that it is as small as possible while ensuring that both dimensions are greater than or equal to the corresponding size of the container.

Here is an example addressing your issue:

@media (min-width: 970px) {
  .banner .row-fluid {
    display: table;
  }
  .banner .row-fluid .span3, .banner .row-fluid .span9 {
    float: none;
    display: table-cell;
  }
}
.banner .row-fluid .fullimage {
  background-image: url('http://santamonicacentric.com/site/wp-content/uploads/2014/07/internet-famous-grumpy-cat-just-landed-an-endorsement-deal-with-friskies.jpg');
  background-size: cover;
  background-position: center left;
  min-height: 150px;
}

Answer 2

To check if your span-9 element is already occupying the full height of its parent (which it should), you can make the image a background image using CSS. You can achieve this by adding the following code or even include a short inline

style="background-image: url(...)"

and then scale it with:

.fullheightimg{
    background-size: cover;
    background-positon: center right;
}

You can find more resources and in-depth reading about scaling background images on Mozilla's website at: https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Scaling_background_images

The cover value specifies that the background image should be sized so that it is as small as possible while ensuring that both dimensions are greater than or equal to the corresponding size of the container.

Here is an example addressing your issue:

@media (min-width: 970px) {
  .banner .row-fluid {
    display: table;
  }
  .banner .row-fluid .span3, .banner .row-fluid .span9 {
    float: none;
    display: table-cell;
  }
}
.banner .row-fluid .fullimage {
  background-image: url('http://santamonicacentric.com/site/wp-content/uploads/2014/07/internet-famous-grumpy-cat-just-landed-an-endorsement-deal-with-friskies.jpg');
  background-size: cover;
  background-position: center left;
  min-height: 150px;
}

Answer 3

Answer №2

Since the solution provided by Danielwinter was ineffective, I had to take matters into my own hands and discover a new approach.

I have determined that the mobile style should be implemented for browser widths of 767px and below, while the image should resize for browser widths of 1223px and below.

To address this, I included a new div in the HTML code with the class banner_image. This div will utilize the image as a background with the size property set to cover.

CSS

.banner_image {
   background: url(http://kursus.billetten.dk/wp-content/themes/kurser/img/header_image.jpg) no-repeat;
   background-size: cover;
}

The original image (inserted with <img> tags) should disappear once the image is supposed to resize using the new div. To ensure that the image does not have a fixed height, I matched the height of the div with text to the height of the image using jQuery. Additionally, to prevent the image from maintaining its size when the window is resized, I encapsulated the entire code within a function that executes on window resize.

jQuery

var windowWidth = $(window).width();
if(windowWidth > 768 && windowWidth < 1223){
    $('.banner_image').show();
    $('.banner_image').height($('.banner .span3').height());
    $('.banner .span12 img').hide();            
}
else {
    $('.banner_image').hide();
    $('.banner .span12 img').show();
}

$(window).resize(function() {
var windowWidth = $(window).width();
    if(windowWidth > 768 && windowWidth < 1223){
        $('.banner_image').show();
        $('.banner_image').height($('.banner .span3').height());
        $('.banner .span12 img').hide();                
    }
    else {
        $('.banner_image').hide();
        $('.banner .span12 img').show();
    }
});

By implementing this method, the image adjusts its size during window resizing, the original <img> is hidden within a certain width range, creating an optimal user experience overall.

Answer 4

Since the solution provided by Danielwinter was ineffective, I had to take matters into my own hands and discover a new approach.

I have determined that the mobile style should be implemented for browser widths of 767px and below, while the image should resize for browser widths of 1223px and below.

To address this, I included a new div in the HTML code with the class banner_image. This div will utilize the image as a background with the size property set to cover.

CSS

.banner_image {
   background: url(http://kursus.billetten.dk/wp-content/themes/kurser/img/header_image.jpg) no-repeat;
   background-size: cover;
}

The original image (inserted with <img> tags) should disappear once the image is supposed to resize using the new div. To ensure that the image does not have a fixed height, I matched the height of the div with text to the height of the image using jQuery. Additionally, to prevent the image from maintaining its size when the window is resized, I encapsulated the entire code within a function that executes on window resize.

jQuery

var windowWidth = $(window).width();
if(windowWidth > 768 && windowWidth < 1223){
    $('.banner_image').show();
    $('.banner_image').height($('.banner .span3').height());
    $('.banner .span12 img').hide();            
}
else {
    $('.banner_image').hide();
    $('.banner .span12 img').show();
}

$(window).resize(function() {
var windowWidth = $(window).width();
    if(windowWidth > 768 && windowWidth < 1223){
        $('.banner_image').show();
        $('.banner_image').height($('.banner .span3').height());
        $('.banner .span12 img').hide();                
    }
    else {
        $('.banner_image').hide();
        $('.banner .span12 img').show();
    }
});

By implementing this method, the image adjusts its size during window resizing, the original <img> is hidden within a certain width range, creating an optimal user experience overall.

Populate the div with an image that stretches to the full height

Answer №1

Answer №2

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