Effortlessly adjusting the height of a hidden background image

At this website, I'm utilizing the CSS3 Cover property within the Background rule to extend an image behind the header.

Presently, I've had to assign a min-height of 500px to the header element for it to display properly. However, this is not the most efficient solution as I want the image to shrink proportionally when the window size changes. Do you think JavaScript could be the answer?

The code snippet in question is as follows:

<div style="background: url(http://altushealthsystem.com/dev/wp-content/uploads/home-banner.jpg) no-repeat 0 0 transparent;background-size: cover; min-height: 500px;"></div>

Here's a link to the JS Fiddle

Do you think this can be achieved?

javascriptjqueryhtmlcss

Answer №1

To achieve this effect, you do not have to rely on javascript. Instead, consider setting the header height using percentages. Keep in mind that this method will only be effective if the parent element also has a specified height.

For your specific case, make sure to include the following:

height: 100%;

for the html and body elements (all ancestors of the header), and then set:

height: 40%;

for your header element.

Answer №2

To enhance the appearance of the header, consider incorporating an image element instead of specifying a background color. You can achieve this by including the image using the following CSS:

<header....>
<img src="http://altushealthsystem.com/dev/wp-content/uploads/home-banner.jpg" style="max-width:100%; height:auto; position: absolute; z-index: -999;">

  <div class="container">
    <div class="row top-row">
...

Additionally, make use of @media queries to set specific dimensions for the header when viewed on different screen sizes.

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