Using CSS to layer a background image

Let's explore combining multiple layers as background images using HTML5 and CSS3:

<div style="background-image: url(layer1.png)">...</div>

To add the next layer, we can use the following CSS code:

div {
  background-image: url('layer2.png'),radial-gradient( rgba(255, 255, 255, 0.85) 0%, rgba(236, 245, 245, 0.19) 75%, rgba(236, 245, 245, 0) 100%);
}

By combining these layers in the CSS, we can achieve a DIV with all 3 layers as a background image. This is a creative way to enhance the look and feel of your website using pure HTML5 and CSS3.

htmlcss

Answer №1

When it comes to inline styling, it completely overrides the CSS properties set for that specific element.

One trick you can use is to create parent and child elements as layers, stacking them using the z-index property and adjusting transparency with opacity.

Here's an example in HTML:

<div class="layers">
  <div class="layer1" style="opacity: 0.2; background-image: url(foo.png);"> </div>
  <div class="layer2" style="opacity: 0.4;"></div>
  <div class="layer3" style="opacity: 0.2;"></div>
</div>

And the corresponding CSS:

.layers{
  position:relative;
  width: 100px;
  height: 100px;
}

.layer1, .layer2, .layer3{
  position:absolute;
  top:0px;
  left:0px;
  width: 100%;
  height: 100%;
}

.layer1{ background-color: red; z-index: 0;}
.layer2{ background-color: orange; z-index: -1;}
.layer3{ background-color: pink; z-index: -2; }

Check out the JsFiddle link for a live demo.

Answer №2

Unfortunately, it is not feasible. Here's what will occur:

The div {} rule holds lower precedence than inline css, causing your inline css background-image to override the previous rule instead of being added to it.

To resolve this issue:

Consider using a child element or utilize :before/:after to incorporate layer1.png

.wrapper {
  height: 200px;
  width: 300px;
  background-image: radial-gradient( rgba(255, 255, 255, 0.85) 0%, rgba(236, 245, 245, 0.19) 75%, rgba(236, 245, 245, 0) 100%);
  position: relative;
}

.wrapper div {
  position: absolute;
  left: 10%;
  top: 10%;
  width: 80%;
  height: 80%;
}

body {
  background-color: black;
}
<div class="wrapper"><div style="background-image: radial-gradient(rgba(0, 255, 0, 0.85) 10%, rgba(0, 245, 0, 0.19) 75%, rgba(0, 245, 0, 0) 90%);"></div></div>

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