Using CSS to apply a gradient over an img element

Looking to add a gradient overlay to an <img> tag with the src attribute set to angular-item. Here's an example: 

<img src={{value.angitem.image}}>

I attempted to create a CSS class:

.pickgradient {
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(0,0,0,0)), color-stop(100%,rgba(0,0,0,0.65)));
}

and then applied it like this:

<img src={{value.angitem.image}} class="pickgradient ">

Unfortunately, it didn't work as expected. Any suggestions on what I should try next?

htmlangularjscssgradient

Answer №1

Utilizing z-index :

To achieve the desired effect, you can place the gradient on a container and then use a negative z-index to position the image behind the gradient.

.pickgradient {
  display:inline-block;
  background: -moz-linear-gradient(top, rgba(0,0,0,0) 0%, rgba(0,0,0,0.65) 100%); /* FF3.6+ */
  background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(0,0,0,0.65)), color-stop(100%,rgba(0,0,0,0))); /* Chrome,Safari4+ */
  background: -webkit-linear-gradient(top, rgba(0,0,0,0) 0%,rgba(0,0,0,0.65) 100%); /* Chrome10+,Safari5.1+ */
  background: -o-linear-gradient(top, rgba(0,0,0,0) 0%,rgba(0,0,0,0.65) 100%); /* Opera 11.10+ */
  background: -ms-linear-gradient(top, rgba(0,0,0,0) 0%,rgba(0,0,0,0.65) 100%); /* IE10+ */
  background: linear-gradient(to bottom, rgba(0,0,0,0) 0%,rgba(0,0,0,0.65) 100%); /* W3C */
  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#a6000000', endColorstr='#00000000',GradientType=0 ); /* IE6-9 */
}

img{
  position:relative;
  z-index:-1;
  display:block;
  height:200px; width:auto;
}
<div class="pickgradient">
  <img src="http://i.imgur.com/HDssntn.jpg" />
</div>

Using a pseudo element :

Alternatively, you can also incorporate a pseudo element with the gradient and absolute positioning to layer the gradient over the image:

.pickgradient{
  position:relative;
  display:inline-block;
}
.pickgradient:after {
  content:'';
  position:absolute;
  left:0; top:0;
  width:100%; height:100%;
  display:inline-block;
  background: -moz-linear-gradient(top, rgba(0,0,0,0) 0%, rgba(0,0,0,0.65) 100%); /* FF3.6+ */
  background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(0,0,0,0.65)), color-stop(100%,rgba(0,0,0,0))); /* Chrome,Safari4+ */
  background: -webkit-linear-gradient(top, rgba(0,0,0,0) 0%,rgba(0,0,0,0.65) 100%); /* Chrome10+,Safari5.1+ */
  background: -o-linear-gradient(top, rgba(0,0,0,0) 0%,rgba(0,0,0,0.65) 100%); /* Opera 11.10+ */
  background: -ms-linear-gradient(top, rgba(0,0,0,0) 0%,rgba(0,0,0,0.65) 100%); /* IE10+ */
  background: linear-gradient(to bottom, rgba(0,0,0,0) 0%,rgba(0,0,0,0.65) 100%); /* W3C */
  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#a6000000', endColorstr='#00000000',GradientType=0 ); /* IE6-9 */
}

img{
  display:block;
  height:200px;width:auto;
}
<div class="pickgradient">
  <img src="http://i.imgur.com/HDssntn.jpg" />
</div>

Answer №2

When it comes to 2020, the mask-image feature is a great option to consider. It performs well in modern web browsers, although it may not be fully supported in older ones like Internet Explorer and requires the -webkit- prefix in many current browsers. Check here for browser compatibility details.

img {
   height: 200px;
   width: auto;
   mask-image: linear-gradient(to bottom, rgba(0,0,0,0) 0%,rgba(0,0,0,0.65) 100%);
   -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0) 0%,rgba(0,0,0,0.65) 100%);
}
   <img src="http://i.imgur.com/HDssntn.jpg" />

Answer №3

If you want to achieve a similar effect as using 

backgroundImage:linear-gradient(rgba(0, 0, 0, 0.8),rgba(0, 0, 0, 0.8),rgba(0, 0, 0, 0.8),rgba(0, 0, 0, 0.8)),url(img_url))
, I suggest setting background-color:black; for your container and then applying class img{opacity:0.4}.

My recommendation for styling:

Here is an example on Slide:

.Slide {
    position: relative;
    border: 1px solid blue;
    min-width: 100%;
    height: 100%;
    transition: 0.5s;
    background-color: rgb(0, 0, 0);
}

.Slide img{
    position: relative;
    border: 1px solid blue;
    min-width: 100%;
    height: 100%;
    transition: 0.5s;
    opacity: 0.4;
}

Answer №4

One creative solution is to overlay a div on top of the image and apply the gradient to the div instead of directly on the image.

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