Blur the edges of an image or background image with CSS

I know there are a bunch of new CSS filters and I am wondering if there is a way to apply those to an image or background image. Everything I have read talks about softening the image with a drop shadow, however, a drop shadow is a color, and I want to blur the edges of images so that I could blend them together more seamlessly if they were next to each other. Right now it looks like you can only go with a drop shadow or apply a blur to the entire image (based on what I have read).

The closest I can come up with is a semi-transparent box this

-webkit-box-shadow: 12px 29px 81px 0px rgba(0,0,0,0.75);
-moz-box-shadow: 12px 29px 81px 0px rgba(0,0,0,0.75);
box-shadow: 12px 29px 81px 0px rgba(0,0,0,0.75);


If what you're looking for is simply to blur the image edges you can simply use the box-shadow with an inset.

Working example:


<div class="image-blurred-edge"></div>


.image-blurred-edge {
    background-image: url('');
    width: 200px;
    height: 200px;
    /* you need to match the shadow color to your background or image border for the desired effect*/
    box-shadow: 0 0 8px 8px white inset;

I'm not entirely sure what visual end result you're after, but here's an easy way to blur an image's edge: place a div with the image inside another div with the blurred image.

Working example here:


<div class="placeholder">
     <!-- blurred background image for blurred edge -->
     <div class="bg-image-blur"></div>
     <!-- same image, no blur -->
     <div class="bg-image"></div>
     <!-- content -->
     <div class="content">Blurred Image Edges</div>


.placeholder {
    margin-right: auto;
    margin-top: 20px;
    width: 200px;
    height: 200px;
    position: relative;
    /* this is the only relevant part for the example */
/* both DIVs have the same image */
 .bg-image-blur, .bg-image {
    background-image: url('');
    width: 100%;
/* blur the background, to make blurred edges that overflow the unblurred image that is on top */
 .bg-image-blur {
    -webkit-filter: blur(20px);
    -moz-filter: blur(20px);
    -o-filter: blur(20px);
    -ms-filter: blur(20px);
    filter: blur(20px);
/* I added this DIV in case you need to place content inside */
 .content {
    position: absolute;
    width: 100%;
    height: 100%;
    color: #fff;
    text-shadow: 0 0 3px #000;
    text-align: center;
    font-size: 30px;

Notice the blurred effect is using the image, so it changes with the image color.

I hope this helps.

<meta charset="utf-8">

#grad1 {
  height: 400px;
  width: 600px;
  background-image: url(t1.jpg);/* Select Image Hare */

#gradup {
  height: 100%;
  width: 100%;
  background: radial-gradient(transparent 20%, white 70%); /* Set radial-gradient to faded edges */



<h1>Fade Image Edge With Radial Gradient</h1>

<div id="grad1"><div id="gradup"></div></div>


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