CSS

how to do a background blur in css

/* Answer to "blur behind element css" */

/*
	This blurs everything behind the element it's applied to
*/

backdrop-filter: blur(10px);

css code to blur background

/* Setting background image and filter to blur */
body{
      background-image: url("software_code_3.jpg");
      background-position: center;
      background-repeat: no-repeat;
      background-size: cover;
      background-attachment: fixed;
      color: whitesmoke;
      backdrop-filter: blur(8px);
/*       -webkit-filter: blur(8px); */
    }
/* creating a kind of "glass-polymorphism" effect with a light-dark background*/
.container {
      border: 1px;
      border-radius: 5px;
      background-color: rgb(0,0,0);
      background-color: rgba(0,0,0, 0.4);
      padding: 20px;
    }

make blur with css

/* Add the blur effect in CSS */
  filter: blur(8px);
  -webkit-filter: blur(8px);

background blur css

background: transparent;
backdrop-filter: blur(10px);

blur css

.mydiv { filter: grayscale(50%) }

/* Graut alle Bilder um 50% aus und macht sie um 10px unscharf */
img {
  filter: grayscale(0.5) blur(10px);
}

css blur

filter: blur(8px);
 -webkit-filter: blur(8px);

add blur background css

backdrop-filter: blur(5px);

display blur css

.blurredElement {

     /* Any browser which supports CSS3 */
    filter: blur(1px);

    /* Firefox version 34 and earlier */
    filter: url("blur.svg#gaussian_blur");

    /* Webkit in Chrome 52, Safari 9, Opera 39, and earlier */
    -webkit-filter: blur(1px);
}

blur css

backdrop-filter: blur(6px);