Step 1

Happy New Year 2018

Step 1

Add CSS Code in Your Page want it.

".snow-bg {
   position: relative;
}

.snow-bg:after {
   content: '';
   display: block;
   position: absolute;
   z-index: 2;
   top: 0;
   left: 0;
   right: 0;
   bottom: 0;
   pointer-events: none;
   background-image: url('https://library.elementor.com/resources/christmas-snow-sffect/s1.png'), url('https://library.elementor.com/resources/christmas-snow-sffect/s2.png'), url('https://library.elementor.com/resources/christmas-snow-sffect/s3.png');
    animation: snow 10s linear infinite;
}

@keyframes snow {
 0% {background-position: 0px 0px, 0px 0px, 0px 0px;}
 50% {background-position: 500px 500px, 100px 200px, -100px 150px;}
 100% {background-position: 500px 1000px, 200px 400px, -100px 300px;}
}"

Step 2

Add CSS Class Code in Your Widget or Colum want it.

https://elementor.com/christmas-snow-effect/