.snowflake {z-index: 999;  position: absolute;  display: block;  position: absolute;  -webkit-border-radius: 50%;  -moz-border-radius: 50%;  border-radius: 50%;  -webkit-transform: translateZ(0);  -moz-transform: translateZ(0);  -ms-transform: translateZ(0);  -o-transform: translateZ(0);  transform: translateZ(0);  -webkit-user-select: none;  -moz-user-select: none;  user-select: none;  background-image: -webkit-radial-gradient(    center,    circle farthest-corner,    rgba(255, 255, 255, 1) 40%,    rgba(255, 255, 255, 0) 100%  );  background-image: -moz-radial-gradient(    center,    circle farthest-corner,    rgba(255, 255, 255, 1) 40%,    rgba(255, 255, 255, 0) 100%  );  background-image: -ms-radial-gradient(    center,    circle farthest-corner,    rgba(255, 255, 255, 1) 40%,    rgba(255, 255, 255, 0) 100%  );  background-image: radial-gradient(    center,    circle farthest-corner,    rgba(255, 255, 255, 1) 40%,    rgba(255, 255, 255, 0) 100%  );}

#snow { width: 100%; height: 100%;}