Seamless SVG Animation - css

Question

I am trying to make a seamless animation so teh svg just continues to act like rain in a continous loop. The problem is the animation resets and you can tell. I would like to do this with CSS3 animations. Is the possible?
Full code is in codepen below
#sprinkles { position:absolute; height:100%; width:100%; }
#sprinkles .sprinkle { animation:rainSprinkles .85s linear infinite }
#sprinkles .sprinkle.white { fill:$white; }
#sprinkles .sprinkle.blue { fill:$blue; }
#sprinkles .sprinkle.yellow { fill:$yellow; }
#sprinkles .sprinkle.pink { fill:$hot-pink; }
#keyframes rainSprinkles {
0% {
transform: translateY(-100%);
}
100% {
visibility: hidden;
transform: translateY(1000%);
}
}
Codepen Below:
http://codepen.io/Jesders88/pen/bBYQom

Answer 1

The simplest way is to make your sprinkles be taller than the screen. Now when you move them down more come onto the screen.
Here's a demo.
I've made one change from your example. Instead of having four identical squares of sprinkles, I've taken just one of the four and turned it into a pattern That way the SVG repeats it for you and you can fill any area you want with a continuous pattern of sprinkles.
Then I have made a rectangle that is as wide as the screen and has a height equal to (svgHeight + patternHeight). I start it at -patternHeight off the top of the screen, then animate it down the distance of one patternHeight (487).
#rainRect {
animation: rainSprinkles 2s linear infinite;
}
#keyframes rainSprinkles {
from {
transform: translateY(0px);
}
to {
transform: translateY(487px);
}
}
We move it one patternHeight exactly so that it appears continuous when it jumps back up again to start another loop of the animation.