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tokis February 2016

CSS + SVG Infinite animation with a delay between each iteration

I have my code here that shows animation for a check-mark.

It works but the problem is that, it doesn't loop. It only animates for 1 time. What I want is to animate it every 2 seconds.

Codepen link: http://codepen.io/haniotis/pen/KwvYLO

CSS looks like this:

@import "bourbon";

$color--green: #7ac142;
$curve: cubic-bezier(0.650, 0.000, 0.450, 1.000);

.checkmark__circle {
  stroke-dasharray: 166;
  stroke-dashoffset: 166;
  stroke-width: 2;
  stroke-miterlimit: 10;
  stroke: $color--green;
  fill: none;
  animation: stroke .6s $curve forwards;

.checkmark {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: block;
  stroke-width: 2;
  stroke: #fff;
  stroke-miterlimit: 10;
  margin: 10% auto;
  box-shadow: inset 0px 0px 0px $color--green;
  animation: fill .4s ease-in-out .4s forwards, scale .3s ease-in-out .9s both;

.checkmark__check {
  transform-origin: 50% 50%;
  stroke-dasharray: 48;
  stroke-dashoffset: 48;
  animation: stroke .3s $curve .8s forwards;

@keyframes stroke {
  100% {
    stroke-dashoffset: 0;

@keyframes scale {
  0%, 100% {
    transform: none;
  50% {
    transform: scale3d(1.1, 1.1, 1);

@keyframes fill {
  100% {
    box-shadow: inset 0px 0px 0px 30px $color--green;

HTML looks like this:

<svg class="checkmark" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 52 52">
  <circle class="checkmark__circle" cx="26" cy="26" r="25" fill="none" />
  <path class="checkmark__check" fill="none" d="M14.1 27.2l7.1 7.2 16.7-16.8" />


Harry February 2016

Note: Though this question is partly similar to the one I had linked in comments, it is a bit complex due to the presence of multiple animations that need to be chained together and hence I am adding a separate answer to explain it.

Making any CSS3 animation run infinite number of times is very simple. That can be achieved by just setting animation-iteration-count to infinite. But making an animation repeat every [x] seconds is a lot more complex because as explained in my answer here, the animation-delay property adds a delay only before the first iteration of the animation and not before each and every single iteration.

That answer explains how to add a delay between each iteration and so I wouldn't go into more details about that. But your case is a bit more complex because there are four animations which are chained together to produce the effect and so all of them need to be modified to make it work.

The following are the things that you need to do to make it repeat every 2 seconds infinitely:

  • Add animation-iteration-count: infinite to all 4 animations (or) just add infinite keyword to all animation shorthand properties.
  • Firstly calculate the total amount of time for which the entire animation (all 4 put together) runs. In your original snippet it was running for 1.2s and you needed a delay of 2s, so the total duration for the animation is 3.2s. This 3.2s should be made the duration for all the 4 animations.
  • The animation on .checkmark__circle was supposed to run for .6s and had no delay. .6s is roughly 18.75% of 3.2s and so the animation's keyframes should be changed so that the entire animatio

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Asked in February 2016
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