tutorbookapp/tutorbook

.checkmark {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: block;
  stroke-width: 4;
  stroke: var(--background);
  stroke-miterlimit: 10;
  margin: 10% auto;
  animation: spinner 0.4s linear infinite;
}

.checked {
  animation: fill 0.3s ease-in-out 0.15s forwards,
    scale 0.4s ease-in-out 0.6s both;
}

.checked .circle {
  animation: stroke 0.2s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.checked .check {
  animation: stroke 0.4s cubic-bezier(0.65, 0, 0.45, 1) 0.5s forwards;
}

.circle {
  stroke-dasharray: 166;
  stroke-dashoffset: 80;
  stroke-width: 3;
  stroke-miterlimit: 10;
  stroke: var(--on-background);
  fill: none;
}

.check {
  transform-origin: 50% 50%;
  stroke-dasharray: 50;
  stroke-dashoffset: 50;
}

@keyframes spinner {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@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 40px var(--on-background);
  }
}