homeassistant-desktop/web/assets/checkmark.css

/**
 * Extracted from: SweetAlert
 * Modified by: Istiak Tridip
 */
.success-checkmark {
  width: 80px;
  height: 80px;
  margin: 0 auto;
}
.success-checkmark .check-icon {
  width: 80px;
  height: 80px;
  position: relative;
  border-radius: 50%;
  box-sizing: content-box;
  border: 4px solid #4caf50;
}
.success-checkmark .check-icon::before {
  top: 3px;
  left: -2px;
  width: 30px;
  transform-origin: 100% 50%;
  border-radius: 100px 0 0 100px;
}
.success-checkmark .check-icon::after {
  top: 0;
  left: 30px;
  width: 60px;
  transform-origin: 0 50%;
  border-radius: 0 100px 100px 0;
  animation: rotate-circle 4.25s ease-in;
}
.success-checkmark .check-icon::before,
.success-checkmark .check-icon::after {
  content: "";
  height: 100px;
  position: absolute;
  background: #ffffff;
  transform: rotate(-45deg);
}
.success-checkmark .check-icon .icon-line {
  height: 5px;
  background-color: #4caf50;
  display: block;
  border-radius: 2px;
  position: absolute;
  z-index: 10;
}
.success-checkmark .check-icon .icon-line.line-tip {
  top: 46px;
  left: 14px;
  width: 25px;
  transform: rotate(45deg);
  animation: icon-line-tip 0.75s;
}
.success-checkmark .check-icon .icon-line.line-long {
  top: 38px;
  right: 8px;
  width: 47px;
  transform: rotate(-45deg);
  animation: icon-line-long 0.75s;
}
.success-checkmark .check-icon .icon-circle {
  top: -4px;
  left: -4px;
  z-index: 10;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  position: absolute;
  box-sizing: content-box;
  border: 4px solid rgba(76, 175, 80, 0.5);
}
.success-checkmark .check-icon .icon-fix {
  top: 8px;
  width: 5px;
  left: 26px;
  z-index: 1;
  height: 85px;
  position: absolute;
  transform: rotate(-45deg);
  background-color: #ffffff;
}

@keyframes rotate-circle {
  0% {
    transform: rotate(-45deg);
  }
  5% {
    transform: rotate(-45deg);
  }
  12% {
    transform: rotate(-405deg);
  }
  100% {
    transform: rotate(-405deg);
  }
}
@keyframes icon-line-tip {
  0% {
    width: 0;
    left: 1px;
    top: 19px;
  }
  54% {
    width: 0;
    left: 1px;
    top: 19px;
  }
  70% {
    width: 50px;
    left: -8px;
    top: 37px;
  }
  84% {
    width: 17px;
    left: 21px;
    top: 48px;
  }
  100% {
    width: 25px;
    left: 14px;
    top: 45px;
  }
}
@keyframes icon-line-long {
  0% {
    width: 0;
    right: 46px;
    top: 54px;
  }
  65% {
    width: 0;
    right: 46px;
    top: 54px;
  }
  84% {
    width: 55px;
    right: 0px;
    top: 35px;
  }
  100% {
    width: 47px;
    right: 8px;
    top: 38px;
  }
}