.bounce-left {
  animation: bounceleft 0.6s forwards linear;
  opacity: 0;
}
@keyframes bounceleft {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
.bounce-right {
  animation: bounceright 0.6s forwards linear;
  opacity: 1;
}
@keyframes bounceright {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

.delay-100 {
  animation-delay: 100ms;
}
.delay-200 {
  animation-delay: 200ms;
}
.delay-300 {
  animation-delay: 300ms;
}
.delay-400 {
  animation-delay: 400ms;
}

.active::before,
.active .step-number::before {
  animation: left-right 0.5s linear forwards;
}
.active::before {
  animation-delay: 0.5s;
}
@keyframes left-right {
  from {
    width: 0;
  }
  to {
    width: 100px;
  }
}
.checkmark:checked::before {
  transform-origin: left top;
  animation: checkmark linear both 0.3s;
}
@keyframes checkmark {
  0% {
    height: 0px;
    width: 0;
    opacity: 0;
    right: 75px;
  }
  30% {
    height: 15px;
    width: 0;
    opacity: 1;
    right: 75px;
  }
  to {
    height: 15px;
    width: 25px;
    opacity: 1;
  }
}

.next:hover i {
  animation: left 0.4s forwards;
}

@keyframes left {
  0% {
    transform: translateX(0px);
  }
  100% {
    transform: translateX(10px);
  }
}

.prev:hover i {
  animation: right 0.4s forwards;
}

@keyframes right {
  0% {
    transform: translateX(0px);
  }
  100% {
    transform: translateX(-10px);
  }
}

.wrong {
  animation: shake 0.5s linear forwards;
}

@keyframes shake {
  0% {
    transform: translate(1px, 1px) rotate(0deg);
  }
  10% {
    transform: translate(-1px, -2px) rotate(-1deg);
  }
  20% {
    transform: translate(-3px, 0px) rotate(1deg);
  }
  30% {
    transform: translate(3px, 2px) rotate(0deg);
  }
  40% {
    transform: translate(1px, -1px) rotate(1deg);
  }
  50% {
    transform: translate(-1px, 2px) rotate(-1deg);
  }
  60% {
    transform: translate(-3px, 1px) rotate(0deg);
  }
  70% {
    transform: translate(3px, 1px) rotate(-1deg);
  }
  80% {
    transform: translate(-1px, -1px) rotate(1deg);
  }
  90% {
    transform: translate(1px, 2px) rotate(0deg);
  }
  100% {
    transform: translate(0) rotate(0deg);
  }
}