body {
  margin: 0px;
  padding: 0px;
  overflow: hidden;
}

:root {
  --contrast: #112d4e;
  --bgColor: #defcf9;
  --fontColor: #112d4e;
}

#main {
  min-height: 100vh;
  background-color: var(--bgColor);
  border: 12px solid var(--contrast);
}

.flex {
  display: flex;
  justify-content: center;
  align-items: center;
}

.box {
  padding: 0px 10px;
  font-size: 60px;
  font-weight: bold;
  font-family: "Poppins", sans-serif;
  color: var(--fontColor);
}

.animate-slideup {
  margin-right: 16px;
  transform: translateY(200px) rotate(15deg);
  animation: slideup 1000ms cubic-bezier(0.65, 0, 0.35, 1) 1 forwards;
  transform-origin: top center;
}

@keyframes slideup {
  0% {
    transform: translateY(200px) rotate(20deg);
  }
  100% {
    transform: translateY(0px) rotate(0deg);
  }
}

.fs {
  height: 12px;
  width: 12px;
  background-color: #f95959;
  margin-left: -16px;
  margin-top: 28px;
  opacity: 0;
  animation: rotate-fs 1800ms cubic-bezier(0.5, 1, 0.89, 1) forwards;
  transform-origin: center;
}

@keyframes rotate-fs {
  0% {
    transform: rotate(0deg) scale(0);
    opacity: 0;
  }
  30% {
    opacity: 1;
    transform: rotate(0deg) scale(1);
  }
  100% {
    transform: rotate(720deg);
    opacity: 1;
  }
}

.curtain {
  position: fixed;
  background-color: var(--contrast);
  width: 100vw;
  min-height: 100vh;
  top: 0px;
  left: 0px;
}

.progressBar {
  height: 2px;
  width: 2px;
  background-color: var(--bgColor);
}

.progressGrow-animation {
  animation: grow 2000ms cubic-bezier(0.65, 0, 0.35, 1) 1 forwards;
}

@keyframes grow {
  0% {
    width: 0px;
  }
  50% {
    width: calc(100vw - 24px);
    height: 2px;
  }
  100% {
    width: calc(100vw - 24px);
    height: calc(100vh - 24px);
  }
}

@media (max-width: 800px) {
  .flex {
    flex-wrap: wrap;
  }
  .animate {
    margin-right: 4px;
  }
  .fs {
    height: 12px;
    width: 12px;
    margin-top: 30px;
  }
}

@media (max-width: 520px) {
  .box {
    font-size: 40px;
  }
  .main {
    border: 5px solid #fc3c3c;
  }
  .animate-slideup {
    margin-right: 6px;
  }
  .fs {
    height: 10px;
    width: 10px;
    margin-left: -4px;
    margin-top: 13px;
  }
}