body {
  margin: 0;
}

html {
  overflow-x: hidden;
  overflow-y: scroll;
}

#loading-bg {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--initial-loader-bg, #9a403a);
  block-size: 100%;
  gap: 1rem 0;
  inline-size: 100%;
}

/* HTML: <div class="loader"></div> */
.loader {
  height: 4px;
  width: 100%;
  max-width: 200px;
  --c: no-repeat linear-gradient(#173963 0 0);
  background: var(--c), var(--c), #ade7f7;
  background-size: 60% 100%;
  animation: l16 3s infinite;
  margin: 3rem auto;
}
@keyframes l16 {
  0% {
    background-position: -150% 0, -150% 0;
  }
  66% {
    background-position: 250% 0, -150% 0;
  }
  100% {
    background-position: 250% 0, 250% 0;
  }
}