body {
  margin: 0;
}

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

#loading-bg {
  position: absolute;
  display: block;
  background: var(--initial-loader-bg, #fff);
  block-size: 100%;
  inline-size: 100%;
}

.loading-logo {
  position: absolute;
  inset-block-start: 40%;
  inset-inline-start: calc(50% - 45px);
}

.loading {
  position: absolute;
  box-sizing: border-box;
  border: 3px solid transparent;
  border-radius: 50%;
  block-size: 55px;
  inline-size: 55px;
  inset-block-start: 50%;
  inset-inline-start: calc(50% - 35px);
}

.loading .effect-1,
.loading .effect-2,
.loading .effect-3 {
  position: absolute;
  box-sizing: border-box;
  border: 3px solid transparent;
  border-radius: 50%;
  block-size: 100%;
  border-inline-start: 3px solid var(--initial-loader-color, #eee);
  inline-size: 100%;
}

.loading .effect-1 {
  animation: rotate 1s ease infinite;
}

.loading .effect-2 {
  animation: rotate-opacity 1s ease infinite 0.1s;
}

.loading .effect-3 {
  animation: rotate-opacity 1s ease infinite 0.2s;
}

.loading .effects {
  transition: all 0.3s ease;
}

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(1turn);
  }
}

@keyframes rotate-opacity {
  0% {
    opacity: 0.1;
    transform: rotate(0deg);
  }

  100% {
    opacity: 1;
    transform: rotate(1turn);
  }
}

.battery {
  position: relative;
  margin: auto;
  block-size: 72px;
  inline-size: 85px;
}

.battery-level {
  position: absolute;
  animation: charge 1s infinite;
  background-color: #4caf50;
  block-size: 60px;
  inset-block-end: 6px;
  inset-inline-start: 6px;
  transition: block-size 0.5s;
}

.charging {
  background-color: #ffeb3b;
}

@keyframes charge {
  0% {
    block-size: 0;
  }

  50% {
    block-size: 60px;
  }

  100% {
    block-size: 0;
  }
}