* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: "Roboto Mono", monospace;
  }
  .container {
    position: absolute;
    transform: translate(-50%, -50%);
    top: 50%;
    left: 50%;
  }
  #battery {
    box-sizing: content-box;
    height: 7.8em;
    width: 17.5em;
    border: 0.6em solid #246aed;
    margin: auto;
    border-radius: 0.6em;
    position: relative;
    display: grid;
    place-items: center;
  }
  #battery:before {
    position: absolute;
    content: "";
    height: 5em;
    width: 1.1em;
    background-color: #246aed;
    margin: auto;
    top: 0;
    bottom: 0;
    right: -1.6em;
    border-radius: 0 0.3em 0.3em 0;
  }
  #charge {
    position: absolute;
    height: 6.5em;
    width: 16.25em;
    background-color: #246aed;
    top: 0.6em;
    left: 0.6em;
  }
  #charge-level {
    position: absolute;
    font-size: 3em;
    font-weight: 500;
  }
  #charging-time {
    text-align: center;
    font-size: 1.7em;
    margin-top: 1.4em;
  }
  .active {
    animation: charge-animation 3s infinite linear;
  }
  @keyframes charge-animation {
    0% {
      width: 0;
    }
    100% {
      width: 16.25em;
    }
  }