html {
  width: 100%;
  background: #ff44d8;
  display: flex;
  align-content: center;
  justify-content: center;
  margin: 0;
  padding: 0;

  body {
    margin: 0;
    padding: 1em;
    background: #44ffd8;
    max-width: 720px;
    min-height: 100vh;
    box-shadow: 0 0 3em 0 blue;

    font-family: Verdana;

    h1 {
      font-size: 2em;
      background: white;
      color: #333;
      border: 1px solid black;
      border-width: 1px 0;     
      position: relative;
      left: -0.5em;
      top: -0.5em;
      width: calc(100% + 0.5em - 2px);
      padding: 0.3em;
    }

    graphics-element {
      background: white;
    }
  }
}