html {
    font-family: 'Archivo', sans-serif;
    font-size: 100%;
  }
  
  body {
    margin: 0;
    padding: 0;
  }
  
  #app .app-header {
    height: 3rem;
    padding: 0.5rem 0;
  }
  
  #app .app-header img {
    display: block;
    margin: 0 auto;
    max-height: 3rem;
  }
  
  #app .app-body {
    border-top: 0.1rem solid #E0E0E0;
    display: block;
    margin: 0.5rem auto;
    padding: 0.5rem 0;
    width: 75vw;
  }