body {
    font-size: 100%;
    font-family: helvetica;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: linear-gradient(
      to bottom,
      rgba(150, 150, 150, 1) 0%,
      rgba(110, 110, 110, 1) 100%
    );
    min-height: 100vh;
  }