html {
    font-size: 100%;
    color-scheme: dark;
  }
  body {
    font-size: 18px;
    line-height: 24px;
    font-weight: 400;
    font-family: "Open Sans", "HelveticaNeue", "Helvetica Neue", Helvetica, Arial, sans-serif;
  }
  h1 {
    font-size: 48px;
    line-height: 96px;
}
.container {
    position: relative;
    width: 100%;
    max-width: 600px;
    text-align: center;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
  }
.column {
    position: center;
    width: 100%;
    float: center;
    box-sizing: border-box;
}
.row {
    margin-top: 10%;
}