body {
    background-color: #f8f8f8;
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen",
    "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue",
    sans-serif;
    padding: 0;
}

header {
    background: linear-gradient(45deg, rgb(3, 78, 162) 0%, rgb(2, 54, 113) 100%);
    padding: .625rem .625rem;
}

header h1 {
    color: #f5f5f5;
    text-align: center;
}

section h2 {
    font-weight: bolder;
}