@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&display=swap');

body {
    background-color: #fff;
    background: linear-gradient(0deg,rgba(0, 117, 27, 1) 0%, rgba(9, 9, 121, 1) 23%, rgba(167, 6, 6, 1) 52%, rgba(203, 3, 166, 1) 73%, rgba(0, 212, 255, 1) 100%);
    margin: 1em;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

body > article {
    max-width: 50em;
    margin: auto;
    font-size: larger;
}

header {
    min-height: calc(100vh - 2em);
    display: flex;
    flex-flow: column nowrap;
    justify-content: center;
    padding: 1em;
    background-color: #0005;
    color: white;
    margin-bottom: 3em;
    text-align: center;
}

h1 {
    font-size: 300%;
    font-family: "DM Serif Display", serif;
}

section {
    padding: 1em;
    margin-bottom: 3em;
    background-color: #fffe;
    padding: 1.5rem;
    transition: opacity 1s;
}

section.hidden {
    opacity: 0;
}

section:last-child {
    margin-bottom: 1em;
}

h2 {
    text-align: center;
    font-family: "DM Serif Display", serif;
}

section p {
    text-align: justify;
}