html,
body {
    height: 100%;
    margin: 0;
}

body {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    min-height: 100vh;
    background-color: black;
    color: white;
    font-family: Arial, sans-serif;
    font-weight: 300;
    padding: 24px 0;
}

section {
    width: 100%;
    max-width: 900px;
    margin: 20px auto;
    padding: 0 16px;
}

a:link,
a:visited {
    color: yellow;
}

img {
    max-width: 100%;
    height: auto;
}

.navbar {
    position: absolute;
    top: 0;
    left: 0;
    text-align: left;
    width: 100%;
    padding: 20px;
}