header {
    text-align: center;
}

body {
    margin: 40px auto;
    max-width: 650px;
    line-height: 1.6;
    font-size: 18px;
    color: #444;
    padding:0 10px;
    font-family: "Proxima Nova", "Helvetica Neue", "Helvetica", "Segoe UI",
                 "Nimbus Sans L", "Liberation Sans", "Open Sans", FreeSans, Arial,
                 sans-serif;
}

a {
    color: blue;
}

.headshot {
    max-width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    margin: 0 auto;
}

.cat-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    justify-items: center;
}

figure {
    text-align: center;
}

figcaption {
    margin-top: 8px;
    font-style: italic;
}

.cat {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
}

h1, h2, h3 {
    line-height:1.2;
}

@media (prefers-color-scheme: dark) {
    body {
        color: #eee;
        background-color: #212529;
    }

    a {
        color: lightblue;
    }
}