* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.5;
}

.page {
    max-width: 1000px;
    margin: 0 auto;
    padding: 1rem;
}

.columns {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.columns p {
    margin: 0;
}

.columns h2 {
    margin: 0;
}

.columns h2 a {
    text-decoration: none;
    color: inherit;
}

.columns h2 a:hover {
    text-decoration: underline;
}

.columns h2 a.selected {
    text-decoration: underline;
}

h1 {
    margin: 0 0 0.25rem 0;
}

h2 {
    margin: 0;
}

h3 {
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

ul {
    margin-top: 0.5rem;
}

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

@media (max-width: 600px) {
    .columns {
        flex-direction: column;
        align-items: flex-start;
    }

    img {
        align-self: center;
        width: 150px;
    }
}

hr {
    border: none;
    border-top: 1px solid #666;
    margin: 2rem 0;
}

footer {
    margin-top: 2rem;
}

footer p {
    margin: 0;
    font-size: 0.9rem;
    color: #666;
}

.navbar {
    margin-top: 2rem;
}