:root {
    --text-color: #f8f9fa;
    --background-color: #212529;
}

body {
    padding: 0;
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--text-color);
    text-align: left;
    background-color: var(--background-color);
}

header {
    padding: 0.5rem 1rem;
    margin-bottom: 1rem;
    background-color: #343a40;
    border-bottom: 1px solid #e9ecef;
    color: #f8f9fa;

    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-direction: row;
}

header a {
    text-decoration: none;
}

header h1 {
    margin: 0;
    font-size: 2.5rem;
    font-weight: 300;
}

header nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
}

header nav ul li {
    margin-right: 1rem;
}

main {
    max-width: 80vw;
    margin: 0 auto;
}


.similar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-block: 2rem;
    padding-inline: 4rem;
}

.similar .spacer {
    flex: 1;
}

.similar a {
    border: 1px solid #e9ecef;
    background-color: #343a40;
    padding: 0.5rem 1rem;
    border-radius: 0.25rem;
    text-decoration: none;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out;
}

.similar a:hover {
    background-color: #f8f9fa;
    color: #343a40;
}