* {
    margin: 0;
    padding: 0;
}

:root {
    --background-color: #000000; 
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-content: center;
}

.navbar ul {
    display: flex;
    gap: 20px;
}

.book-cards {
    display: flex;
    justify-content: center;
    flex-direction: column;
}

.card {
    display: flex;
    justify-content: center;
    gap: 20px;
    min-width: 200px;
    min-height: 200px;
}