*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --dark-grey: #0a0a23;
    --white: #ffffff;
    --yellow: #f1be32;
}

body {
    background-color: var(--dark-grey);
    color: var(--white);
}

h1 {
    text-align: center;
    margin-top: 20px;
}

#productSelect {
    display: block;
    margin: 25px auto;
    padding: 8px;
    border: 4px solid var(--white);
    border-radius: 4px;
    width: 200px;
}

.products-container {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

@media (min-width: 760px) {
    .products-container {
        flex-direction: row;
    }
}

.card {
    background-color: var(--white);
    color: var(--dark-grey);
    border: 4px solid var(--yellow);
    border-radius: 5px;
    padding: 10px;
    width: 200px;
}

footer {
    text-align: center;
    padding: 20px;
    background-color: var(--dark-grey);
}

footer a {
    color: white;
    text-decoration: none;
    font-size: 1.2em;
}

footer a:hover {
    color: #0e417c;
    /* GitHub blue */
}