:root {
    --color-pagina: #e9e4d8;
    --color-marco: #3b2415;
    --color-marco-claro: #5c3a22;
    --celda-clara: #e9d8b4;
    --celda-oscura: #6b4226;
    --color-pieza: #f4ead2;
    --color-titulo: #3b2415;
    --fuente-titulos: Georgia, "Times New Roman", serif;
}

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

body {
    background-color: var(--color-pagina);
    color: var(--color-titulo);
    font-family: "DejaVu Sans", sans-serif;
    text-align: center;
    padding: 50px 20px;
}

h1 {
    font-family: var(--fuente-titulos);
    letter-spacing: 2px;
    margin-bottom: 28px;
}

#tablero {
    width: 400px;
    margin: 0 auto;
    background-image: linear-gradient(
        135deg, var(--color-marco-claro), var(--color-marco)
    );
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 25px 45px rgba(0, 0, 0, 0.35);
}

#tablero > div {
    display: flex;
}

#tablero p {
    background-color: var(--celda-oscura);
    color: var(--color-pieza);
    font-size: 28px;
    height: 45px;
    width: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-shadow: 0 2px 3px rgba(0, 0, 0, 0.5);
}

#tablero > div:nth-child(odd) p:nth-child(odd) {
    background-color: var(--celda-clara);
}

#tablero > div:nth-child(even) p:nth-child(even) {
    background-color: var(--celda-clara);
}