html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    justify-content: flex-start; /* Cambiado de center a flex-start */
    align-items: center;
}

.recuadro-titulo {
    width: 90%;
    margin: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    align-content: center;
    color: white;
    border: 2px solid black;
    font-size: 40px;
    padding: 20px;
    border-radius: 50px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

h1 {
    margin: 10px;
    text-shadow:
            -1px -1px 0 #000,
            1px -1px 0 #000,
            -1px  1px 0 #000,
            1px  1px 0 #000;
}

.recuadro-descripcion {
    width: 70%;
    margin: 10px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: white;
    color: black;
    border: 2px solid black;
    font-size: 40px;
    padding: 20px;
    border-radius: 50px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

h2 {
    margin: 10px;
    font-size: 40px;
}

p {
    font-size: 30px;
    margin: 10px;
    text-align: justify;
}

.recuadro-boton {
    margin: 10px;
}

#boton-r {
    border: 1px solid black;
}