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

body {
    background-color: #ffd6e7;
    margin: 0;
    font-family: Arial, sans-serif;
    color: #333;
}

header {
    background-color: #ffb6d1;
    padding: 20px;
    text-align: center;
    color: white;
}

main {
    padding: 40px;
}

button {
    background-color: #ff8fb1;
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 10px;
    cursor: pointer;
}

    button:hover {
        background-color: #ff6f9f;
    }

h1 {
    margin-top: 0;
}

.contenedor-botones {
    display: flex;
    gap: 15px;
}

.contenedor-section-principal {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-top: 30px;
}

    .contenedor-section-principal img {
        width: 220px;
        border-radius: 20px;
    }

nav ul {
    display: flex;
    gap: 20px;
    list-style: none;
    padding: 20px;
    margin: 0;
    background-color: #ffc4da;
}

nav a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
}

.contenedor-materias {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    align-items: flex-start;
}

.caja-materias {
    background-color: #ffc4da;
    padding: 25px 35px;
    border-radius: 20px;
    width: 320px;
    height: fit-content;
}

.caja-materias h2 {
    text-align: center;
    margin-bottom: 15px;
}

.caja-materias ul {
    padding-left: 25px;
    margin-top: 10px;
}

.caja-materias li {
    margin-bottom: 8px;
}

footer {
    background-color: #ffb6d1;
    padding: 20px;
    text-align: center;
    margin-top: 40px;
}