body {
    margin: 0;
    margin-top: 140px;
    font-family: 'Arial', sans-serif; 
}

.aula-digital {
    padding: 60px 20px;
    background-color: #f4f8fc;
    max-width: 1200px;
    margin: 0 auto;
}

.aula-digital h2 {
    text-align: center;
    font-size: 36px;
    color: #003366;
    margin-bottom: 10px;
    border-bottom: 3px solid #00509e;
    display: inline-block;
    padding-bottom: 10px;
}

.aula-digital p {
    text-align: center;
    color: #444;
    font-size: 18px;
    max-width: 800px;
    margin: 0 auto 40px auto;
}

.aula-bloque {
    background-color: #ffffff;
    border: 1px solid #ddd;
    border-radius: 12px;
    padding: 25px 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
    transition: transform 0.3s ease;
}

.aula-bloque:hover {
    transform: translateY(-5px);
}

.aula-bloque h3 {
    font-size: 22px;
    color: #003366;
    border-left: 5px solid #00509e;
    padding-left: 10px;
    margin-bottom: 20px;
}

.aula-bloque ul {
    list-style: none;
    padding-left: 0;
}

.aula-bloque ul li {
    margin-bottom: 15px;
}

.aula-bloque ul li a {
    text-decoration: none;
    color: #00509e;
    font-weight: 600;
    font-size: 16px;
    position: relative;
    padding-left: 20px;
    display: inline-block;
}

.aula-bloque ul li a::before {
    content: "▶";
    position: absolute;
    left: 0;
    color: #00509e;
    font-size: 12px;
}

@media (max-width: 768px) {
    body {
        margin-top: 50px;
    }
  }