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

body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
}

header {
    text-align: center;
    padding: 20px;
    background-color: #e3e3e3;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.2);
}

header .logo {
    width: 80px;
    height: auto;
}

header h1 {
    font-size: 24px;
    color: #333;
}

header h2 {
    font-size: 18px;
    color: #555;
}

.accesos {
    padding: 40px 20px;
    text-align: center;
}

.accesos h3 {
    font-size: 22px;
    margin-bottom: 20px;
}

.grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.acceso {
    background-color: #007acc;
    color: white;
    text-decoration: none;
    padding: 20px;
    border-radius: 8px;
    width: 200px;
    text-align: center;
    font-size: 18px;
    transition: background-color 0.3s ease;
}

.acceso:hover {
    background-color: #005f99;
}

.avisos {
    background-color: #fefefe;
    padding: 20px;
    margin: 20px;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.avisos h3 {
    font-size: 20px;
    color: #444;
    margin-bottom: 10px;
}

footer {
    background-color: #333;
    color: #fefefe;
    text-align: center;
    padding: 10px;
    font-size: 14px;
    margin-top: 40px;
}