body {
    font-family: Arial, sans-serif;
    margin: 0;
    margin-bottom: 50px;
    padding: 0;
    background-color: #f5f5f5;
    color: #333;
}
header {   
    padding: 20px;
    width: 100%;
    background-color: #4CAF50;
    color: aliceblue;
    text-align: center;
}


nav {
    width: 50%; 
    margin: 0 auto; 
    text-align: justify; 
    background-color: #f0f0f0; 
    padding: 20px;
    border-radius: 8px;
}

ul {
    list-style-type: none;
    padding: 1;
}

ul li {
    margin: 5px 0;   
}

nav ul li a {
    text-decoration: none;
    color: #4CAF50;
}


section {
    width: 50%; 
    margin: 0 auto; 
    text-align: justify; 
    background-color: #f0f0f0; 
    padding: 20px;
    border-radius: 20px;
}


section h2{
    border-bottom: 2px solid #4CAF50;
    padding: 10px;
    
}