body {
    font-family: Arial, sans-serif;
    background-color: #f9f9f9;        
    padding: 40px 20px;
}

h1 {
    text-align: center;
    margin-bottom: 30px;
    color: #222222;
}

ul {
    list-style-type: none;
    padding: 0;
}

li {
    margin-bottom: 10px;
}
div {
    width: 100%;
    max-width: 650px;
    background: #ffffff; 
    padding: 30px;
    border-radius: 12px;
    margin: 0 auto;
}
a {
    display: block;          
    text-decoration: none;  
    color: #0066cc;            
    padding: 8px;            
}

a:hover {
    color: #003366;          
    background-color: #ededed;
}