body {  
    font-family: "Arial", sans-serif;  
    margin: 0;  
    padding: 0;  
    color: #333;  
    background-color: #f5f5f5;  
}  

h1, h2, h3 {  
    font-weight: bold;  
    color: #003366;  
}  

a {  
    color: #0066cc;  
    text-decoration: none;  
}  

a:hover {  
    text-decoration: underline;  
}  

.container {  
    padding: 20px;  
    max-width: 800px;  
    margin: 0 auto;  
}  

button {  
    background-color: #008cba;  
    color: white;  
    border: none;  
    padding: 15px 32px;  
    text-align: center;  
    text-decoration: none;  
    display: inline-block;  
    font-size: 16px;  
    cursor: pointer;  
}  

button:hover {  
    background-color: #005f5f;  
}  

nav {  
    background-color: #004c4c;  
    padding: 10px;  
}  

footer {  
    background-color: #003333;  
    color: white;  
    text-align: center;  
    padding: 10px 0;  
    position: fixed;  
    left: 0;  
    bottom: 0;  
    width: 100%;  
}