body {  
    background-color: #001f3f; /* Deep space blue */  
    color: #ffffff; /* Brilliant white text for stellar contrast */  
    font-family: 'Interstellar', sans-serif; /* Custom universe-friendly font */  
    font-size: 18px;  
}  

h1, h2, h3 {  
    color: #ffdd00; /* Galactic gold for headings */  
    text-shadow: 0px 0px 5px #ffa500; /* Add some glow */  
}  

a {  
    color: #33ccff; /* Space link blue */  
    text-decoration: none;  
    transition: color 0.3s ease-in-out;  
}  

a:hover {  
    color: #ff00ff; /* Hover into nebula purple */  
}  

.navbar {  
    background-color: #013220; /* Space station green */  
    padding: 15px;  
    border-bottom: 3px solid #ff4500; /* Space adventure orange underline */  
}  

.button {  
    background-color: #66ff99; /* Alien green */  
    border: none;  
    color: #000;  
    padding: 10px 20px;  
    text-align: center;  
    text-decoration: none;  
    display: inline-block;  
    font-size: 16px;  
    margin: 4px 2px;  
    cursor: pointer;  
    transition: background-color 0.3s ease-in-out;  
}  

.button:hover {  
    background-color: #00ff99; /* Hover transformation to cosmic green */  
}  

footer {  
    background-color: #111111; /* Universal dark footer */  
    color: #999999; /* Subtle stardust grey */  
    text-align: center;  
    padding: 10px 0;  
}