body {  
    background-color: #e0f7fa;  
    font-family: 'Comic Sans MS', cursive, sans-serif;  
    color: #00796b;  
    margin: 0;  
    padding: 0;  
}  

h1 {  
    text-align: center;  
    font-size: 48px;  
    color: #00796b;  
}  

a {  
    color: #004d40;  
    text-decoration: none;  
}  

a:hover {  
    text-decoration: underline;  
}  

.button {  
    display: inline-block;  
    padding: 10px 20px;  
    font-size: 20px;  
    cursor: pointer;  
    text-align: center;  
    text-decoration: none;  
    outline: none;  
    color: #fff;  
    background-color: #00796b;  
    border: none;  
    border-radius: 15px;  
    box-shadow: 0 9px #999;  
}  

.button:hover {  
    background-color: #00695c;  
}  

.button:active {  
    background-color: #00695c;  
    box-shadow: 0 5px #666;  
    transform: translateY(4px);  
}  

ul {  
    list-style-type: none;  
    margin: 0;  
    padding: 0;  
    overflow: hidden;  
    background-color: #00796b;  
}  

li {  
    float: left;  
}  

li a {  
    display: block;  
    color: white;  
    text-align: center;  
    padding: 14px 16px;  
    text-decoration: none;  
}  

li a:hover {  
    background-color: #111;  
}