body {  
    background-color: #e0f7fa;  
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;  
    color: #004d40;  
    margin: 0;  
    padding: 0;  
}  

h1, h2, h3 {  
    color: #00796b;  
    text-align: center;  
}  

a {  
    color: #009688;  
    text-decoration: none;  
}  

a:hover {  
    text-decoration: underline;  
}  

button {  
    background-color: #004d40;  
    color: #ffffff;  
    border: none;  
    padding: 10px 20px;  
    cursor: pointer;  
    border-radius: 5px;  
    display: inline-block;  
    margin: 10px 0;  
    transition: background-color 0.3s ease;  
}  

button:hover {  
    background-color: #00796b;  
}  

.froge-icon {  
    width: 50px;  
    height: 50px;  
    display: block;  
    margin: 20px auto;  
}  

@media (min-width: 768px) {  
    body {  
        font-size: 18px;  
    }  
}  

@media (max-width: 767px) {  
    body {  
        font-size: 16px;  
    }  
}  

.footer {  
    background-color: #004d40;  
    color: #ffffff;  
    text-align: center;  
    padding: 10px 0;  
}