body {  
    margin: 0;  
    padding: 0;  
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;  
    background-color: #e0f7fa;  
    color: #00695c;  
}  

h1, h2, h3 {  
    color: #00796b;  
}  

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

a:hover {  
    text-decoration: underline;  
}  

button {  
    background-color: #004d40;  
    color: #ffffff;  
    padding: 10px 20px;  
    border: none;  
    cursor: pointer;  
    border-radius: 5px;  
}  

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

input[type="text"], input[type="email"], textarea {  
    border: 1px solid #004d40;  
    padding: 10px;  
    border-radius: 5px;  
    width: 100%;  
    box-sizing: border-box;  
}  

.header {  
    background-color: #004d40;  
    color: #ffffff;  
    padding: 20px;  
    text-align: center;  
}  

.navbar {  
    display: flex;  
    justify-content: center;  
    background-color: #004d40;  
}  

.navbar a {  
    padding: 14px 20px;  
    color: #ffffff;  
}  

.footer {  
    background-color: #004d40;  
    color: #ffffff;  
    text-align: center;  
    padding: 10px;  
    position: fixed;  
    bottom: 0;  
    width: 100%;  
}