body {
    background-color: #f0f8ff; 
}

header {
    background-color: #004d40; 
    color: white;              
}


h2 {
    background-color: #e0f2f1; 
    color: #00332e;            
}


section {
    background-color: white;   
}


footer {
    background-color: #333; 
    color: white;           
}


nav a {
    background-color: transparent; 
    color: white;                  
}


table {
    background-color: #f5f5dc; 
}


th {
    background-color: #00695c; 
    color: white;              
}