table {
    width: 100%; 
    border-collapse: collapse;
    font-family: Arial, sans-serif;
    margin: 20px 0;
}

th, td {
    border: 1px solid #dddddd;
    padding: 12px 15px;
    text-align: left;
}

th {
    background-color: #009398; 
    color: #ffffff; 
    font-weight: bold;
}

tbody tr:nth-child(even) {
    background-color: #f3f3f3;
}

tbody tr:hover {
    background-color: #f5f5f5;
}

footer {
    background-color: #009398;
    color: #ffffff; 
    text-align: center; 
    padding: 10px 0;  
    width: 100%;
    bottom: 0; 
}

h1 {
    color: #009398; 
    text-align: center; 
    margin-top: 20px; 
}

h4 {
    color: #333333; 
    font-size: 16px; 
    line-height: 1.5; 
    margin: 20px 0; 
}

nav {
    background-color: #009398; 
    padding: 10px 0; 
    text-align: center; 
}

a {
    color: #ffffff; 
    text-decoration: none; 
    margin: 0 15px; 
    font-size: 16px; 
}