body {
    background-color: #f0f8ff;
    color: #333333;
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    color: #2a6496;
    font-weight: bold;
}

a {
    color: #2a6496;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

button, input[type="submit"] {
    background-color: #2a6496;
    color: white;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
}

button:hover, input[type="submit"]:hover {
    background-color: #1e465a;
}

.container {
    width: 80%;
    margin: 0 auto;
    padding: 20px;
}

nav {
    background-color: #2a6496;
    color: white;
    padding: 10px;
    text-align: center;
}

nav a {
    color: white;
    margin: 0 15px;
}

footer {
    background-color: #1e465a;
    color: white;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    bottom: 0;
    width: 100%;
}

img {
    max-width: 100%;
    height: auto;
}

@media (max-width: 600px) {
    .container {
        width: 100%;
        padding: 10px;
    }
    
    nav a {
        display: block;
        margin: 5px 0;
    }
}