body {
    font-family: Arial, sans-serif;
    background-color: #333;
    color: white;
    margin: 0;
    padding: 0;
}
.header, .footer {
    padding: 10px 0;
    text-align: center;
}
.header h1 {
    font-size: 36px;
    margin: 0;
}
.navigation {
    background-color: #222;
    overflow: hidden;
}
.navigation a {
    float: left;
    display: block;
    color: white;
    padding: 14px 16px;
    text-decoration: none;
}
.navigation a:hover {
    background-color: #ddd;
    color: black;
}
.content-centered {
    padding: 20px;
	text-align: center;
}
.content-left-aligned-text {
    padding: 20px;
	max-width: 800px;
	margin-left: auto;
	margin-right: auto;
	text-align: left;	
}
.footer a:hover {
    text-decoration: underline;
	color: white
}
.footer p, .footer a, .footer {
    margin: 0;
    padding: 5px;
    text-decoration: none;
    color: white;
}
img {
    border: 2px solid black;
    width: 300px;
}
a {
    color: #00BFFF;
    text-decoration: none;
}
a:hover {
    color: lightblue;
    text-decoration: underline;
}
form {
    max-width: 500px;
	margin: auto;
    padding: 15px;
    background-color: #444;
}
form label {
    display: block;
    margin-bottom: 5px;
    color: #fff;
}
form input, form textarea {
    box-sizing: border-box;
    width: 100%;
    padding: 8px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
}
form textarea {
    height: 150px;
}
form button {
    background-color: #007bff;
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
form button:hover {
    background-color: #0056b3;
}