body {
    font-family: Arial;
    background-color: #f4f4f4;
}

header {
    background-color: #2c3e50;
    color: white;
    padding: 15px;
    text-align: center;
}

.menu {
    list-style-type: none;
    background-color: #34495e;
    padding: 10px;
}

.menu li {
    display: inline;
    margin-right: 20px;
}

.menu a {
    color: white;
    text-decoration: none;
}

.menu a:hover {
    color: yellow;
}

form {
    background: white;
    padding: 20px;
    width: 300px;
}