* {
    margin: 0px 0px;
    color: #FFFFFF;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    background-color: #111111;
}

header {
    background-color: #222222;
    border-bottom: 1px solid #444444;
}

h1 {
    padding: 25px;
}

button {
    background-color: #004466;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 24px;
    font-weight: bold;
    margin: 4px 2px;
    padding: 8px 16px;
}

button:hover {
    background-color: #114466;
}