html {
    background-color: #445;
}
h5 {
    background-color: #333;
    color: white;
    margin: 0;
    padding: 12px;
    font-size: 14px;
    font-family: monospace;
}
.CodeMirror {
    background-color: #CCC;
    font-size: 10px;
    border: 1px solid #222;
    border-top: none;
}
.CodeMirror-gutters {
    background-color: #333;
    color: white;
}