body {
background: #0f0f0f;
color: #eee;
font-family: monospace;
display: flex;
justify-content: center;
margin-top: 40px;
}

.screen {
width: 420px;
border: 1px solid #444;
background: #111;
padding: 10px;
}

.hidden {
display: none;
}

#chat-log {
height: 260px;
overflow-y: auto;
border: 1px solid #333;
padding: 8px;
margin-bottom: 6px;
}

#chat-log div {
margin-bottom: 6px;
}

input, button {
background: #000;
border: 1px solid #333;
color: #fff;
padding: 6px;
}

button {
cursor: pointer;
}

#room-list div {
padding: 6px;
border: 1px solid #333;
margin-bottom: 4px;
cursor: pointer;
}

#room-list div:hover {
background: #222;
}