#chat ul#messages {
    list-style-type: none;
    padding: 0.5rem;
    margin: 0;
    background-color: #ffffff;
    border: 1px solid #cccccc;
    border-radius: 5px;
    height: 400px;
    overflow-y: auto;
    font-size: 0.9rem;
}

#chat #messages li {
    margin-bottom: 0.5rem;
    padding: 0.3rem 0;
    border-bottom: 1px solid #f0f0f0;
}

#chat #messages li:last-child {
    border-bottom: none;
}

#chat .system-message {
    color: #888;
    font-style: italic;
}

.chat-message-danmaku {
    position: absolute;
    white-space: nowrap;
    animation: scrollMessage 10s linear forwards;
    font-size: 1.2rem;
    font-weight: bold;
    color: white;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.7);
}

@keyframes scrollMessage {
    from {
        margin-left: 100%;
        margin-right: -100%;
    }
    to {
        margin-right: 100%;
        margin-left: -100%;
    }
}