body {
    background: #000;
    color: #000;
}

.main {
    background: #fbe39b;
    color: #000;
}

.title {
    background: #000 url('/public/images/bg_gd.webp') center repeat-x;
    width: 100%;
    color: #fef5a6;
    text-align: center;
    padding: 6px 0px;
    margin-bottom: 16px;
    position: relative;
}

.title::after {
    content: "";
    background: #000 url('/public/images/te_t.webp') top center repeat-x;
    width: 100%;
    height: 16px;
    position: absolute;
    top: 100%;
    left: 0;
}

p {
    margin: 0;
}

.button {
    height: 40px;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    color: white;
    font-weight: bold;
    cursor: pointer;
    white-space: nowrap;
    display: inline-block;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.purple {
    background-color: #8e44ad;
    /* Màu tím */
}

.green {
    background-color: #27ae60;
    /* Màu xanh lá cây */
}

.blue {
    background-color: #0c0736;
    /* Màu xanh dương */
}

.red {
    background-color: #e74c3c;
    /* Màu đỏ */
}

#chat-box {
    height: 400px;
    overflow-y: scroll;
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    padding: 15px;
    margin-bottom: 15px;
}