.chat-box {
    height: 400px;
    overflow-y: auto;
    border: 1px solid #ddd;
    padding: 10px;
    background-color: #f9f9f9;
    border-radius: 5px;
}

.alert {
    margin-bottom: 10px;
    border-radius: 20px;
}

.alert-secondary {
    background-color: #e9ecef;
    border-color: #d3d6d8;
}

.alert-primary {
    background-color: #cfe2ff;
    border-color: #b6d4fe;
    color: #084298;
}