.chat .chat-history {
    padding: 10px !important;
    max-height: 38vh !important;
    height: 38vh !important;
}

#chatRoom {
    .col-lg-12 {
        height: 20%;
    }

    .card {
        margin-bottom: 0px !important;
    }
}

@media only screen and (max-width: 767px) {
    .chat .chat-history {
        max-height: 47vh !important;
        height: 47vh !important;
    }
}