.chat-back-arrow {
    height: 15px;
    vertical-align: text-top
}

@media screen and (max-width:575px) {
    .modal-dialog.thm-chat-modal-sec {
        margin: 0 !important
    }
}

.modal-dialog.chat-dialog {
    max-width: 100%
}

.modal-dialog.chat-dialog .modal-content iframe#chat_modal {
    height: 100vh
}