@media only screen and (min-width: 640px) {
    #kpd_chat[enabled="true"] {
        bottom: 0%;
        height: 100%;
        width: 480px;
        transform: scale(1.0);
    }

    #kpd_chat[enabled="false"] {
        bottom: -640px;
    }
}

@media only screen and (max-width: 640px) {
    #kpd_chat[enabled="true"] {
        bottom: 0px !important;
    }
}