#conversejs {
    .chatbox {
        &.chatroom {
            @include media-breakpoint-up(xs) {
                @include make-col(12);
            }
            @include media-breakpoint-up(sm) {
                @include make-col(8);
            }
            @include media-breakpoint-up(md) {
                @include make-col(6);
            }
            @include media-breakpoint-up(lg) {
                @include make-col(4);
            }
        }
    }
}