converse-muc-config-form {
    width: 100%;
    overflow: auto;
}

.conversejs {
    .chatroom {
        .box-flyout {
            .muc-form-container {
                background-color: var(--background);
                border: 0;
                color: var(--text-color);
                font-size: var(--font-size);
                height: 100%;
                width: 100%;
                overflow-y: auto;

                .validation-message {
                    font-size: 90%;
                    color: var(--error-color);
                }
                input[type=button],
                input[type=submit] {
                    margin: 0 0.5em;
                }
                .button-primary {
                    background-color: var(--chatroom-head-fg-color);
                }
            }

            .chatroom-form {
                display: flex;
                flex-direction: column;
                justify-content: center;
                padding: 2em;
            }
        }
    }
}