.tr-x-editable-tinymce {
    min-width: 200px;
    min-height: 25px;
}
.editable-buttons {
    vertical-align: bottom; /* to avoid bottons covered by the toolbar */
}

@media (min-width: 680px) {
    .tr-x-editable-tinymce {
        min-width: 580px;
    }
}