html.h5p-iframe,
html.h5p-iframe > body,
.h5p-frame,
html.h5p-iframe .h5p-content {
  font-family: "HHU Celeste Sans", sans-serif !important;
  font-size: 20px !important;
}

/* Extra: some common content types that can be stubborn */
.h5p-course-presentation,
.h5p-flashcards,
.h5p-baq,
.h5p-interactive-book,
.h5p-dialogcards,
.h5p-quiz,
.h5p-question,
.h5p-question-set,
.h5p-questionset,
.h5p-multichoice,
.h5p-drag-question,
.h5p-mark-the-words,
.h5p-matching,
.h5p-blanks,
.h5p-fill-in-the-blanks,
.h5p-agora,
.h5p-timeline {
  font-family: "HHU Celeste Sans", sans-serif !important;
  font-size: 20px !important;
}

/* Buttons und Interaktive Elemente */
.h5p-joubelui-button,
.h5p-button,
.h5p-theme-label,
.h5p-alternative-inner {
  font-family: "HHU Celeste Sans", sans-serif !important;
  font-size: 20px !important;
}