Modifying the font size of a st.expander label

[Shawn_Pereira]

Hi @doug2023,

For most widgets, the above code could work. For others, you could try the logic from one of my previous responses:

Font size of slider caption

Hi @zxdawn, If you use the css hack, it will apply to all the elements of the same type, that exist on the page. I modified the code slightly, but this won’t work if you use emojis. If you are still interested, the code is below, along with a snapshot: import streamlit as st import streamlit.components.v1 as components def ChangeWidgetFontSize(wgt_txt, wch_font_size = '12px'): htmlstr = """<script>var elements = window.parent.document.querySelectorAll('p'), i; for (i = 0;…

Give it a shot and try and figure it out - that’s how I learnt.

Cheers