I have been trying to change the width of selected options in multiselect widget so that it can show text completely because the default width seems too short for me, which seems like this:

I have found some similar demands to change the background colour: Streamlit: change the color of multiselect widget

But I can not find the ID of the selected option in the Chrome debug tool:

Sorry I am a new hand in frontend development and Streamlit, any help is appreciated.