How do you customize the size of text in a Sharepoint List column using JSON?

Question

I'm currently using this JSON code to format the size of text in a Sharepoint list column:

{  
"$schema": "https://developer.microsoft.com/json-schemas/sp/column-formatting.schema.json",  
"elmType": "div",  
"debugMode": true,  
"txtContent": "@currentField",  
"style": {  
"font-size": "18pt"  
}  
}  

HOWEVER, I'm attempting to format a column in the SharePoint list to have 2 different font sizes.

Example:

I have a volume (bbl) column with the value 201.224 in an entry.

I'd like the numbers before the "." to be a larger font size here.

201. (font size 18), 224 (font size 14)

If possible, what JSON code can I use for these results to appear?

Answer 1

Hi @Michael ,

Thanks for the post.

Per my research, it is not possible to custom one value font with two different font size.
You can only use column formatting to make one value the same size.

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Answer 2

I'd like to customize my List to make the column headers for certain fields (the ones I allow users to edit) appear different - different size and color, for instance, or else bold those headers. Is this possible?