How to change Font size and Font weight of input date component

Summary:

 How to change Font size and Font weight of input date component

Content (required):

Hi,

I want to change font size ,weight and color of input date components with read only true property. How do i do it. Used style property but its not working. I want to do it for only once instance.

Version (include the version you are using, if applicable):

21.10.2

Code Snippet (add any code snippets that support your topic, if applicable):

<oj-input-date value="{{ $application.variables.LastUpdatedTime }}"

     style="font-size: 14px;font-weight: bold;color:maroon"

     converter='{"type": "datetime", "options": {"pattern":"MM/dd/yy hh:mm:ss a"}}' readonly="true">