Bootstrap integeration with theme

Hi Team, I wanted to use bootstrap inbuilt classes like col-4, bg-primary , etc. for styling the theme. I am using the React framework . How can I integrate the same into the project .

@SoumyaAcharya , @Jalak_Vora

Ref : link

Please check open source theme e,g. Emerge/theme/global/variables.less at main · gofynd/Emerge · GitHub

Please clarify your response regarding this.