Fonts and classes?

Question

css

If we assume there is a font family, is it normal to set classes for them, and to enter classes into HTML?
Example:
ff_h{font-family: 'Helvetica Neue';}
.ff_n-light{font-family: 'Helvetica Neue Light';}
.ff_n-bold{font-family: 'Helvetica Neue Bold';}
.ff_n_c-bold {font-family: 'Helvetica Neue Condensed Bold';}
.ff_n_c-black{ font-family: 'Helvetica Neue Cond Black';}

Answer 1

Read about BEM, excellent and understandable documentation from Russian developers in Russian.
What you want to do has the right to life, this is, if I'm not mistaken, Atomic CSS, but it is less popular than BEM, and clogging up HTML with a bunch of classes is not good
Read about BAM here