CSS Click Chart | CSS3 Browser Support and Information

Keyword value `unset`

A universal CSS value that's the same as inherit if a property is inherited or initial if a property is not inherited.

.example {
  font-family: unset;
}

This paragraph's font family is "unset", so the value computes to its parent's font.

This sentence is inside a <b> element. Its font weight is "unset" and therefore just looks normal instead of bold.

Can I Use css-unset-value? Data on support for the unset feature across the major browsers from caniuse.com.