I have a parent component:
If you want to target the child elements with scoped styling you have to use the deep selector.
Which can be done with
a >>> b { color : red; }
/deep/ a b { color : red; }
a::v-deep b { color : red; }
Here is the full explanation: https://vue-loader.vuejs.org/guide/scoped-css.html#child-component-root-elements