CSS Advanced Sass Advanced Variables, Mixins, Functions, and Placeholders Suffix Naming

i need help please

Use the given placeholder selectors along with parent selector references in order to get this CSS output:

.base { width: 100%; }

.base__element { background-color: blue; }

.base__element--modifier { background-color: orange; border-color: red; }

style.scss
%base {
  width: 100%;
}
%element {
  background-color: blue;
}
%modifier {
  background-color: orange;
  border-color: red;
}