Style Entry

The main style.css of a site process or theme may contain only @import statements. Import focused stylesheets or coarse style groups from it. Define colors, component rules, media queries, and other CSS directives in imported files or the site core, as appropriate.

Correct

@import './styles/theme.css';
@import './styles/items.css';

Incorrect

@import './styles/items.css';
.items {
    @apply grid;
}