test.css

// Disable completions of HTML attributes
// with this option disabled, you can get attribute list completions
// inside opening HTML tags.
// WARNING: with this option disabled, Tab key expander will not
// work inside opening HTML attributes
"disable_completions": false,

// With this option enabled, all Emmet's CSS snippets
// will be available in standard auto-complete popup
"show_css_completions": true,

// List of scopes where Emmet CSS completions should be available
"css_completions_scope": "source.css - meta.selector.css - meta.property-value.css, source.scss - meta.selector.scss - meta.property-value.scss, source.less - meta.selector.css - meta.property-value.css",

// Remove default HTML tag completions on plugin start
// You should restart editor after changing this option
"remove_html_completions": false,