is not an allowed value for option "style". Usage:sass <input.scss> [output.css]sass <input.scss>:<output.css> <input/>:<output/> <dir/> === Input and Output =================== -\2d[no-]stdin Read the stylesheet from stdin. -\2d[no-]indented Use the indented syntax for input from stdin. -I,--load-path=<PATH> A path to use when resolving imports. May be passed multiple times. -s,--style=<NAME> Output style.[expanded(default),compressed]-\2d[no-]charset Emit a @charset or BOM for CSS with non-ASCII characters.(defaults to on)-\2d[no-]error-css When an error occurs,emit a stylesheet describing it. Defaults to true when compiling to a file. --update Only compile out-of-date stylesheets. === Source Maps ======================== -\2d[no-]source-map Whether to generate source maps.(defaults to on)--source-map-urls How to link from source maps to source files.[relative(default),absolute]-\2d[no-]embed-sources Embed source file contents in source maps. -\2d[no-]embed-source-map Embed source map contents in CSS. === Other ============================== -w,--watch Watch stylesheets and recompile when they change. -\2d[no-]poll Manually check for changes rather than using a native watcher. Only valid with --watch. -\2d[no-]stop-on-error Don't compile more files once an error is encountered.
-i,--interactive Run an interactive SassScript shell. -c,-\2d[no-]color Whether to use terminal colors for messages. -\2d[no-]unicode Whether to use Unicode characters for messages. -q,-\2d[no-]quiet Don't print warnings.
-\2d[no-]quiet-deps Don't print compiler warnings from dependencies.
Stylesheets imported through load paths count as dependencies. -\2d[no-]verbose Print all deprecation warnings even when they're repetitive.
-\2d[no-]trace Print full Dart stack traces for exceptions. -h,--help Print this usage information. --version Print the version of Dart Sass.