无法编译css

ERROR in ./src/assets/styles/test.css 1:4

Module parse failed: Unexpected token (1:4)

You may need an appropriate loader to handle this file type, currently no loaders are configured to process this file. See https://webpack.js.org/concepts#loaders

> body{

|   color: red;

| }

 @ ./src/index.js 4:0-34

Child html-webpack-plugin for "index.html":

     1 asset

    Entrypoint undefined = index.html

    [./node_modules/html-webpack-plugin/lib/loader.js!./node_modules/html-webpack-plugin/default_index.ejs] 376 bytes {0} [built]

    [./node_modules/lodash/lodash.js] 528 KiB {0} [built]

    [./node_modules/webpack/buildin/global.js] (webpack)/buildin/global.js 472 bytes {0} [built]

    [./node_modules/webpack/buildin/module.js] (webpack)/buildin/module.js 497 bytes {0} [built]

i ｢wdm｣: Failed to compile.