CSS文件里可以使用导入其他css文件

/*
* The default styles are overwritten by the following Platform stylesheets.
*/
@import "login/styles.css";
@import "dashboard/styles.css";
@import "universe/styles.css";
@import "notification/styles.css";
@import "contacts/styles.css";
@import "report/styles.css";
@import "settings/styles.css";
@import "myprofile/styles.css";
@import "usermanagement/styles.css";
@import "500_error/styles.css";