Markup Languages and Style Sheets

WebStorm supports editing of files in the following markup and template languages:

• XML
• HTML/XHTML
• CSS
• Sass, SCSS
• Less
• Jade
• YAML
• Stylus
• Compass
• Handlebars expressions and Mustache templates

The markup languages and style sheets are integrated into WebStorm and can use the most powerful editing features:

• Validation and syntax highlighting.
• Code completion (Ctrl+Space).
• Indentation (Ctrl+Alt+I, Ctrl+Alt+L).
• Formatting (Ctrl+Alt+L) according to the code style.
• Intention actions (Alt+Enter).
• Viewing code structure (Alt+7).
• Navigation in the source code (Ctrl+B).
• Integrated documentation (Ctrl+Q).
• Search for usages (Alt+F7).
• Commenting and uncommenting lines (Ctrl+Slash, Ctrl+Shift+Slash).
• Unwrapping and removing tags (Ctrl+Shift+Delete).

All these features work if WebStorm successfully locates the DTD or schema file. In this case, all the files are validated against the DTD or schema, and the editing conveniences become available. Without a DTD or schema, only the well-formedness check is possible.

These features for web contents work same way as for the other source files. Refer to the respective topics of the Advanced Editing Features part for the detailed descriptions of procedures, and to Keyboard shortcuts. .

WebStorm parses Web contents files according to the following specifications:

• HTML: specification is configurable in the Default HTML language level in the Schemas and DTDs page of the Settings dialog. By default, specification HTML 5.0 from W3C is assumed.
• CSS: specification CSS 3.0. The most common selectors are supported: universal selector *, type selectors .a, descendant selectors .a.b, child selectors .a .b, ID selectors #b, pseudo-classes and class selectors DIV.warning.
• WebStorm uses Xerces 2.11, an XML parser developed by Apache Software Foundation Group.

In this part you will find information that is specific for the web content files only:

• Changing Color Values in Style Sheets
• Generating DTD
• Generating Instance Document from XML Schema
• Generating XML Schema from Instance Document
• Referencing XML Schemas and DTDs
• Minifying CSS
• Transpiling Sass, Less, and SCSS to CSS
• Validating Web Content Files
• Viewing Styles Applied to a Tag
• Viewing Images
• Working with Sass and SCSS in Compass Projects
• Transpiling Stylus to CSS
• Emmet Support
• Using Handlebars and Mustache Templates
• Navigating Between Edit Points