Underscores is a starter theme designed for developers who want to create custom website themes from scratch. It provides a minimal, hackable foundation that avoids bloated code, making it ideal for those who prefer full control over their design and functionality.

Key features include:

• Lean HTML5 templates: Modern, well-commented templates that serve as a clean starting point for building unique layouts.
• Custom template tags: Functions in inc/template-tags.php help keep code organized and reduce duplication across theme files.
• Responsive navigation: A JavaScript file at js/navigation.js enables dropdown menus on small screens, ready for custom styling.
• Starter CSS: Smartly organized CSS in style.css provides a basic structure to jumpstart design work without unnecessary defaults.
• Sample layouts: Two CSS layouts in layouts/ offer options for sidebars on either side of content, facilitating flexible design choices. This theme is licensed under GPLv2 or later, encouraging open-source use and modification. It includes extras like a 404 template and optional custom header implementation, all aimed at streamlining the development process for experienced creators.