• The Gantry 5 revolution has finally arrived!

    Callisto is the first RocketTheme Club WordPress theme to be released on the new Gantry 5 Framework, marking the dawn of a new era of powerful, highly customizable and mobile friendly web building.

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  • Built in Menu Support with Custom Editor

    Gantry 5 benefits from its own built-in menu system, negating the need for auxiliary plugins, as well as featuring a drag and drop setup for advanced dropdown configuration.

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  • Choose and Configure the Six Preset Styles

    Callisto is distributed with ten preset styles, with light and dark variations. Each can be customized in the Style Settings to individualize the theme text, background and accent colors.

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Search Our Site

  • Guide
  • Support
Gantry benefits from an extensive, and ever expanding, catalog of online and freely available documentation covering basic to more advanced topics.
The RocketTheme site provides free documentation for all our themes and plugins, to supplement understanding of their various features and capabilities.
Our forums are monitored by a team of moderators, as well as the developers, to assist in general questions and problems relating to the themes and plugins.
Github allows for an system where you can contribute code, post issues and feedback on the Gantry open source project. Discuss Gantry live with us via Gitter.

Ultimate Customization

Plug and Play Presets
The Styles settings provides a user friendly interface for easily customizing the stylistic elements of the theme, such as color pickers for link, font or background colors. You can choose from ten predefined presets or create or customize your own.
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Responsive Layout

Callisto is built with a Responsive Layout, which means it automatically adapts to the viewing device, so will expand and contract accordingly to the size and resolution of the screen, whether mobile, tablet or desktop. This ensures a consistent, and easy to maintain, appearance for your site.

Mobile friendly with responsive layout and Offsection position
  • YAML-driven Configuration +

    YAML is a human-readable data serialization, making it easy to create and configure blueprints for back-end configuration options.
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  • Twig Templating +

    Gantry 5 utilizes Twig - a flexible, fast, and secure template engine for PHP - to make creating powerful, dynamic themes quick and easy.
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Photo Gallery

Using the power of Gantry 5 Particles to create a customizable image grid.
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