The Responsive Package Version v0.1a Change font sizes and other typographic details in LaTeX documents depending on the page dimensions. The Responsive package for LaTeX enables dynamic adjustment of document elements for various output formats and devices. Key features include: - Font Size Adjustment: Set the font size to achieve an average number of characters per line, enabling suitable font size selection for various sizes of page formats or devices such as tablets and e-book readers. - Typographic Scales: Choose from predefined or define custom typographic scales using options such as number and ratio. - Media Queries: Test document properties using media queries, allowing conditional execution of code based on test results. - Line Spacing Control: adjust line spacing determining the x-height percentage for enhanced readability. Copyright: 2023-2024 Michal Hoftich This work may be distributed and/or modified under the conditions of the LaTeX Project Public License, either version 1.3 of this license or (at your option) any later version. The latest version of this license is in http://www.latex-project.org/lppl.txt and version 1.3 or later is part of all distributions of LaTeX version 2005/12/01 or later. This work has the LPPL maintenance status `maintained'. The Current Maintainer of this work is Michal Hoftich.