Mozilla-Campus-Club-Cummins/Study_Space-HacktoberFest2025

Implement Dark/Light Mode Toggle

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#7 opened on Oct 4, 2025

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HacktoberfestHacktoberfest_2025hard

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Description

Description: Add a theme switcher to toggle between dark and light themes using CSS variables or JavaScript.

Goal: Improve accessibility and modernize the UI.

Contributor guide

Research direction
Explore the existing HTML and CSS to find how colors are defined. Check if there are any CSS variables (custom properties) already set up for theming. Look at the scripts to see how a theme toggle could be integrated. Propose adding a toggle button that switches a class or attribute on the root element to swap between dark and light themes.
Tech stack
htmlcssjavascript
Domain
frontend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GitHTMLCSSJavaScript
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
80