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This pull request improves the dark mode toggle functionality and enhances the user interface by switching from a text-based button to an icon-based button, while maintaining compatibility with both variants. It also refines the dark mode styling for various UI elements.
User interface improvements:
index.htmlnow displays a theme icon (dark_mode_icon.png) instead of text, using an<img>element for better visual clarity. The button retains accessibility via anaria-label.myFunction) is updated to support both icon and text-based toggles, switching the icon and/or the button text as appropriate depending on which is present.Styling and dark mode enhancements:
.mode_iconand.dark-mode-iconCSS classes to invert the icon and swap between dark and light mode icons (dark_mode_icon.pngandlight_mode_icon.png) when toggling themes. [1] [2].dark-instructionsCSS class to apply dark mode styling to instruction sections.