Add an overlay to the entire webpage with a brightness slider positioned at the center below the screen. The brightness slider appears and disappears when 'alt b' or 'alt c' is clicked, respectively. Color Temperature Presets and Color Finder to adjust the brightness color.
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v1.0: In the initial version, users can toggle the appearance of the overlay containing the brightness slider by pressing 'alt b'. Similarly, pressing 'alt c' toggles the visibility of the slider independently. The slider also auto-hides after a predefined time interval.
v2.0: This version introduces an enhanced feature set, enabling users to adjust the color temperature of the webpage through preset options or a color picker tool. This functionality offers users the flexibility to create varying visual atmospheres, such as warm or cool tones, according to their preferences.
