Feature opacity in style
Added css attribute opacity.
options.html has a new input (range).
options.js saves and restore the new opacity (default 1).
index.js gets opacity from storage and create "style" with new attribut opacity.
Added css attribute opacity.
options.html has a new input (range).
options.js saves and restore the new opacity (default 1).
index.js gets opacity from storage and create "style" with new attribut opacity.