How to change text transparency in HTML/CSS?

opacity applies to the whole element, so if you have a background, border or other effects on that element, those will also become transparent. If you only want the text to be transparent, use rgba. Also, steer far, far away from <font>. We have CSS for that now.

CSS color vs. background-color vs. background?

color is referring to the text color in that element. background-color refers to the background color background is shorthand to combine many background tags into one line. Combines color, image and background image properties in the one line instead of typing our each style individually. w3schools

Getting rid of bullet points from

Assuming that didn’t work, you might want to combine the id-based selector with the li in order to apply the css to the li elements: Reference: list-style-type at the Mozilla Developer Center.

Responsive image map

For responsive image maps you will need to use a plugin: https://github.com/stowball/jQuery-rwdImageMaps (No longer maintained) Or https://github.com/davidjbradshaw/imagemap-resizer No major browsers understand percentage coordinates correctly, and all interpret percentage coordinates as pixel coordinates. http://www.howtocreate.co.uk/tutorials/html/imagemaps And also this page for testing whether browsers implement http://home.comcast.net/~urbanjost/IMG/resizeimg3.html