We will configure Side boxes:
 

SIDE BOXES:

• Fonts (type of texts): the type of texts, you can choose between 7 families of fonts, here the second one is selected,
       - Style: choice of options, here Normal for text,
       - Size: in the example 15px, size of the texts in the skin,
       - Text color: the color must be adapted to the background color,
   
• Background OFF: background color, at rest, here #FFFFFF,
   
• Background ON: background color, overflying, here #FFFFFFFF, for Background OFF and ON, you'll notice that the color is the same, this color change is a bit outdated but it's only an opinion!
       - Opacity: 1, no transparency, a white background,
   
• Color links OFF: color of the links at rest, here #00000000,
   
• Color links ON: color of the links at hover, here #60C4EA,
   
• External margin: 0 10px 15px 10px, Left and right external margin must be the same size as the left and right side box headings for vertical alignment.
   
• Internal margin: 5px, same internal margin as the title,
   
• Borders: you indicate the color of the border for the border, for this skin #60C4EA,
       - Border size: 0px, no borders
       - Style: You select a style from the 8 styles proposed,
   
• Radius of rounded corners: a size in pixels, e. g. 6px, this will depend on the size of the area. 0px, no rounded corners.