The Text Style option allows you to make changes to a lot more than just text. This is where you can customize links, headings, buttons, and standard text throughout the site.
Text Style can be found usually be found in the Design section under the Style option. Clicking on any of the three buttons under the label Text Style will bring up the Text Style window. The three categories that the buttons will bring you to are Text & Links, Heading, and Buttons.
Text & Links
This section allows you to edit the color and style of text and links throughout the site.
The Text field and the Link field allow you to change the color of the text and the links separately on a site-wide basis. Click on the box next to the title of the element you would like to change to a different color. This will give you the color selector. The selector will have a number of colors to choose from under the title Site's Colors, a selection of recently used colors, an Opacity meter which you can use to set how transparent an element's color is, and finally a More Colors color wheel link.
The More Colors option allows you to pick any color in the spectrum or input RGB or HEX codes.
When you are satisfied with your color, hit done in the color wheel or simply click on it from the Site's Colors or the Recent Colors.
This toggle switches link underlining on or off. Turning this on will underline all links throughout the site while turning it off will leave them without underlines only distinguishable by their color.
Changes the font of all text throughout the site.
Changes the size of all text throughout the site.
This allows you to change the color and size of heading elements in the site. Heading 1 through Heading 4 are all available and modifiable here. The text size can be modified using the slider or by changing the value in the box. The colors can be changed in the same manner as the text and links above.
Change the background color of the buttons throughout your site, place a background image in the button (on top of a color) or apply a uniform border around all buttons on the site.
Click in the color box then follow the instructions above to change the color of the background.
Click choose to the right of the Background Image text to start picking an image to be used over top of the background color of the buttons throughout the site.
Clicking this brings up the customize background option, you can read more about how to use this to apply an image here.
Choose a color and width of the border around all buttons in the site. Click the box to the left of Border then use the color picker instructions above to change the color of the border.
Use the slider or change the number in the box to create a border of that width around every button in the site.