It creates a red and black gradient for the background in Firefox, as shown in Figure 3. When you put all of this together, the CSS class might look like the code in Listing 1. Notice the fallback ...

BR>But I want the background ... the color to blue when you click on the checkbox, but I don't know how to change it back to white if you click it again (uncheck it)<BR><BR>here's my code so ...

The “Named Colors” section of the CSS Color Module Level 4—the latest ... e.g., #FFFF00) or an RGB color code (e.g., 255,255,0). These options allow a greater degree of choice and precision ...

WordPress' built-in editor has an HTML mode that lets you override the background color of a post by changing its CSS (Cascading Style Sheet) background-color attribute to the color of your choice.

Back in 2012, Mozilla launched Thimble, an online code editor for teaching the basics of HTML, CSS and JavaScript ... choice of light and dark themes, a color picker and easier access to files ...