Read the following context and choose the best option to answer the question.
Context: Wanting a lighter gray for the lines , I promoted the gray ( # 808080 ) color of the theme to a main color by double clicking it and chose a lighter gray . Finally I created a new style sheet with the new colors . In the whole process I found that Chris Pederick 's Web Developer Extension for Firefox invaluable .
Question: Why did he make a new style ?
Options: 
A. To use the Web Developer Extension for Firefox .
B. To change the colors .
C. None of the above choices .
D. He wanted to make the color by double clicking it .


B