You can also change the size of the font. I beg of you, do not use teeny tiny font sizes. Some of your readers are over 50, myopic, astigmatic and decrepit. Have pity on us. You can choose either a larger or smaller font size here.
Color is also an option.
To select the color of text you want , click the down arrow to the right of the box that shows a black square now. Either select the color before you begin typing, or highlight the text whose color you want to change and then choose the color. You can also use combinations of these. To begin a bullet list, simply click on the bullet button pictured above. At some point, you will reach the end of your list, but have an extra bullet.