The grouping of style attributes for some page elements can be found within class selectors. These class selectors, or classes, are identified by a preceding dot in the class title. An example of a style sheet class can be found below.
.bold {
font-weight: bold;
color: green;
}
Any HTML element that utilizes this class will display the text as green, bolded text. The color attribute can be set to explicit colors (Example: red, blue, green), or it can be assigned a hexadecimal color value.