To change the style of a specific option, within a calculator, you will need to follow this example below.

1. Edit the option you want to style with custom CSS.
   
2. Click Show Advanced (advanced settings will be shown)
   
3. Add a Class Name to the option.

2. Add the following code to yourCalculator Styles section.

• Substitute “yourclassname” with the Class Name you gave your option in step 1.

.yourclassname {
 /* your css styles here */

}

• Change the size of a Swatch Option

.yourclassname .swatch.swatch-image{
  width: 55px !important;
  height: 55px !important;
}