Dropdown: Options do not show correctly

I am using a drop down to select the product quantity, however, when the user selects the quantity, only the very top portion of the number shows in the window and the user is unable to see the number selected.  Is there a way to make the quantity window bigger?

Adding the following CSS code will fix your issue:

.form-dropdown{
  height: 35px !important;
}

For example:

Instructions here:

How-to-Inject-Custom-CSS-Codes