You don't need to edit the script to change any of that. The text in the description is in an element with a class of descpanelfg. So (adjust the values as you desire and/or add property/value pairs):
Code:
.descpanelfg {
color: red !important;
font-weight: bold !important;
font-size: 19px !important;
}
added to a stylesheet for the page or placed in a style section in the head of the page will take care of it. Make sure to use the !important keyword as shown to override any scripted styles.
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If you want more help, please include a link to the page on your site that contains the problematic code so we can check it out.
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