CSS displaying as code

My site at chilliwackmusic.com is having problems with this theme that only started after the recent WordPress update. It appears to be displaying the CSS as code, and not actually displaying any of the styles.

Example:

Start the path to a better, healthier and more expressive voice today!

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Cost

[clear] The cost of lessons depends on the teacher’s rate, the length of time per lesson, and the number of lessons left in the term. In 2015-16 the cost of lessons is
$27.50 per half hour.

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Registration

[clear] Contact administration at [email protected] or 604.792.0790 (ext. 1) to register for lessons or group
class. Payment for the whole term is arranged upon registration.

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Scheduling

[clear] The Registrar will help find a day and time that is suitable for both you and the teacher. Your slot is reserved once payment has been arranged. Slots are booked on a first-come first-served basis.

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Exams and Recitals

[clear] Our instructors can help you prepare for examinations, such as in the Royal Conservatory or Conservatory Canada. Students are also given many
opportunities to perform throughout the year.

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Free Meet & Greet

[clear] Most instructors are happy to arrange a complimentary meeting with prospective students to make sure they are a good personality match.
Contact us for more information.

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