Accordion Messing Up Site When Expanded

Site URL: https://www.altso.org/rocktoberfestnyc#bands

Hello! 

We are using the accordion feature to highlight band lineup for our charity's fundraising event. 

Under each accordion is a band bio of varying length. 

However, when the accordion items are clicked on, expanding the description, the rest of the site (from the accordion to the bottom of the page) gets messed up and affects the layout and background colors etc

Only way to fix is to refresh. 

Our page is an index

Thanks in advance for the help!