Store Locator Map is Full-Width

Problem

The store locator results and map is stretched from side to side.

Solution

1. From the Store Locator app, click on the Settings → Display Settings tabs, found at the top.
2. Scroll down to the bottom of 'Step 1 - Basic Text'. Here you will find 2 large text boxes: Page Header HTML and Page Footer HTML'
3. In the Page Header HTML box, add this code.
   

   <style>
    #col-main { 
    width: 1000px; 
    margin: 0 auto; 
    } 
    </style>

   Here's what the end result would look like: