This allows you to display and manage your custom map and implement your own map skin.You can customize the style or theme of the Google maps.
Step 1To change Theme of the map , For this click on snazzymaps.com
Step 2 Once you have found your desired map style, copy all the JSON code from left side.

Step 3Go to WC Store Locator > Settings and paste json code to “Google Maps Style”.

Step 4Click on Save Settings and open it in browser.

and you’re done

Video Tutorial