How do I place logo and header navigation on same line using bigcommerce cornerstone stencil theme?

using the Cornerstone theme and have left aligned my logo and header navigation. How do I place them both on the same line?

https://support.bigcommerce.com/s/question/0D71B000005aBte/how-do-i-place-logo-and-header-navigation-on-same-line?s1oid=00D30000001FDCG&s1nid=0DB13000000Gmw5&emkind=chatterCommentNotification&s1uid=0051B00000Cdq7l&emtm=1565034235875&fromEmail=1&s1ext=0

paste below css into footer script