how to add phone number to header of bigcommerce stencil cornerstone

How to add phone number to header of bigcommerce stencil cornerstone?

https://forum.bigcommerce.com/s/question/0D51B00004haDJj/add-phone-number-to-header-of-site?s1oid=00D30000001FDCG&OpenCommentForEdit=1&s1nid=0DB13000000Gmw5&emkind=chatterPostNotification&s1uid=0051B00000Cdq7l&emtm=1538160705122&fromEmail=1&s1ext=0

Add phone number to header of site
Hi everybody. I am trying to add my phone number to the header of my site above gift certificates\sign in.

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