Turn "Hamburger" Mobile Menu off

Try this for centering the logo:

#sticky-navigation .inside-navigation {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}
#sticky-navigation .inside-navigation .sticky-logo {
    margin-left: auto;
    margin-right: auto;
}
#sticky-navigation .inside-navigation .sticky-logo .header-image {
    left: 50%;
}

That did the trick! Yoohoo!

Thanks again, David!

Resolved.

Glad to hear that!