Simply, Go to Teamo > Themes Options > General Settings:
[1] Main Logo: Logo of theme.
[2] Menu Logo: Logo sticky menu and canvas menu.
[3] Main color: Main color of theme.
[4] Google Map API: Key API of google map ( click how to get for find the key ).
[5] Use image Lazy Load: Enable Lazyload for image, help load page faster, saving bandwidth.
[6] Save Changes: Click on “Save Changes” to save all your modifications on Teamo Options.