Why the menu and logo are sliding up?

Hello there.
I am having trouble with the site studiosinergia.net.br
The menu and logo go up and the logo become half shown…
Can anybody help?

Hi,

Looks like the issue is because your css code, please remove this code:

#masthead.site-header.fixed {
    padding: 0;
    height: 150px;
    vertical-align: bottom;
}

Or, if you need more space for the menu bar, you can use this code:

#masthead.site-header.fixed {
    padding-top: 40px;
}

Regards,
Awan

Bullseye!
Thanks Awan!