1. Choose Admin>Groups
2. Select your Group > Edit Group -button
3. Select Header / Footer / Tabs / Boxes
4. Select Exclude System Level Header
5. Select Display this HTML
   1. HTML is same as in HULib Research Guides, except
   2. ResearchGuides logo is replaced by HCE logo

<div class="pull-right">
    <h1 class="logo-title">
    <img src="https://libapps-eu.s3.amazonaws.com/accounts/162164/images/HCE_logo_testi_007.png">
    </h1>
    </div>
and mobile version
<div class="custom-header logo-mobile container hidden-sm hidden-md hidden-lg">    
    <img src="https://libapps-eu.s3.amazonaws.com/accounts/20626/images/logo-mobile.png">    

    <h1 class="logo-title-mobile">
<img src="https://libapps-eu.s3.amazonaws.com/accounts/162164/images/HCE_logo_mobile_007.png">
    </h1>
</div>