Copy the module into <thelia_root>/local/modules/ directory and be sure that the name of the module is InfoBanner.
Activate it in your thelia administration panel

Composer

Add it in your main thelia composer.json file

composer require thelia/info-banner-module:~1.0

Usage

Configure the catchphrase in the module configuration page. Add the loop infobanner in your template html file

Example :

{include file="../../../local/modules/InfoBanner/templates/frontOffice/default/infobanner.html"}

{ifloop rel="infobanner"}
    <header class="fixed flex w-full uppercase md:sticky infoBannerActive"></header>
{/ifloop}