yes, seem to be header...but is simple html!!
<link href="https://fonts.googleapis.com/css2?family=Mukta:wght@200&display=swap" rel="stylesheet">
<header>
<section>
<div class="line">
<div class="logo">
<a href="https://flarum.it"><img src="https://flarum.it/assets/logo-ixhepxvy.png" alt="Flarum Italia" class="logo"/></a>
</div>
<div class="slogan"><h1>Flarum, il software per creare community in maniera divertente.</h1></div>
<div id="containerbtn">
<button onclick="location.href='https://flarum.it/t/testa-flarum'" type="button" class="myButton" type="button" id="button1">Provalo ora!</button>
<button onclick="location.href='https://docs.flarum.org/it/'" class="myButton" type="button" id="button2">Documentazione</button>
</div>
</section>
</header>