header.php

<div class="header">

  <div onclick="topFunction()" id="top_btn" title="Go to top"></div>

  <div id="mobile_trigger">
    <a id="mobile_trigger_on" href="#mobile_trigger">MENU</a>
    <a id="mobile_trigger_off" href="#">MENU</a>
  </div>
  
  <div class="mobile_menu">
    <div class="navbar">      
      <ul>
        <li><a href="index.php">Home</a> </li>
        <li><a href="#nowhere" tabindex="-1">Leistungen</a>
          <ul id="list">
            <li><a href="digital_design.php"  tabindex="-1">Digital-Design</a> </li>
            <li><a href="corporate_design.php" tabindex="-1">Corporate-Design</a> </li>
            <li><a href="branding_kampagnen.php" tabindex="-1">Branding & Kampagnen</a> </li>
            <li><a href="neue_technologien.php"  tabindex="-1">Neue Technologien</a> </li>
          </ul>
        </li>
        <li><a href="#nowhere" tabindex="-1">Cases</a>
          <ul id="list">
            <li><a href="waschen_wie_walter.php"  tabindex="-1">Waschen wie Walter</a> </li>
            <li><a href="degewo_energierechner.php"  tabindex="-1">Energierechner</a> </li>
            <li><a href="gamification.php"  tabindex="-1">Gamification</a> </li>
            <li><a href="edlen_yuman.php"  tabindex="-1">Edlen Yuman</a> </li>
          </ul>
        </li>        
        <li><a href="about.php">Über mich</a> </li>
        <li><a href="contact.php">Kontakt</a> </li>
      </ul>
      <div class="mobile_menu_bottoms">
        <div class="mobile_submenu"><a href="datenschutz.php">Datenschutz</a></div>
        <div class="mobile_submenu"><a href="impressum.php">Impressum</a></div>
        <div class="mobile_submenu"><a href="agb.php">AGB</a></div>
      </div>        
    </div>
 
  </div>

  <a style="display:block;" href="index.php">
    <div class="logo"></div>
  </a>


  <div id="navbar">
    <div class="nav_li"><a href="index.php?page=kunden">Kunden</a></div>
    <div class="nav_li"><a href="index.php?page=projects">Projekte</a></div>
    <div class="nav_li"><a href="#">Dokumente</a></div>
    <div class="nav_li"><a href="about.php">EÜR</a></div>
  </div>  

</div>