JSFiddle - React, Tailwind, and code Playground

by Kajus

HTML

<html>

  <head>
    <link rel="stylesheet" href="style.css">
  </head>

  <body>

    <header>
      <div class="notice-wrap">
        <p class="notice">
          Diese Webseite befindet sich im Ausbau. Informieren Sie den Administrator <a href="mailto:xxxxx">per E-Mail</a> bei Unannehmlichkeiten.
        </p>
      </div>

      <div class="ul-wrap">
        <ul class="mainmenu">
          <li><a class="active" href="#about">About</a></li>
          <li><a href="#contact">Contact</a></li>
          <li><a href="#news">News</a></li>
          <li><a href="#countdown"> Countdown</a></li> 
        </ul>
      </div>
    </header>

    <div class="maincontent">
      <div class="container">

        <div class="image-wrap">
          <img src="https://i.pinimg.com/736x/5f/a1/d5/5fa1d57e59c7b86b57ae330303b26cfa--silverware-holder-christmas-knitting-patterns.jpg" alt="Weihnachtsbild" class="image" />

          <div class="overlay">
            <div class="text"> Lorem </div>
          </div> 
        </div>

        <div class="image-wrap">
          <img src="http://www.usclimateplan.org/wp-content/uploads/2018/11/small-christmas-tree-4k-hd-desktop-wallpaper-for-ultra-tv-authentic-hd-xmas-wallpapers-positive-3.jpg" alt="Weihnachtsbild" class="image" />

          <div class="overlay">
            <div class="text"> Lorem </div>
          </div> 
        </div>

      </div> <!-- container -->
    </div>
  </body>
</html>

CSS

header {
  display:block;
  position:fixed;
  top:0;
  width:100%;
  overflow:hidden;
}
.maincontent {
  margin-top:180px;
}

.notice-wrap {
  display:block;
  padding:10px 0;
  background:#333;
  color:#FFF;
}
.notice {
  line-height:100%;
  margin:0;
}
.notice a {
  color:#FFF;
}
.ul-wrap {
  display:block;
  text-align:right;
  background: #333;
}
ul.mainmenu {
  display:inline-block;
  list-style-type: none;
  padding: 0;
  margin: 0;
  overflow: hidden;
  background: #333;
  opacity: 0.65;
}
ul.mainmenu li {
  float: left;
}
ul.mainmenu li a {
  display: inline-block;
  color: #f1f1f1;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}
ul.mainmenu li a:hover:not(.active){
  background-color: #111;
}
ul.mainmenu .active {
  background-color: #4CAF50;
}