html, body {
  margin:0;
  padding:0;
  height: 100%;
  text-align: left; 
  font-family: Arial, sans-serif;
  background: url("/pic/wave.png");
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-position: bottom 30px right;          
}
h1 {
font-size: 2em;
}
h2 {
font-size: 1.5em;
}
section {
/*  min-height: 100vh;*/
  padding-top:65px;
  padding-left:65px;
  padding-right:65px;
  padding-bottom:0px;
}

.first-section {
  /*  min-height: 100vh;*/
    padding-top:65px;
    padding-left:65px;
    padding-right:65px;
    padding-bottom:0px;
  }
.last-section {
  /*  min-height: 100vh;*/
    padding-top:65px;
    padding-left:65px;
    padding-right:65px;
    padding-bottom:65px;
  }


a {text-decoration: none;}

footer {
  
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    background-color: #999999;
    color: white;
    text-align: center;
    padding-left: 0px;
    padding-right: 0px;
    padding-top: 10px;
    padding-bottom: 10px;
    vertical-align: middle;
    height: 30px;
      
}

header {
  width: 100%;
  height: 65px;
  top: 0;
  left: 0;
  z-index: 12;
  position: fixed;
  text-align: center; /* Änderung: Zentriert die Kinder horizontal */
  background-color: #fff;
  border-bottom: 1px solid black;
    
  
}

header ul {
  padding: 0;
  display: inline-block; /* Änderung: Setzt die Breite der UL auf die Breite ihres Inhalts */
  max-width:1200px;
  
}

header li {
  list-style: none;
  display: inline-block;
  margin-right: 10px;
  padding: 5px 10px;
  background: #ffffff33;
}
/* unvisited link */
header li a:link {
  color: #000;
}

/* visited link */
header li a:visited {
  color: #000;
}

/* mouse over link */
header li a:hover {
  color: #000;
}

/* selected link */
header li a:active {
  color: #000;
}

.content {
  max-width:1200px;
  margin:auto;
  opacity: revert;

}


.about_me {
  position: relative;
}

.about_me img { float: right; margin-left:20px;
  padding-bottom: 30px; width:390px;

}
.icon { width: 30px}


body{
  font-size:16px
}
.gallery {
  max-width:1200px;
  margin:auto
}


ul .flag {
  max-width: 20px;
  height: 12 px;
  margin-right: 5px;
}

.countrylist {
  display: flex;
  flex-wrap: wrap;
}

.continent {
  width: 33.33%; /* 100% / 6 Spalten */
  box-sizing: border-box;
  /*padding: 0 10px;*/
  padding-top: 0px;
  padding-right: 10px;
  padding-bottom: 0px;
  padding-left: 0px;
}

.countrylist ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
  align-items: flex-start; 
}

.countrylist li {
  margin-bottom: 10px;
  align-items: flex-start; 
  display: flex;
  gab: 20px;
  
}

.countrylist li img {
width: 20px;
height: auto;
}

.two-columns {
  columns: 2;

}

@media only screen and (max-width: 768px) {

  html, body
  {
    margin:0;
    padding:0;
    height: 100%;
    text-align: left; 
    font-family: Arial, sans-serif;
    background-image: none;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-position: bottom 0px right;          
  }
  
  
  .continent {
      width: 100%;
  }
  .about_me img { 
    width: 100%;
  }
  .two-columns {
    columns: 1;
  }
  section {
    padding-left: 15px;
    padding-right: 15px;
    padding-top: 15px;
    padding-bottom: 15px;
    }

    .first-section {
        padding-top:65px;
        padding-left:15px;
        padding-right:15px;
        padding-bottom:15px;
      }

  .last-section {
    padding-top:65px;
    padding-left:15px;
    padding-right:15px;
    padding-bottom:15px;
  }
    
  footer {
    opacity: 0;
  }
}