CodePen Embed - EXpvJb

<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <!-- Fügt Jquery ein -->
<meta charset="UTF-8" />
<link rel="stylesheet" href="css.css">
    <script language="javascript" type="text/javascript" src="js.js"></script><!-- Fügt JavaScript ein -->
</head>
    
<body onload="myFunction()" style="margin:0;"> <!-- Funktionsaufruf für den Preloade -->

<div id="loader"></div>
<button id = "hide">Löschen</button>
<button id = "show">Anzeigen</button>
<div id="hidden"> <!-- Container zum leichteren ansteuern zum Löschen und Anzeigen des Inhaltes -->
<div style="display:none;" id="myDiv" class="animate-bottom">

  <div class="wrapper">
  <div class="sun"></div>
  <div class="cloud">
    <div class="cloud1">
      <ul>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
      </ul>
    </div>
    <div class="cloud1 c_shadow">
      <ul>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
      </ul>
    </div>
  </div>
  
  <div class="cloud_s">
    <div class="cloud1">
      <ul>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
      </ul>
    </div>
    <div class="cloud1 c_shadow">
      <ul>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
      </ul>
    </div>
  </div>
  
  <div class="cloud_vs">
    <div class="cloud1">
      <ul>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
      </ul>
    </div>
    <div class="cloud1 c_shadow">
      <ul>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
      </ul>
    </div>
  </div>
  <div class="haze"></div>
  <div class="haze_stripe"></div>
  <div class="haze_stripe"></div>
  <div class="haze_stripe"></div>
  <div class="thunder"></div>
  <div class="rain">
     <ul>
       <li></li>
       <li></li>
       <li></li>
    </ul>
  </div>
  <div class="sleet">
     <ul>
       <li></li>
       <li></li>
       <li></li>
    </ul>
  </div>
  <div class="text">
    <ul>
      <li>Überwiegend sonnig</li>
      <li>Teilweise sonnig</li>
      <li>Teilweise bewölkt</li>
      <li>Überwiegend bewölkt</li>
      <li>Bewölkt</li>
      <li>Nebelig</li>
      <li>Stürmisch</li>
      <li>Regnerisch</li>
      <li>Schnee</li>
    </ul>
  </div>
</div>
</div></div>



</body>
</html>

#hidden{
    height: auto;
}
#loader {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 1;
  width: 150px;
  height: 150px;
  margin: -75px 0 0 -75px;
  border: 16px solid #f3f3f3;
  border-radius: 50%;
  border-top: 16px solid #3498db;
  width: 120px;
  height: 120px;
  -webkit-animation: spin 2s linear infinite;
  animation: spin 2s linear infinite;
}

@-webkit-keyframes spin {
  0% { -webkit-transform: rotate(0deg); }
  100% { -webkit-transform: rotate(360deg); }
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Add animation to "page content" */
.animate-bottom {
  position: relative;
  -webkit-animation-name: animatebottom;
  -webkit-animation-duration: 1s;
  animation-name: animatebottom;
  animation-duration: 1s
}

@-webkit-keyframes animatebottom {
  from { bottom:-100px; opacity:0 } 
  to { bottom:0px; opacity:1 }
}

@keyframes animatebottom { 
  from{ bottom:-100px; opacity:0 } 
  to{ bottom:0; opacity:1 }
}

#myDiv {
  display: none;
  text-align: center;
}

@import url(http://fonts.googleapis.com/css?family=Raleway+Dots);

body{
  margin: 0;
  padding: 0;
  background: #33495f;
}

.wrapper{
  width: 150px;
  height: 300px;
  position: absolute;
  top: calc(50% - 75px);
  left: calc(50% - 75px);
}

.sun{
  position: absolute;
  bottom: 0px;
  right: 0px;
  width: 85px;
  height: 85px;
  background: #f9db62;
  border-radius: 360px;
  opacity: 1;
  animation: sun 20s 0s linear infinite;
}

.cloud{
  position: absolute;
  bottom: 12px;
  left: 8px;
  z-index: 2;
  opacity: 0;
  animation: cloud 20s 0s linear infinite;
}

.cloud .cloud1:not(.c_shadow) ul li{
  animation: cloudi 20s 0.1s linear infinite;
}

.cloud .cloud1:not(.c_shadow):before{
  animation: cloudi 20s 0s linear infinite;
}

.cloud_s{
  position: absolute;
  bottom: 70px;
  left: 150px;
  transform: scale(0.7,0.7) matrix(-1, 0, 0, 1, 0, 0);
  z-index: 1;
  opacity: 0;
  animation: cloud_s 20s 0s linear infinite;
}

.cloud_s .c_shadow{
  transform: scale(1.02,1.02);
}

.cloud_vs{
  position: absolute;
  bottom: 90px;
  left: 30px;
  transform: scale(0.5,0.5);
  z-index: 0;
  opacity: 0;
  animation: cloud_vs 20s 0s linear infinite;
}

.c_shadow{
  z-index: 4 !important;
  left: -5px;
  bottom: -3px !important;
}

.c_shadow:before{
  background: #33495f !important;
}

.c_shadow ul li{
  width: 60px !important;
  height: 60px !important;
  background: #33495f !important;
  float: left;
  position: absolute;
  bottom: -2px !important;
  border-radius: 360px;
}

.c_shadow ul li:nth-child(2){
  width: 80px !important;
  height: 80px !important;
  background: #33495f !important;
  float: left;
  border-radius: 360px;
  position: absolute;
  bottom: 16px !important;
  left: 25px !important;
}

.c_shadow ul li:nth-child(3){
  width: 70px !important;
  height: 70px !important;
  background: #33495f !important;
  float: left;
  border-radius: 360px;
  position: absolute;
  bottom: 6px !important;
  left: 60px !important;
}

.c_shadow ul li:last-child{
  width: 60px !important;
  height: 60px !important;
  background: #33495f !important;
  float: left;
  border-radius: 360px;
  position: absolute;
  bottom: 0px;
  left: 90px;
}


.cloud1{
  position: absolute;
  bottom: 0px;
  z-index: 5;
}

.cloud1:before{
  content: '';
  position: absolute;
  bottom: 0px;
  left: 28px;
  width: 90px;
  height: 20px;
  background: #fff;
}

.cloud1 ul{
  list-style: none;
  margin: 0;
  padding: 0;
}

.cloud1 ul li{
  width: 50px;
  height: 50px;
  background: #fff;
  float: left;
  border-radius: 360px;
}

.cloud1 ul li:nth-child(2){
  width: 70px;
  height: 70px;
  background: #fff;
  float: left;
  border-radius: 360px;
  position: absolute;
  bottom: 18px;
  left: 25px;
}

.cloud1 ul li:nth-child(3){
  width: 60px;
  height: 60px;
  background: #fff;
  float: left;
  border-radius: 360px;
  position: absolute;
  bottom: 8px;
  left: 60px;
}

.cloud1 ul li:last-child{
  width: 50px;
  height: 50px;
  background: #fff;
  float: left;
  border-radius: 360px;
  position: absolute;
  bottom: 0px;
  left: 90px;
}

.haze{
  background: #33495f;
  position: absolute;
  bottom: 50px;
  left: 0px;
  width: 200px;
  height: 45px;
  z-index: 6;
  opacity: 0;
  animation: haze 20s 0s linear infinite;
}

.haze_stripe{
  background: #a3b5c7;
  position: absolute;
  bottom: 75px;
  left: 20px;
  width: 115px;
  height: 10px;
  z-index: 17;
  opacity: 0;
  border-radius: 360px;
  animation: haze_stripe 20s 0.1s linear infinite;
}

.haze_stripe:nth-child(6){
  bottom: 55px;
  animation: haze_stripe 20s 0.2s linear infinite;
}
.haze_stripe:last-child{
  bottom: 35px;
  animation: haze_stripe 20s 0.4s linear infinite;
}

.thunder{
  position: absolute;
  bottom: 100px;
  left: 65px;
  width: 12px;
  height: 12px;
  background: #f9db62;
  transform: skew(-25deg);
  opacity: 0;
  animation: thunder 20s 0s linear infinite;
}

.thunder:before{
  content: '';
  position: absolute;
  top: 11px;
  left: 0px;
  width: 25px;
  height: 8px;
  background: #f9db62;
}

.thunder:after{
  content: '';
  position: absolute;
  width: 0; 
  height: 0;
  top: 18px;
  right: -14px;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  
  border-top: 20px solid #f9db62;
  transform: skew(5deg);
}

.rain{
  position: absolute;
  bottom: 0px;
  left: 25px;
}

.rain ul{
  list-style: none;
  margin: 0;
  padding: 0px;
}

.rain ul li{
  float: left;
  position: absolute;
  bottom: 50px;
  left: 50px;
  margin-left: 20px;
  background: #6ab9e9;
  height: 40px;
  width: 10px;
  border-radius: 360px;
  transform: rotate(35deg);
  opacity: 0;
}

.rain ul li:first-child{
  animation: raini 20s 0s linear infinite;
}

.rain ul li:nth-child(2){
  animation: rainii 20s 0.2s linear infinite;
}

.rain ul li:last-child{
  animation: rainiii 20s 0.4s linear infinite;
}

.sleet{
  position: absolute;
  bottom: 0px;
  left: 25px;
}

.sleet ul{
  list-style: none;
  margin: 0;
  padding: 0px;
}

.sleet ul li{
  float: left;
  position: absolute;
  bottom: 50px;
  left: 50px;
  margin-left: 20px;
  background: #fff;
  height: 40px;
  width: 10px;
  border-radius: 360px;
  transform: rotate(35deg);
  opacity: 0;
}

.sleet ul li:first-child{
  animation: raini 20s 1.2s linear infinite;
}

.sleet ul li:nth-child(2){
  animation: rainii 20s 1.6s linear infinite;
}

.sleet ul li:last-child{
  animation: rainiii 20s 1.8s linear infinite;
}

.text{
  position: absolute;
  bottom: 0px;
}

.text ul{
  list-style: none;
  margin: 0;
  padding: 0;
}

.text ul li{
  position: absolute;
  bottom: -50px;
  width: 150px;
  color: #fff;
  font-family: 'Raleway Dots', cursive;
  font-weight: 100;
  font-size: 20px;
  text-align: center;
  opacity: 0;
}

.text ul li:first-child{
  animation: fade_in 20.0s 0s linear infinite;
}

.text ul li:nth-child(2){
  animation: fade_in 20.0s 2s linear infinite;
}

.text ul li:nth-child(3){
  animation: fade_in 20.0s 4s linear infinite;
}

.text ul li:nth-child(4){
  animation: fade_in 20.0s 6s linear infinite;
}

.text ul li:nth-child(5){
  animation: fade_in 20.0s 8.0s linear infinite;
}

.text ul li:nth-child(6){
  animation: fade_in 20.0s 10.0s linear infinite;
}

.text ul li:nth-child(7){
  animation: fade_in 20.0s 12.0s linear infinite;
}

.text ul li:nth-child(8){
  animation: fade_in 20.0s 14.0s linear infinite;
}

.text ul li:nth-child(9){
  animation: fade_in 20.0s 16.0s linear infinite;
}

@keyframes sun{
  0%{
    opacity: 1;
    bottom: 35px;
    right: 35px;
  }
  4%{
    bottom: 80px;
    right: 80px;
  }
  4.5%{
    bottom: 75px;
    right: 75px;
    opacity: 1;
  }
  40%{
    opacity: 1;
  }
  41%{
    bottom: 75px;
    right: 75px;
    opacity: 0;
  }
  100%{
    opacity: 0;
    bottom: 0px;
    right: 0px;
  }
}

@keyframes cloud{
  0%{
    transform: scale(0.8);
    left: 120px;
    bottom: 35px;
    opacity: 0;
  }
  2%{
    opacity: 1;
  }
  3.5%{
    bottom: 35px;
    left: 10px;
    opacity: 1;
  }
  16%{
    transform: scale(0.8);
  }
  18%{
    transform: scale(0.95);
  }
  19%{
    transform: scale(0.9);
  }
  48%{
    opacity: 1;
    bottom: 35px;
  }
  50%{
    bottom: 70px;
  }
  64%{
    
  }
  96%{
    opacity: 1;
  }
  100%{
    opacity: 0;
    bottom: 70px;
    left: 10px;
  }
}

@keyframes cloud_s{
  0%{
    transform: scale(0.6);
    opacity: 0;
    bottom: 40px;
    left: 18px;
  }
  23%{
    opacity: 0;
  }
  24%{
    opacity: 1;
    bottom: 40px;
    left: 30px;
  }
  28%{
    opacity: 1;
    bottom: 85px;
    left: 60px;
  }
  32%{
    transform: scale(0.6);
  }
  34%{
    transform: scale(0.75);
  }
  35%{
    transform: scale(0.7);
  }
  48%{
    opacity: 1;
  }
  49%{
    opacity: 0;
  }
  100%{
    transform: scale(0.7);
    opacity: 0;
    bottom: 85px;
    left: 60px;
  }
}

@keyframes cloud_vs{
  0%{
    opacity: 0;
    bottom: 85px;
    left: 60px;
  }
  39%{
    opacity: 0;
  }
  40%{
    opacity: 1; 
    bottom: 85px;
    left: 60px;
  }
  42%{
    bottom: 125px;
    left: 10px;
  }
  43%{
    bottom: 120px;
    left: 15px;
  }
  48%{
    opacity: 1;
  }
  49%{
    opacity: 0;
  }
  100%{
    opacity: 0;
    bottom: 120px;
    left: 15px;
  }
}

@keyframes haze{
  0%{
    opacity: 0;
  }
  48%{
    height: 0px;
    opacity: 0;
  }
  49%{
    height: 45px;
    opacity: 1;
  }
  57%{
    opacity:1;
    height: 45px;
  }
  58%{
    opacity: 0;
    height: 0px;
  }
}

@keyframes haze_stripe{
  0%{
    opacity: 0;
  }
  48%{
    opacity: 0;
  }
  49%{
    opacity: 1;
  }
  56%{
    opacity:1;
  }
  57%{
    opacity: 0;
  }
}

@keyframes cloudi{
  0%{
    background: #fff;
  }
  56%{
    background: #fff;
  }
  57%{
    background: #92a4b6;
  }
  100%{
    background: #92a4b6;
  }
}

@keyframes thunder{
  0%{
    opacity: 0;
    bottom: 100px;
    left: 65px;
  }
  62%{
    opacity: 0;
    bottom: 100px;
    left: 65px;
  }
  64%{
    opacity: 1;
    bottom: 50px;
    left: 60px;
  }
  65%{
    opacity: 1;
    bottom: 55px;
    left: 61px;
  }
  72%{
    opacity: 1;
    bottom: 55px;
    left: 61px;
  }
  73%{
    opacity: 0;
  }
  100%{
    opacity: 0;
    bottom: 55px;
  }
}

@keyframes raini{
  0%{
    opacity: 0;
    bottom: 100px;
    left: 60px;
  }
  72%{
    opacity: 0;
    bottom: 100px;
    left: 60px;
  }
  73%{
    opacity: 1;
    bottom: 15px;
    left: 50px;
  }
  74%{
    opacity: 1;
    bottom: 25px;
    left: 52px;
  }
  80%{
    opacity: 1;
    bottom: 25px;
    left: 52px;
  }
  81%{
    opacity: 0;
    bottom: -15px;
    left: 6px;
  }
  100%{
    opacity: 0;
    bottom: 20px;
  }
}

@keyframes rainii{
  0%{
    opacity: 0;
    bottom: 100px;
    left: 30px;
  }
  72%{
    opacity: 0;
    bottom: 100px;
    left: 30px;
  }
  73%{
    opacity: 1;
    bottom: 15px;
    left: 20px;
  }
  74%{
    opacity: 1;
    bottom: 25px;
    left: 22px;
  }
  80%{
    opacity: 1;
    bottom: 25px;
    left: 22px;
  }
  81%{
    opacity: 0;
    bottom: -15px;
    left: -6px;
  }
  100%{
    opacity: 0;
    bottom: 20px;
  }
}

@keyframes rainiii{
  0%{
    opacity: 0;
    bottom: 100px;
    left: 0px;
  }
  72%{
    opacity: 0;
    bottom: 100px;
    left: 0px;
  }
  73%{
    opacity: 1;
    bottom: 15px;
    left: -10px;
  }
  74%{
    opacity: 1;
    bottom: 25px;
    left: -8px;
  }
  80%{
    opacity: 1;
    bottom: 25px;
    left: -8px;
  }
  81%{
    opacity: 0;
    bottom: -15px;
    left: -28px;
  }
  100%{
    opacity: 0;
    bottom: 20px;
  }
}

@keyframes fade_in{
  0%{
    opacity: 0;
  }
  8%{
    opacity: 1;
  }
  9%{
    opacity: 1;
  }
  11%{
    opacity: 1;
  }
  12%{
    opacity: 0;
  }
  100%{
    oapcity: 0;
  }
}

function myFunction() {
    myVar = setTimeout(showPage, 3000);
} // Setzt Interval auf 3 Sekunden für das Preloaden 

function showPage() {
  document.getElementById("loader").style.display = "none";
  document.getElementById("myDiv").style.display = "block";
}

$("#hiddendiv").hide();
$("a").on("click", function(e){
    e.preventDefault();
$("#hiddendiv").toggle();
});
//Button zum Raus und Reinbringen
$(document).ready(function(){
    $("#hide").click(function(){
        $("#hidden").hide();
    });
    $("#show").click(function(){
        $("#hidden").show();
    });
});

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