@charset "utf-8";
/* CSS Document */

header{
    position:relative;   
}

/* Burger-Item */
#burgerButton{
    position:absolute;
    right:20px;
    top:20px;
    line-height:30px;      
    cursor: pointer;
    font-size:1.4em;
    padding-top:12px;
    float:left;
    width:30px;
    display:none;
}
#nav-icon {
  display:inline-block;
  vertical-align:middle;
  width: 30px;
  height: 20px;
  position: relative;
  -webkit-transform: rotate(0deg);
  -moz-transform: rotate(0deg);
  -o-transform: rotate(0deg);
  transform: rotate(0deg);
  -webkit-transition: .5s ease-in-out;
  -moz-transition: .5s ease-in-out;
  -o-transition: .5s ease-in-out;
  transition: .5s ease-in-out;
  cursor: pointer;
  margin-right:20px;
}
#nav-icon span {
  display: block;
  position: absolute;
  height: 4px;
  width: 100%;
  background: #1e5a71;
  border-radius: 9px;
  opacity: 1;
  left: 0;
  -webkit-transform: rotate(0deg);
  -moz-transform: rotate(0deg);
  -o-transform: rotate(0deg);
  transform: rotate(0deg);
  -webkit-transition: .25s ease-in-out;
  -moz-transition: .25s ease-in-out;
  -o-transition: .25s ease-in-out;
  transition: .25s ease-in-out;
}
#nav-icon span:nth-child(2),#nav-icon span:nth-child(3) {
  top: 7px;
}

#nav-icon span:nth-child(4) {
  top: 14px;
}

#nav-icon.open span:nth-child(1) {
  top: 7px;
  width: 0%;
  left: 50%;
}

#nav-icon.open span:nth-child(2) {
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  -o-transform: rotate(45deg);
  transform: rotate(45deg);
}

#nav-icon.open span:nth-child(3) {
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  -o-transform: rotate(-45deg);
  transform: rotate(-45deg);
}

#nav-icon.open span:nth-child(4) {
  top: 10px;
  width: 0%;
  left: 50%;
}
/* BURGER ENDE */

@media only screen 
and (max-width : 1000px){
    
    body{
        background-size:100% auto;   
    }
    
    .websiteSize{
        width:750px;   
        padding-left:10px;
        padding-right:10px;
    }

    nav#mainnav{
        float:none; 
        margin:0px;  
    }
    nav#mainnav ul{
        padding:0px;
        margin:0px;
        padding-left:9px;
        margin-top:10px;
    }
    nav#mainnav ul li a{
        color:#1e5a71;
        font-size:1.3em;
        padding-right:20px;
    }
    h1{
        width:90%; 
        margin-left:0px;
        padding-left:5px;
        padding-right:5px;
        font-size:1.3em;
    }  
    footer{
        background-size:80% auto;
        background-repeat:no-repeat;   
    }
    img.bildUndTextBild{
        width:35%;   
    }
    .bildUndTextText{
        font-size:1.2em;   
    }
    article#mainContent{
        padding-top:30px;
    }
}
@media only screen 
and (max-width : 780px){
    
    body{
        background-size:90% auto;   
    }
    header{
        height:auto;   
    }
    img#logo{
        margin-top:10px;
        margin-left:10px;   
    }
    .websiteSize{
        width:100%;
    }
    #burgerButton{
        display:block;
    }
    img.bildUndTextBild, .bildUndTextText, h1{
        width:100%;
        float:none;
    }
    nav#mainnav{
        display:none;
        background-color:#1e5a71;
        padding:5px;
    }
    nav#mainnav ul li{
        float:none;
        display:block;
        padding-bottom:5px;
        padding-top:5px;
    }
    nav#mainnav ul li a{
        width:100%;
        color:#fff;
        font-size:1.4em;
    }

    .bildergalerie{
        display:flex;
        flex-wrap:wrap;
        justify-content:space-between;   
    }
    
    .bildergalerie img{
        width:100%;
    }
    .bildergalerie a{
        width:48%;   
    }
    
    .bildergalerie a:nth-of-type(3n-1) img{
        margin-left:0px;
        margin-right:0px;
    }
}

@media only screen 
and (max-width : 650px){
    .websiteSize{
        width:450px;
    }
    
    body{
        background-image:none;   
    }
    
    header{
        text-align:center;   
    }
    footer nav{
        padding-top:18px;        
    }
    .bildergalerie a{
        width:100%;   
    }
}