*{
    box-sizing: border-box;
    margin: 0px;
    padding: 0px;
}

header{
    font-family: Arial, Helvetica, sans-serif;
}

.header-content-upper{
    display: flex;
    flex-direction: column;
    background-color: black;
}

#header1{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    margin-top: 5px;
}

#headerpic{
    height: 100%;
    width: 100%;
    border: white solid 5px;
}

#header-icons{
    display: flex;
    flex-direction: row;
    list-style: none;
    align-items: center;
}

#header-icons a{
    margin: 5px;
}

#header2{
    display: flex;
    flex-direction: row;
    list-style: none;
    margin: 10px;
    margin-top: 30px;
    justify-content: center;

}

#header2 a{
    text-decoration: none;
    color: white;
    font-family: Arial, Helvetica, sans-serif;
    font-weight: 600;
    font-size: 25px;
    margin: 5px;
}

nav li:hover{
    text-decoration: underline;
}

#header3 a{
    margin: 5px;
    display: flex;
}

.header-content-downer{
    display: flex;
    justify-content: center;
}

.header-content{
    display: flex;
    flex-direction: column;
    align-self:center;
    align-items: center;
    justify-content: space-between;
}

body{
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main{
    display: flex;
    flex: 1 0 auto;
    flex-direction: column;
    font-family: 'Courier New', Courier, monospace;
    justify-content: center;
    text-align: center;
    font-size: 20px;
    padding: 50px 5%;
    height: 50%;
}

main h2{
    font-family: 'Courier New', Courier, monospace;
    font-weight: 800;
    font-size: 30px;
    text-align: center;
    height: 150px;
    margin: 5px;
}

main h1{
    margin: 10px;
}

.galerie-content{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.galerie1{
    height: 300px;
    width: 300px;
    border: white solid 5px;
}

.maincontent a{
    font-weight: 600;
    color: black;
    font-style: normal;
    margin: 10px;
}

footer{
    display: flex;
    flex-direction: column;
    text-align: center;
    justify-content: center;
    background-color:black;
    color:white;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.7em;
    height: 80px;     
}

footer div{
    margin: 5px;
}

footer a{
    color: white;
    text-decoration: none;
    font-weight: 300;
}

/* Tablet*/

@media screen and (min-width: 600px) and (max-width:960px) {
    .header-content-downer{
        background-image: url(../img/Logo_und_Background/background1.jpg);
    }

    .header-content{
        width: 60%;
        padding: 3px;
    }

    .header-content h2{
        background-color: white;
        height: max-content;
    }

    #headerpic{
        height: 50%;
        width: 50%;
        border: white solid 20px;
    }

    .galerie-content{
        width: 100%;
    }

    .galerie1{
        width: 400px;
        height: 400px;
    }

    main{
        padding: 10%;
    }
}

/*Desktop*/
@media screen and (min-width: 960px){

    .header-content-downer{
        background-image: url(../img/Logo_und_Background/background1.jpg);
    }

    .header-content{
        padding: 3px;
    }

    .header-content h2{
        background-color: white;
        height: max-content;
    }

    #headerpic{
        height: 50%;
        width: 50%;
        border: white solid 30px;
    }

    .galerie1{
        width: 400px;
        height: 400px;
    }

    footer{
        font-size: 0.8em;
    }

}