*{
    padding: 0px;
    margin: 0px;
    font-family: 'Open Sans' ,sans-serif;
}
body{
}


@media screen {
#contentHeader{
      margin: 0px auto;
      width: 960px;

  }

#blauerKasten {
    height: 15px;
    background-color: #009fe3;
}
    #logo{
        margin: 0px auto;
      width: 960px;
    }
#logo img {
    height: 88px;
    margin-left:20px ;
    margin-right:0;
    margin-top: 15px;
    margin-bottom: 15px;
}

#flugzeugklein{
    display: none;
}

}

@media (max-width: 960px){

    #flugzeug{
       display: none;

    }
    #flugzeugklein{
        display:  none;
    }

    #luecke{
        height: 130px;
    }
    #contentHeader{
        max-width: 960px;
        width: 100%;
    }
    #logo img {
    width: 250px;
    }


    


}

@media (max-width: 768px){

    #contentHeader{
        display: none;
    }
    #blauerKasten{
        display: none;
    }

}