.header {
    min-height:300px;
}
img.image1 {
    display:block;
    margin-left:auto;
    margin-right:auto;
    z-index:9999;
    border-color:#FFFFFF;
    border-style:solid;
    border-width:1px;
    padding:5px;
    margin-top:5px;
    border-radius:5px;
    height:auto;
}
@media only screen and (min-width : 768px) {
    .header {
        min-height: 0px;
    }
    img.image1 {
        height:105px;
    }
}
@media only screen and (min-width : 1024px) {
    .header {
        min-height: 0px;
    }
    img.image1 {
        height:105px;
    }
}