.header {
    min-height:300px;
    padding-top:30px;
    background:url("../backgrounds/BLOCKS.png") center top / cover no-repeat fixed transparent;
    padding-bottom:20px;
}
img.image1 {
    height: auto;
    display:inline-block;
    width:150px;
    margin-left:auto;
    margin-right:auto;
}
@media only screen and (min-width : 768px) {
    img.image1 {
        margin-right: auto;
    }
    .header {
        min-height: 138px;
    }
}
@media only screen and (min-width : 1024px) {
    img.image1 {
        margin-right: auto;
        display:block;
    }
    .header {
        min-height: 138px;
    }
}