#tour-2 {
    float: right;
    width: 75%;
}

#tour-2 #screenshot {
    background: transparent url('images/tour-2.png') no-repeat 0 0;
    background-size: 500px 209px;
    width: 500px;
    height: 209px;
}

#tour-2 #screenshot #o1 {
    left: 340px;
    top: 1px;
}

#tour-2 #screenshot #o2 {
    left: 390px;
    top: 18px;
}

#tour-2 #screenshot #o3 {
    left: 70px;
    top: 55px;
}

#tour-2 #screenshot #o4 {
    left: 50px;
    top: 76px;
}

@media (min-resolution: 2dppx), (min-resolution: 144dpi), (-webkit-min-device-pixel-ratio: 2), (-o-min-device-pixel-ratio: 2/1) {

    #tour-2 #screenshot {
        background: transparent url('images/tour-2@2x.png') no-repeat 0 0;
        background-size: 500px 209px;
    }
}