@media (min-height: 0) {
    img.thumbnail {
        margin-top: 70px;
        margin-bottom: 30px;
        max-height: 260px;
    }
}

@media (min-height: 600px) {
    img.thumbnail {
        margin-top: 70px;
        margin-bottom: 30px;
        max-height: 460px;
    }
}

@media (min-height: 700px) {
    img.thumbnail {
        margin-top: 70px;
        margin-bottom: 30px;
        max-height: 560px;
    }
}

@media (min-height: 800px) {
    img.thumbnail {
        margin-top: 70px;
        margin-bottom: 30px;
        max-height: 660px;
    }
}

@media (min-height: 900px) {
	img.thumbnail {
        margin-top: 70px;
        margin-bottom: 30px;
        max-height: 760px;
    }
}

@media (min-height: 1000px) {
    img.thumbnail {
        margin-top: 70px;
        margin-bottom: 30px;
        max-height: 860px;
    }
}