.bg-image-responsive400 { background-image: url(/fileadmin/_processed_/3/c/csm_2019_08_nuIT-001_09e3c82f34.jpg); } @media (min-width: 768px) { .bg-image-responsive400 { background-image: url(/fileadmin/_processed_/3/c/csm_2019_08_nuIT-001_1153f32622.jpg); } }  @media (min-width: 992px) { .bg-image-responsive400 { background-image: url(/fileadmin/_processed_/3/c/csm_2019_08_nuIT-001_9c1ef7a2be.jpg); } }  @media (max-width: 767px) and (-webkit-min-device-pixel-ratio: 2), (max-width: 767px) and (min-resolution: 2dppx) { .bg-image-responsive400 { background-image: url(/fileadmin/_processed_/3/c/csm_2019_08_nuIT-001_35f5b0d8d6.jpg); } }  @media (min-width: 768px) and (-webkit-min-device-pixel-ratio: 2), (min-width: 768px) and (min-resolution: 2dppx) { .bg-image-responsive400 { background-image: url(/fileadmin/_processed_/3/c/csm_2019_08_nuIT-001_1c3d387d4d.jpg); } }  @media (min-width: 992px) and (-webkit-min-device-pixel-ratio: 2), (min-width: 992px) and (min-resolution: 2dppx) { .bg-image-responsive400 { background-image: url(/fileadmin/_processed_/3/c/csm_2019_08_nuIT-001_860f2545b9.jpg); } }