.bg-image-responsive632 { background-image: url(/fileadmin/_processed_/3/f/csm_Unterrichtstiatuation_Spiegel_a7ae353fc9.jpg); } @media (min-width: 768px) { .bg-image-responsive632 { background-image: url(/fileadmin/_processed_/3/f/csm_Unterrichtstiatuation_Spiegel_2cd0f55846.jpg); } }  @media (min-width: 992px) { .bg-image-responsive632 { background-image: url(/fileadmin/user_upload/Unterrichtstiatuation_Spiegel.jpg); } }  @media (max-width: 767px) and (-webkit-min-device-pixel-ratio: 2), (max-width: 767px) and (min-resolution: 2dppx) { .bg-image-responsive632 { background-image: url(/fileadmin/_processed_/3/f/csm_Unterrichtstiatuation_Spiegel_3f14b2f348.jpg); } }  @media (min-width: 768px) and (-webkit-min-device-pixel-ratio: 2), (min-width: 768px) and (min-resolution: 2dppx) { .bg-image-responsive632 { background-image: url(/fileadmin/_processed_/3/f/csm_Unterrichtstiatuation_Spiegel_5225944985.jpg); } }  @media (min-width: 992px) and (-webkit-min-device-pixel-ratio: 2), (min-width: 992px) and (min-resolution: 2dppx) { .bg-image-responsive632 { background-image: url(/fileadmin/user_upload/Unterrichtstiatuation_Spiegel.jpg); } }