.bu-thumbnail-java[data-v-f6b598bd]{background-image:url(./course-list-thumbnail-java.CYWQazfX.webp)}.bu-thumbnail-python[data-v-f6b598bd]{background-image:url(./course-list-thumbnail-python.DWPu07dt.webp)}.bu-thumbnail-ai[data-v-f6b598bd]{background-image:url(./course-list-thumbnail-generative-ai.C4mkE2-l.webp)}