Purple highlight

SELECT * FROM gallery2 WHERE topic_id="1537642" UNION SELECT * FROM gallery2 WHERE topic_id="75762" UNION SELECT * FROM gallery2 WHERE topic_id="1401302" UNION SELECT * FROM gallery2 WHERE topic_id="1437362" UNION SELECT * FROM gallery2 WHERE topic_id="1174923" UNION SELECT * FROM gallery2 WHERE topic_id="1104970" UNION SELECT * FROM gallery2 WHERE topic_id="1665576" UNION SELECT * FROM gallery2 WHERE topic_id="1392972" UNION SELECT * FROM gallery2 WHERE topic_id="1342279" UNION SELECT * FROM gallery2 WHERE topic_id="1565726" UNION SELECT * FROM gallery2 WHERE topic_id="1212903" UNION SELECT * FROM gallery2 WHERE topic_id="1610346" UNION SELECT * FROM gallery2 WHERE topic_id="1543590" UNION SELECT * FROM gallery2 WHERE topic_id="648962" UNION SELECT * FROM gallery2 WHERE topic_id="1526062" UNION SELECT * FROM gallery2 WHERE topic_id="1724637"