Fix lint error (bad class)

Author: hasparus

src/app/conf/2024/page.tsx

@@ -127,7 +127,7 @@ export default function Page() {
                     alt={speaker.name}
                   />
                 </a>
-                <div className="opacity-1 pointer-events-none absolute bottom-0 left-0 flex h-[40px] w-[120px] justify-center bg-[rgba(0,0,0,0.6)] text-sm transition-opacity duration-300 group-hover:opacity-100 md:h-[55px] md:w-[210px] md:text-base md:opacity-0">
+                <div className="pointer-events-none absolute bottom-0 left-0 flex h-[40px] w-[120px] justify-center bg-[rgba(0,0,0,0.6)] text-sm transition-opacity duration-300 group-hover:opacity-100 md:h-[55px] md:w-[210px] md:text-base md:opacity-0">
                   <span className="mt-2.5 font-medium md:mt-3.5">
                     {speaker.name.split(" ")[0]}
                   </span>