fixing topic CSS so the h3 styles only apply to the topic title

public/css/topic.less

@@ -152,6 +152,7 @@
 	}
 
 	.main-post {
+		.main-post-buttons {
 			h3 {
 				margin: 0;
 
@@ -175,12 +176,13 @@
 				@media (max-width: 767px) {
 					display: none;
 				}
-		}
 
 				.img-thumbnail {
 					padding: 2px;
 					border-radius: 0;
 				}
+			}
+		}
 
 		.post-content {
 			min-height: 80px;