fixing compatibility with dark themes

public/css/topic.less

@@ -6,7 +6,6 @@
 	clear: both;
 
 	.profile-image-block {
-		background: white;
 		display: inline-block;
 		text-align: center;
 		font-size: 12px;
@@ -22,14 +21,13 @@
 	}
 
 	.profile-block, .post-block {
-		border: 1px solid #f0f0f0;
+		border: 1px solid rgba(0, 0, 0, 0.06);
 		border-radius: 5px;
-		
 		padding: 10px;
 	}
 
 	.profile-block {
-		background: #fafafa;
+		background: rgba(0, 0, 0, 0.02);
 		margin-right: -11px;
 		margin-left: -11px;
 		margin-bottom: -11px;
@@ -62,7 +60,7 @@
 				padding-left: 15px;
 				padding-right: 15px; 
 				border: none;
-				border-left: 1px solid #f0f0f0;
+				border-left: 1px solid rgba(0, 0, 0, 0.06);
 				cursor: pointer;
 				background: none;
 				font-size: 12px;
@@ -77,7 +75,6 @@
 				//theme this to make it yellow eventually
 			}
 		}
-		background: #fff;
 	}
 
 	&.deleted {