css: bring back arrows, display replies as table

- setting display: table on replies makes them reflow the same way
  as 4chan, where the reply will be right up against the OP body, and
  the OP image can actually extend down past the top of the reply.

stylesheets/style.css

@@ -1,7 +1,12 @@
 /*Lainchan*/
 
-div.sidearrows{
+div.sidearrows {
     display:none;
+    color: #b7c5d9;
+    float: left;
+    margin-right: 2px;
+    margin-top: 0;
+    margin-left: 2px;
 }
 
 img {
@@ -525,7 +530,7 @@ div.post.reply {
   border-width: 1px;
   border-style: none solid solid none;
   border-color: #B7C5D9;
-  display: inline-block;
+  display: table;
   max-width: 94%!important;
 }