change media query for a rule

gulp/res/css/style.css

@@ -1398,12 +1398,15 @@ row.wrap.sb .col {
 	}
 }
 
-@media only screen and (max-width: 600px) {
 
+@media only screen and (min-width: 600px) {
 	/* not-completely-shit way to "fix" short text squishing on single file posts */
 	.post-files:not(.fn) + .post-message {
 		min-width: 40em;
 	}
+}
+
+@media only screen and (max-width: 600px) {
 
 	.ct-r2 .catalog-thumb.small {
 		max-width: 32px;