Make branch tree wider

Author: valerauko

public/css/main.css

@@ -60,8 +60,8 @@ body {
 
 .branches {
   min-width: 200px;
-  max-width: 260px;
-  width: 260px;
+  max-width: 300px;
+  width: 300px;
   flex: 1 1 auto;
   overflow-y: auto;
   margin-right: .5em;