Move css for graphs to graph.css and fix minor/fomatting issues.

web/static/css/graph.css

@@ -8,6 +8,8 @@ body {
 
 .graph {
         position: relative;
+        min-height: 400px;
+        overflow-x: hidden;
 }
 
 svg {
@@ -19,5 +21,4 @@ svg {
         display: inline-block;
         vertical-align: top;
         margin: 0 0 0 0px;
-        background-
 }

web/static/css/prometheus.css

@@ -35,19 +35,9 @@ input:not([type=submit]):not([type=file]):not([type=button]) {
   float: right;
 }
 
-.graph {
-  min-height: 400px;
-  overflow-x: hidden;
-}
-
-div.legend {
-  display: block;
-  overflow: scroll;
-}
-
 input {
   margin: 0;
-  border: 1px solid black;
+  border: 1px solid gray;
 }
 
 select {

web/static/js/graph.js

@@ -384,6 +384,7 @@ Prometheus.Graph.prototype.updateGraph = function(reloadGraph) {
 
   self.changeHandler();
 };
+
 Prometheus.Graph.prototype.resizeGraph = function() {
   var self = this;
   self.rickshawGraph.configure({