Final tweaks to light theme (Closes #77)

src/css/less/grafana.less

@@ -214,23 +214,22 @@
   }
 }
 
+.grafana-target:last-child {
+  border-bottom: 1px solid @grafanaTargetBorder;
+}
 
 .grafana-target-inner-wrapper {
   width: 100%;
 }
 
 .grafana-target-inner {
-  border-top: 2px solid @grafanaTargetBorder;
-  border-left: 2px solid @grafanaTargetBorder;
-  border-right: 2px solid @grafanaTargetBorder;
+  border-top: 1px solid @grafanaTargetBorder;
+  border-left: 1px solid @grafanaTargetBorder;
+  border-right: 1px solid @grafanaTargetBorder;
   background: @grafanaTargetBackground;
   width: 100%;
 }
 
-.grafana-target-inner:last-child {
-  border-bottom: 2px solid @grafanaTargetBorder;
-}
-
 .grafana-target-onoff {
   display: inline-block;
   padding: 5px 7px;
@@ -251,7 +250,7 @@
   padding: 5px 7px;
   display: inline-block;
   font-weight: normal;
-  border-right: 2px solid @grafanaTargetSegmentBorder;
+  border-right: 1px solid @grafanaTargetSegmentBorder;
   color: @grafanaTargetColor;
   display: inline-block;
 

src/css/less/overrides.less

@@ -557,12 +557,12 @@ div.flot-text {
 
 .label-tag {
   background-color: @purple;
-  color: @linkColor;
+  color: darken(@white, 5%);
 }
 
 .label-tag:hover {
   background-color: darken(@purple, 10%);
-  color: lighten(@linkColor, 5%);
+  color: @white;
 }
 
 // Filter submenu

src/css/less/variables.light.less

@@ -20,7 +20,7 @@
 
 // Accent colors
 // -------------------------
-@blue:                  #158CBA;
+@blue:                  #01A6E6;
 @blueDark:              #75CAEB;
 @green:                 #28B62C;
 @red:                   #FF4136;