diff --git a/.idea/codeStyles/codeStyleConfig.xml b/.idea/codeStyles/codeStyleConfig.xml
new file mode 100644
index 00000000..a55e7a17
--- /dev/null
+++ b/.idea/codeStyles/codeStyleConfig.xml
@@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
+  </state>
+</component>
\ No newline at end of file
diff --git a/.idea/dagre.iml b/.idea/dagre.iml
new file mode 100644
index 00000000..24643cc3
--- /dev/null
+++ b/.idea/dagre.iml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/.tmp" />
+      <excludeFolder url="file://$MODULE_DIR$/temp" />
+      <excludeFolder url="file://$MODULE_DIR$/tmp" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml
new file mode 100644
index 00000000..5b5702d4
--- /dev/null
+++ b/.idea/inspectionProfiles/Project_Default.xml
@@ -0,0 +1,6 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="Jscs" enabled="true" level="ERROR" enabled_by_default="true" />
+  </profile>
+</component>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 00000000..abc70213
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/dagre.iml" filepath="$PROJECT_DIR$/.idea/dagre.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 00000000..94a25f7f
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/lib/layout.js b/lib/layout.js
index c56c3bbb..e614b33a 100644
--- a/lib/layout.js
+++ b/lib/layout.js
@@ -94,8 +94,8 @@ function updateInputGraph(inputGraph, layoutGraph) {
   inputGraph.graph().height = layoutGraph.graph().height;
 }
 
-var graphNumAttrs = ["nodesep", "edgesep", "ranksep", "marginx", "marginy"],
-    graphDefaults = { ranksep: 50, edgesep: 20, nodesep: 50, rankdir: "tb" },
+var graphNumAttrs = ["nodesep", "edgesep", "ranksep", "marginx", "marginy",  "clusterpaddingtop", "clusterpaddingbottom"],
+    graphDefaults = { ranksep: 50, edgesep: 20, nodesep: 50, rankdir: "tb", clusterpaddingtop: 20, clusterpaddingbottom: 20 },
     graphAttrs = ["acyclicer", "ranker", "rankdir", "align"],
     nodeNumAttrs = ["width", "height"],
     nodeDefaults = { width: 0, height: 0 },
diff --git a/lib/position/bk.js b/lib/position/bk.js
index d3ebcebe..e3c8a872 100644
--- a/lib/position/bk.js
+++ b/lib/position/bk.js
@@ -265,7 +265,7 @@ function horizontalCompaction(g, layering, root, align, reverseSep) {
 function buildBlockGraph(g, layering, root, reverseSep) {
   var blockGraph = new Graph(),
       graphLabel = g.graph(),
-      sepFn = sep(graphLabel.nodesep, graphLabel.edgesep, reverseSep);
+      sepFn = sep(graphLabel.nodesep, graphLabel.edgesep, reverseSep, graphLabel.clusterpaddingtop, graphLabel.clusterpaddingbottom);
 
   _.forEach(layering, function(layer) {
     var u;
@@ -376,7 +376,7 @@ function positionX(g) {
   return balance(xss, g.graph().align);
 }
 
-function sep(nodeSep, edgeSep, reverseSep) {
+function sep(nodeSep, edgeSep, reverseSep, clusterpaddingtop, clusterpaddingbottom) {
   return function(g, v, w) {
     var vLabel = g.node(v),
         wLabel = g.node(w),
@@ -395,8 +395,11 @@ function sep(nodeSep, edgeSep, reverseSep) {
     }
     delta = 0;
 
-    sum += (vLabel.dummy ? edgeSep : nodeSep) / 2;
-    sum += (wLabel.dummy ? edgeSep : nodeSep) / 2;
+    var vPadding = vLabel.borderType === "borderRight" ? clusterpaddingbottom : clusterpaddingtop;
+    var wPadding = wLabel.borderType === "borderRight" ? clusterpaddingbottom : clusterpaddingtop;
+
+    sum += (vLabel.dummy ? vLabel.dummy === "border" ? vPadding : edgeSep : nodeSep) / 2;
+    sum += (wLabel.dummy ? wLabel.dummy === "border" ? wPadding : edgeSep : nodeSep) / 2;
 
     sum += wLabel.width / 2;
     if (_.has(wLabel, "labelpos")) {