diff --git a/dub.json b/dub.json
index 19fffbb3..72ff6ca1 100644
--- a/dub.json
+++ b/dub.json
@@ -30,6 +30,7 @@
         "--ex", "dimage.", "--ex", "fontconfig", "--ex", "src.dlangui"],
 
     "sourceFiles-windows": ["$PACKAGE_DIR/src/win_app.def"],
+    "excludedSourceFiles-windows": ["3rdparty/fontconfig/*"],
 
     "subPackages": [
         "./examples/helloworld/",
@@ -66,7 +67,7 @@
         {
             "name": "console",
             "versions": ["USE_CONSOLE", "EmbedStandardResources"],
-            "versions-windows": ["Unicode"]
+            "excludedSourceFiles": ["3rdparty/*"]
         },
         {
             "name": "minimal",
diff --git a/examples/example1/dub.json b/examples/example1/dub.json
index 6111cf51..e4efb46b 100644
--- a/examples/example1/dub.json
+++ b/examples/example1/dub.json
@@ -13,7 +13,7 @@
 
     "sourceFiles-windows": ["$PACKAGE_DIR/src/win_app.def"],
 
-    "versions": ["EmbedStandardResources", "ForceLogs"],
+    "versions": ["ForceLogs"],
 
     "dependencies": {
         "dlangui": {"path": "../../"}
diff --git a/examples/helloworld/dub.json b/examples/helloworld/dub.json
index 87269824..a02a5ddb 100644
--- a/examples/helloworld/dub.json
+++ b/examples/helloworld/dub.json
@@ -17,7 +17,18 @@
         "dlangui": {"path": "../../"}
     },
 
-    "subConfigurations": {
-        "dlangui": "minimal"
-    }
+    "configurations" : [
+        {
+            "name" : "default",
+            "subConfigurations" : {
+                "dlangui" : "minimal"
+            }
+        }, 
+        {
+            "name" : "console",
+            "subConfigurations" : {
+                "dlangui" : "console"
+            }
+        }
+    ]
 }
diff --git a/examples/helloworld/src/helloworld.d b/examples/helloworld/src/helloworld.d
index 506fddce..5b6da665 100644
--- a/examples/helloworld/src/helloworld.d
+++ b/examples/helloworld/src/helloworld.d
@@ -6,11 +6,12 @@ mixin APP_ENTRY_POINT;
 
 /// entry point for dlangui based application
 extern (C) int UIAppMain(string[] args) {
+
+    // load theme from file "theme_default.xml"
+    Platform.instance.uiTheme = "theme_default";
+
     // create window
     Log.d("Creating window");
-    if (!Platform.instance) {
-        Log.e("Platform.instance is null!!!");
-    }
     Window window = Platform.instance.createWindow("DlangUI example - HelloWorld", null);
     Log.d("Window created");
 
@@ -18,10 +19,9 @@ extern (C) int UIAppMain(string[] args) {
     //window.mainWidget = (new Button()).text("Hello, world!"d).margins(Rect(20,20,20,20));
     window.mainWidget = parseML(q{
         VerticalLayout {
-            margins: 10
-            padding: 10
+            margins: 10pt
+            padding: 10pt
             layoutWidth: fill
-            backgroundColor: "#C0E0E070" // semitransparent yellow background
             // red bold text with size = 150% of base style size and font face Arial
             TextWidget { text: "Hello World example for DlangUI"; textColor: "red"; fontSize: 150%; fontWeight: 800; fontFace: "Arial" }
             // arrange controls as form - table with two columns
@@ -46,10 +46,10 @@ extern (C) int UIAppMain(string[] args) {
                     layoutWidth: fill
                     CheckBox { id: cb1; text: "checkbox 1" }
                     CheckBox { id: cb2; text: "checkbox 2" }
-                    ComboEdit { id: ce1; text: "some text"; minWidth: 100; items: ["Item 1", "Item 2", "Additional item"] }
+                    ComboEdit { id: ce1; text: "some text"; minWidth: 20pt; items: ["Item 1", "Item 2", "Additional item"] }
                 }
             }
-            EditBox { layoutWidth: 300; layoutHeight: 80 }
+            EditBox { layoutWidth: 20pt; layoutHeight: 10pt }
             HorizontalLayout {
                 Button { id: btnOk; text: "Ok" }
                 Button { id: btnCancel; text: "Cancel" }
diff --git a/src/dlangui/core/cssparser.d b/src/dlangui/core/cssparser.d
index a5aa9a8f..cc074996 100644
--- a/src/dlangui/core/cssparser.d
+++ b/src/dlangui/core/cssparser.d
@@ -273,7 +273,9 @@ private bool parseLength(ref string src, ref CssValue value)
         ident = parseIdent(src);
         if (!ident.empty) {
             switch(ident) {
-                case "em": value.type = CssValueType.em; break;
+                case "em": 
+                case "m": // for DML - cannot add suffix which starts from 'e'
+                    value.type = CssValueType.em; break;
                 case "pt": value.type = CssValueType.pt; break;
                 case "ex": value.type = CssValueType.ex; break;
                 case "px": value.type = CssValueType.px; break;
diff --git a/src/dlangui/core/types.d b/src/dlangui/core/types.d
index fe91a8e2..c29cbba7 100644
--- a/src/dlangui/core/types.d
+++ b/src/dlangui/core/types.d
@@ -284,10 +284,14 @@ private __gshared int PRIVATE_SCREEN_DPI = 96;
 }
 
 @property void SCREEN_DPI(int dpi) {
-    if (dpi >= 72 && dpi <= 500) {
-        if (PRIVATE_SCREEN_DPI != dpi) {
-            // changed DPI
-            PRIVATE_SCREEN_DPI = dpi;
+    static if (BACKEND_CONSOLE) {
+        PRIVATE_SCREEN_DPI = dpi;
+    } else {
+        if (dpi >= 72 && dpi <= 500) {
+            if (PRIVATE_SCREEN_DPI != dpi) {
+                // changed DPI
+                PRIVATE_SCREEN_DPI = dpi;
+            }
         }
     }
 }
diff --git a/src/dlangui/dml/parser.d b/src/dlangui/dml/parser.d
index 883427b5..26eb29ad 100644
--- a/src/dlangui/dml/parser.d
+++ b/src/dlangui/dml/parser.d
@@ -157,6 +157,9 @@ class MLParser {
                 // do nothing, value is in px by default
             } else if (suffix.equal("pt")) {
                 value = makePointSize(value);
+            } else if (suffix.equal("m") || suffix.equal("em")) {
+                // todo: implement EMs
+                value = makePointSize(value);
             } else if (suffix.equal("%")) {
                 value = makePercentSize(value);
             } else
diff --git a/src/dlangui/graphics/gldrawbuf.d b/src/dlangui/graphics/gldrawbuf.d
index d3bf4f86..bf64c701 100644
--- a/src/dlangui/graphics/gldrawbuf.d
+++ b/src/dlangui/graphics/gldrawbuf.d
@@ -19,6 +19,7 @@ Authors:   Vadim Lopatin, coolreader.org@gmail.com
 module dlangui.graphics.gldrawbuf;
 
 public import dlangui.core.config;
+static if (BACKEND_GUI):
 static if (ENABLE_OPENGL):
 
 import dlangui.graphics.drawbuf;
diff --git a/src/dlangui/graphics/glsupport.d b/src/dlangui/graphics/glsupport.d
index b08eb282..90268537 100644
--- a/src/dlangui/graphics/glsupport.d
+++ b/src/dlangui/graphics/glsupport.d
@@ -19,6 +19,7 @@ Authors:   Vadim Lopatin, coolreader.org@gmail.com
 module dlangui.graphics.glsupport;
 
 public import dlangui.core.config;
+static if (BACKEND_GUI):
 static if (ENABLE_OPENGL):
 
 public import dlangui.core.math3d;
diff --git a/src/dlangui/graphics/images.d b/src/dlangui/graphics/images.d
index 4d1af9e5..c52a9d35 100644
--- a/src/dlangui/graphics/images.d
+++ b/src/dlangui/graphics/images.d
@@ -21,6 +21,7 @@ Authors:   Vadim Lopatin, coolreader.org@gmail.com
 module dlangui.graphics.images;
 
 public import dlangui.core.config;
+static if (BACKEND_GUI):
 
 //version = USE_DEIMAGE;
 //version = USE_DLIBIMAGE;
diff --git a/src/dlangui/graphics/scene/camera.d b/src/dlangui/graphics/scene/camera.d
index 9e515089..da4e7402 100644
--- a/src/dlangui/graphics/scene/camera.d
+++ b/src/dlangui/graphics/scene/camera.d
@@ -2,6 +2,7 @@ module dlangui.graphics.scene.camera;
 
 public import dlangui.core.config;
 static if (ENABLE_OPENGL):
+static if (BACKEND_GUI):
 
 import dlangui.graphics.scene.node;
 
diff --git a/src/dlangui/graphics/scene/drawableobject.d b/src/dlangui/graphics/scene/drawableobject.d
index 73800576..c5e37321 100644
--- a/src/dlangui/graphics/scene/drawableobject.d
+++ b/src/dlangui/graphics/scene/drawableobject.d
@@ -2,6 +2,7 @@ module dlangui.graphics.scene.drawableobject;
 
 import dlangui.core.config;
 static if (ENABLE_OPENGL):
+static if (BACKEND_GUI):
 
 import dlangui.core.types;
 
diff --git a/src/dlangui/graphics/scene/effect.d b/src/dlangui/graphics/scene/effect.d
index f52a1abe..039782c5 100644
--- a/src/dlangui/graphics/scene/effect.d
+++ b/src/dlangui/graphics/scene/effect.d
@@ -2,6 +2,7 @@ module dlangui.graphics.scene.effect;
 
 public import dlangui.core.config;
 static if (ENABLE_OPENGL):
+static if (BACKEND_GUI):
 
 import dlangui.core.types;
 import dlangui.core.logger;
diff --git a/src/dlangui/graphics/scene/fbximport.d b/src/dlangui/graphics/scene/fbximport.d
index 8667f678..05d1aaa8 100644
--- a/src/dlangui/graphics/scene/fbximport.d
+++ b/src/dlangui/graphics/scene/fbximport.d
@@ -2,6 +2,7 @@ module dlangui.graphics.scene.fbximport;
 
 public import dlangui.core.config;
 static if (ENABLE_OPENGL):
+static if (BACKEND_GUI):
 
 import dlangui.core.logger;
 import dlangui.core.math3d;
diff --git a/src/dlangui/graphics/scene/light.d b/src/dlangui/graphics/scene/light.d
index 4cf0d456..de44f690 100644
--- a/src/dlangui/graphics/scene/light.d
+++ b/src/dlangui/graphics/scene/light.d
@@ -2,6 +2,7 @@ module dlangui.graphics.scene.light;
 
 public import dlangui.core.config;
 static if (ENABLE_OPENGL):
+static if (BACKEND_GUI):
 
 import dlangui.core.math3d;
 import dlangui.core.types;
diff --git a/src/dlangui/graphics/scene/material.d b/src/dlangui/graphics/scene/material.d
index 3a01a543..623e2cf8 100644
--- a/src/dlangui/graphics/scene/material.d
+++ b/src/dlangui/graphics/scene/material.d
@@ -2,6 +2,7 @@ module dlangui.graphics.scene.material;
 
 public import dlangui.core.config;
 static if (ENABLE_OPENGL):
+static if (BACKEND_GUI):
 
 import dlangui.core.types;
 import dlangui.core.logger;
diff --git a/src/dlangui/graphics/scene/mesh.d b/src/dlangui/graphics/scene/mesh.d
index 13ae8af8..2c16f067 100644
--- a/src/dlangui/graphics/scene/mesh.d
+++ b/src/dlangui/graphics/scene/mesh.d
@@ -2,6 +2,7 @@ module dlangui.graphics.scene.mesh;
 
 public import dlangui.core.config;
 static if (ENABLE_OPENGL):
+static if (BACKEND_GUI):
 
 import dlangui.core.math3d;
 import dlangui.core.types;
diff --git a/src/dlangui/graphics/scene/model.d b/src/dlangui/graphics/scene/model.d
index 81047509..7c99b3e3 100644
--- a/src/dlangui/graphics/scene/model.d
+++ b/src/dlangui/graphics/scene/model.d
@@ -2,6 +2,7 @@ module dlangui.graphics.scene.model;
 
 public import dlangui.core.config;
 static if (ENABLE_OPENGL):
+static if (BACKEND_GUI):
 
 import dlangui.graphics.scene.drawableobject;
 
diff --git a/src/dlangui/graphics/scene/node.d b/src/dlangui/graphics/scene/node.d
index 4ead97ed..a551431c 100644
--- a/src/dlangui/graphics/scene/node.d
+++ b/src/dlangui/graphics/scene/node.d
@@ -2,6 +2,7 @@ module dlangui.graphics.scene.node;
 
 public import dlangui.core.config;
 static if (ENABLE_OPENGL):
+static if (BACKEND_GUI):
 
 import dlangui.core.math3d;
 
diff --git a/src/dlangui/graphics/scene/objimport.d b/src/dlangui/graphics/scene/objimport.d
index 7cbdf4d9..1040b439 100644
--- a/src/dlangui/graphics/scene/objimport.d
+++ b/src/dlangui/graphics/scene/objimport.d
@@ -2,6 +2,7 @@ module dlangui.graphics.scene.objimport;
 
 public import dlangui.core.config;
 static if (ENABLE_OPENGL):
+static if (BACKEND_GUI):
 
 import dlangui.core.logger;
 import dlangui.core.math3d;
diff --git a/src/dlangui/graphics/scene/scene3d.d b/src/dlangui/graphics/scene/scene3d.d
index 4e2b1a08..566b91f2 100644
--- a/src/dlangui/graphics/scene/scene3d.d
+++ b/src/dlangui/graphics/scene/scene3d.d
@@ -2,6 +2,7 @@ module dlangui.graphics.scene.scene3d;
 
 public import dlangui.core.config;
 static if (ENABLE_OPENGL):
+static if (BACKEND_GUI):
 
 import dlangui.core.types;
 
diff --git a/src/dlangui/graphics/scene/skybox.d b/src/dlangui/graphics/scene/skybox.d
index 567dc3ec..d5d5577d 100644
--- a/src/dlangui/graphics/scene/skybox.d
+++ b/src/dlangui/graphics/scene/skybox.d
@@ -2,6 +2,7 @@ module dlangui.graphics.scene.skybox;
 
 public import dlangui.core.config;
 static if (ENABLE_OPENGL):
+static if (BACKEND_GUI):
 
 import dlangui.core.math3d;
 import dlangui.graphics.scene.node;
diff --git a/src/dlangui/graphics/scene/transform.d b/src/dlangui/graphics/scene/transform.d
index 040f9a47..3639e022 100644
--- a/src/dlangui/graphics/scene/transform.d
+++ b/src/dlangui/graphics/scene/transform.d
@@ -2,6 +2,7 @@ module dlangui.graphics.scene.transform;
 
 public import dlangui.core.config;
 static if (ENABLE_OPENGL):
+static if (BACKEND_GUI):
 
 import dlangui.core.math3d;
 import dlangui.core.types;