modified some styles

src/Shared/HandyControl_Shared/Themes/Basic/Converters.xaml

@@ -19,4 +19,5 @@
     <converter:BorderCircularConverter x:Key="BorderCircularConverter"/>
     <converter:Object2VisibilityConverter x:Key="Object2VisibilityConverter"/>
     <converter:Number2PercentageConverter x:Key="Number2PercentageConverter"/>
+    <converter:RectangleCircularConverter x:Key="RectangleCircularConverter"/>
 </ResourceDictionary>

src/Shared/HandyControl_Shared/Themes/Basic/Sizes.xaml

@@ -3,7 +3,7 @@
                     xmlns:system="clr-namespace:System;assembly=mscorlib">
 
     <system:Double x:Key="DefaultControlHeight">30</system:Double>
-    <Thickness x:Key="DefaultControlPadding">12,6</Thickness>
+    <Thickness x:Key="DefaultControlPadding">10,6</Thickness>
     <Thickness x:Key="DefaultInputPadding">8,6</Thickness>
     <CornerRadius x:Key="DefaultCornerRadius">4</CornerRadius>