Updated with PR feedback

MaterialGraphProject/Assets/UnityShaderEditor/Editor/Resources/Styles/MaterialGraph.uss

     justify-content: flex-start;
     min-width: 200;
     min-height: 200;
-	border-radius: 6;
-	border-top-width: 1;
+    border-radius: 6;
+    border-top-width: 1;
-	border-color: rgb(25,25,25);
-	
+    border-color: rgb(25,25,25);
+
-	background-color: rgb(64, 64, 64);
+    background-color: rgb(64, 64, 64);
-	border-top-left-radius: 6;
-	border-top-right-radius: 6;
+    border-top-left-radius: 6;
+    border-top-right-radius: 6;
-	font-size: 12;
+    font-size: 12;
-	padding-top: 1;
+    padding-top: 1;
     padding-bottom: 2;
     padding-left: 2;
     padding-right: 2;
     flex-grow: 1;
-	border-width: 10;
+    border-width: 10;
-	border-color: rgb(0,10,190);
+    border-color: rgb(0,10,190);
-	border-width: 10;
-	border-color: rgb(200,10,190);
+    border-width: 10;
+    border-color: rgb(200,10,190);
 }
 
 #resizeBorderFrame > .resize {