Trying to fix sample css

examples/webgl_loader_3dm.html

@@ -7,7 +7,7 @@
 		<link type="text/css" rel="stylesheet" href="main.css">
 		<style>
 			#loader {
-                border: 5px solid #f3f3f3; /* Light grey */
+				border: 5px solid #f3f3f3; /* Light grey */
                 border-top: 5px solid #3d3d3d; /* Grey */
                 border-radius: 50%;
                 width: 40px;
@@ -18,8 +18,8 @@
                 left: 50%;
                 z-index: 2;
             }
-
-            @keyframes spin {
+			
+			@keyframes spin {
                 0% { transform: rotate(0deg); }
                 100% { transform: rotate(360deg); }
             }