Fixed some linter problems.

css/doctest.css

@@ -1,12 +1,11 @@
-html
-{
-	padding: 0px;
-	font-size: 16px;
-	background: white;
-	font-family: Arial,sans-serif;
-	color: #000;
-	max-width: 932px;
-    margin:0 auto;
+html {
+    padding: 0;
+    font-size: 16px;
+    background: white;
+    font-family: Arial, sans-serif;
+    color: #000;
+    max-width: 932px;
+    margin: 0 auto;
 }
 
 .grayBorder {
@@ -24,10 +23,10 @@ html
 }
 
 .unselectable {
-  -moz-user-select: none;
-  -webkit-user-select: none;
-  -ms-user-select: none;
-  user-select: none;
+    -moz-user-select: none;
+    -webkit-user-select: none;
+    -ms-user-select: none;
+    user-select: none;
 }
 
 body {
@@ -44,28 +43,27 @@ canvas {
     margin-left: 8px;
 }
 
-
 .intrinsic-container {
-  position: relative;
-  height: 0;
-  overflow: hidden;
+    position: relative;
+    height: 0;
+    overflow: hidden;
 }
 
 /* 16x9 Aspect Ratio */
 .intrinsic-container-16x9 {
-  padding-bottom: 56.25%;
+    padding-bottom: 56.25%;
 }
 
 /* 4x3 Aspect Ratio */
 .intrinsic-container-4x3 {
-  padding-bottom: 75%;
+    padding-bottom: 75%;
 }
 
 .intrinsic-container iframe {
-  position: absolute;
-  border: 0;
-  top:0;
-  left: 0;
-  width: 100%;
-  height: 100%;
+    position: absolute;
+    border: 0;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
 }