Welcome and 50x error pages style.

Indentation of the CSS code removed to match style of the HTML code.
diff --git a/docs/html/50x.html b/docs/html/50x.html
index 9071e0a..7dd7c90 100644
--- a/docs/html/50x.html
+++ b/docs/html/50x.html
@@ -3,11 +3,8 @@
 <head>
 <title>Error</title>
 <style>
-    body {
-        width: 35em;
-        margin: 0 auto;
-        font-family: Tahoma, Verdana, Arial, sans-serif;
-    }
+body { width: 35em; margin: 0 auto;
+font-family: Tahoma, Verdana, Arial, sans-serif; }
 </style>
 </head>
 <body>
diff --git a/docs/html/index.html b/docs/html/index.html
index 2ca3b95..09638f7 100644
--- a/docs/html/index.html
+++ b/docs/html/index.html
@@ -3,11 +3,8 @@
 <head>
 <title>Welcome to nginx!</title>
 <style>
-    body {
-        width: 35em;
-        margin: 0 auto;
-        font-family: Tahoma, Verdana, Arial, sans-serif;
-    }
+body { width: 35em; margin: 0 auto;
+font-family: Tahoma, Verdana, Arial, sans-serif; }
 </style>
 </head>
 <body>