Made the header and footer wrappers fixed width

sass/_askbot-original.scss

 // Original styles
 
-/*body {
-  background: #FFF;
-  font-size: 14px;
-  line-height: 150%;
-  margin: 0;
-  padding: 0;
-  color: #000;
-  font-family: Arial; }*/
+// body {
+//   background: #FFF;
+//   font-size: 14px;
+//   line-height: 150%;
+//   margin: 0;
+//   padding: 0;
+//   color: #000;
+//   font-family: Arial; }
 
 // div {
 //   margin: 0 auto;
@@ -2146,16 +2146,16 @@ ins {
     text-decoration: underline;
     font-weight: bold; } }
 
-#ground {
-  width: 100%;
-  clear: both;
-  border-top: 1px solid #000;
-  padding: 6px 0 0 0;
-  background: #16160f;
-  font-size: 16px;
-  font-family: 'Yanone Kaffeesatz',sans-serif;
-  p {
-    margin-bottom: 0; } }
+// #ground {
+//   width: 100%;
+//   clear: both;
+//   border-top: 1px solid #000;
+//   padding: 6px 0 0 0;
+//   background: #16160f;
+//   font-size: 16px;
+//   font-family: 'Yanone Kaffeesatz',sans-serif;
+//   p {
+//     margin-bottom: 0; } }
 
 .footer-links {
   color: #EEE;

sass/_discussion.scss

-.secondary-nav {
-  @extend .topbar;
-  margin: 0;
-  padding: 15px 0;
-
-  nav {
-    @extend .clearfix;
-    @extend .wrapper;
-    @include box-sizing(border-box);
-    padding: 0 $body-line-height;
-
-    div {
-      float: left;
-
-      &.question-filter {
-        font-size:16px;
-        margin-top: 4px;
-        width: grid-width(4);
-
-        ul {
-          @include border-radius(35px);
-          background: darken(#F6EFD4, 20%);
-          display: inline;
-          margin: 0 0 0 10px;
-          padding: $body-line-height/4 20px;
-
-          li {
-            display: inline-block;
-            list-style: none;
-            margin-right: 10px;
-
-            &:last-child {
-              margin-right: 0;
-            }
+body.askbot {
+  .secondary-nav {
+    margin: 0;
+
+    nav {
+      @extend .clearfix;
+      @extend .topbar;
+      @extend .wrapper;
+      @include box-sizing(border-box);
+      border: 1px solid darken(#F6EFD4, 10%);
+      border-top: 0;
+      margin: 0 auto;
+      padding: $body-line-height;
+
+      div {
+        float: left;
+
+        &.question-filter {
+          font-size:16px;
+          margin-top: 4px;
+          width: grid-width(4);
+
+          ul {
+            @include border-radius(35px);
+            background: darken(#F6EFD4, 20%);
+            display: inline;
+            margin: 0 0 0 10px;
+            padding: $body-line-height/4 20px;
+
+            li {
+              display: inline-block;
+              list-style: none;
+              margin-right: 10px;
+
+              &:last-child {
+                margin-right: 0;
+              }
 
-            a {
-              text-transform: capitalize;
-              text-shadow: none;
-              font-size: 14px;
+              a {
+                text-transform: capitalize;
+                text-shadow: none;
+                font-size: 14px;
 
-              &.on {
-                font-weight: bold;
+                &.on {
+                  font-weight: bold;
+                }
               }
             }
           }
         }
-      }
 
-      &.search-box {
-        margin-left:2%;
-        text-align:right;
-        width: grid-width(8);
-      }
+        &.search-box {
+          margin-left:2%;
+          text-align:right;
+          width: grid-width(8);
+        }
 
+      }
     }
   }
-}
 
-.content-wrapper {
-  @extend .clearfix;
-  @extend .wrapper;
-  @include box-shadow(0 1px 0 #fff);
-  @include box-sizing(border-box);
-  background: #fff;
-  border: 1px solid #ccc;
-  border-top: 0;
-
-  .discussion-content {
-    /*@extend .content;*/
+  .content-wrapper {
+    @extend .clearfix;
+    @extend .wrapper;
+    @include box-shadow(0 1px 0 #fff);
     @include box-sizing(border-box);
-    display: table-cell;
-    padding: $gw-gutter;
-    vertical-align: top;
-    width: grid-width(9);
-  }
+    background: #fff;
+    border: 1px solid #ccc;
+    border-top: 0;
+
+    .discussion-content {
+      /*@extend .content;*/
+      @include box-sizing(border-box);
+      display: table-cell;
+      padding: $gw-gutter;
+      vertical-align: top;
+      width: grid-width(9);
+    }
 
-  aside {
-    @extend .sidebar;
-    width: grid-width(2.5);
-    padding: $gw-gutter;
+    aside {
+      @extend .sidebar;
+      width: grid-width(2.5);
+      padding: $gw-gutter;
 
-    h2 {
-      font-size: 16px;
-    }
+      h2 {
+        font-size: 16px;
+      }
 
-    h3 {
-      border-bottom: 0;
-      box-shadow: none;
-    }
+      h3 {
+        border-bottom: 0;
+        box-shadow: none;
+      }
 
-    input[type="text"] {
-      width: 68%;
-    }
+      input[type="text"] {
+        width: 68%;
+      }
 
-    #displayTagFilterControl {
-      margin-top: 10px;
+      #displayTagFilterControl {
+        margin-top: 10px;
+      }
     }
   }
-}
 
-.footer-wrapper {
-  @extend .clearfix;
-  @extend .wrapper;
-  @include box-shadow(0 1px 0 #fff);
-  @include box-sizing(border-box);
-  border-top: 0;
-  padding: 0 $gw-gutter/2;
+  footer {
+    margin: 0 auto;
+    padding: 0;
+
+    .footer-wrapper {
+      @extend .clearfix;
+      @extend .wrapper;
+      @include box-shadow(0 1px 0 #fff);
+      @include box-sizing(border-box);
+      background-color: #000;
+      border-top: 0;
+      padding: $gw-gutter/2;
+    }
+  }
 }