diff --git a/platform/commonUI/general/res/css/forms.css b/platform/commonUI/general/res/css/forms.css
index 8278e6322f..d36234d47b 100644
--- a/platform/commonUI/general/res/css/forms.css
+++ b/platform/commonUI/general/res/css/forms.css
@@ -70,8 +70,9 @@
  * at runtime from the About dialog for additional information.
  *****************************************************************************/
 /************************** WINDOW DIMENSIONS FOR RWD */
-/************************** WINDOW CHECKS FOR RWD */
-/************************** WINDOWS FOR RWD */
+/************************** WINDOW CHECKS FOR SPECIFIC ORIENTATIONS FOR EACH DEVICE */
+/************************** WINDOWS FOR SPECIFIC ORIENTATIONS FOR EACH DEVICE */
+/************************** DEVICE PARAMETERS FOR MENUS */
 /*****************************************************************************
  * Open MCT Web, Copyright (c) 2014-2015, United States Government
  * as represented by the Administrator of the National Aeronautics and Space
diff --git a/platform/commonUI/general/res/css/items.css b/platform/commonUI/general/res/css/items.css
index dc970e3b00..c1b31b9e51 100644
--- a/platform/commonUI/general/res/css/items.css
+++ b/platform/commonUI/general/res/css/items.css
@@ -70,8 +70,9 @@
  * at runtime from the About dialog for additional information.
  *****************************************************************************/
 /************************** WINDOW DIMENSIONS FOR RWD */
-/************************** WINDOW CHECKS FOR RWD */
-/************************** WINDOWS FOR RWD */
+/************************** WINDOW CHECKS FOR SPECIFIC ORIENTATIONS FOR EACH DEVICE */
+/************************** WINDOWS FOR SPECIFIC ORIENTATIONS FOR EACH DEVICE */
+/************************** DEVICE PARAMETERS FOR MENUS */
 /*****************************************************************************
  * Open MCT Web, Copyright (c) 2014-2015, United States Government
  * as represented by the Administrator of the National Aeronautics and Space
diff --git a/platform/commonUI/general/res/css/theme-espresso.css b/platform/commonUI/general/res/css/theme-espresso.css
index 6af1fbf5da..a5f9d5279e 100644
--- a/platform/commonUI/general/res/css/theme-espresso.css
+++ b/platform/commonUI/general/res/css/theme-espresso.css
@@ -71,8 +71,9 @@
  * at runtime from the About dialog for additional information.
  *****************************************************************************/
 /************************** WINDOW DIMENSIONS FOR RWD */
-/************************** WINDOW CHECKS FOR RWD */
-/************************** WINDOWS FOR RWD */
+/************************** WINDOW CHECKS FOR SPECIFIC ORIENTATIONS FOR EACH DEVICE */
+/************************** WINDOWS FOR SPECIFIC ORIENTATIONS FOR EACH DEVICE */
+/************************** DEVICE PARAMETERS FOR MENUS */
 /*****************************************************************************
  * Open MCT Web, Copyright (c) 2014-2015, United States Government
  * as represented by the Administrator of the National Aeronautics and Space
diff --git a/platform/commonUI/general/res/css/tree.css b/platform/commonUI/general/res/css/tree.css
index 525193bbdc..08714e39c8 100644
--- a/platform/commonUI/general/res/css/tree.css
+++ b/platform/commonUI/general/res/css/tree.css
@@ -70,8 +70,9 @@
  * at runtime from the About dialog for additional information.
  *****************************************************************************/
 /************************** WINDOW DIMENSIONS FOR RWD */
-/************************** WINDOW CHECKS FOR RWD */
-/************************** WINDOWS FOR RWD */
+/************************** WINDOW CHECKS FOR SPECIFIC ORIENTATIONS FOR EACH DEVICE */
+/************************** WINDOWS FOR SPECIFIC ORIENTATIONS FOR EACH DEVICE */
+/************************** DEVICE PARAMETERS FOR MENUS */
 /*****************************************************************************
  * Open MCT Web, Copyright (c) 2014-2015, United States Government
  * as represented by the Administrator of the National Aeronautics and Space
diff --git a/platform/commonUI/general/res/sass/mobile/_constants.scss b/platform/commonUI/general/res/sass/mobile/_constants.scss
index 84354b4e7d..985cae1854 100644
--- a/platform/commonUI/general/res/sass/mobile/_constants.scss
+++ b/platform/commonUI/general/res/sass/mobile/_constants.scss
@@ -33,33 +33,32 @@ $tabMaxH: 1024px;
 $compMinW: 800px;
 $compMinH: 1025px;
 
-/************************** WINDOW CHECKS FOR RWD */
+/************************** WINDOW CHECKS FOR SPECIFIC ORIENTATIONS FOR EACH DEVICE */
 $screenPortrait: "screen and (orientation: portrait)";
 $screenLandscape: "screen and (orientation: landscape)";
 
-$phoWidPorCheck: "(max-width: #{$phoMaxW})";
-$phoHeiPorCheck: "(max-height: #{$phoMaxH})";
-
-$phoWidLanCheck: "(max-height: #{$phoMaxW})";
-$phoHeiLanCheck: "(max-width: #{$phoMaxH})";
+$phonePortraitCheck: "(max-width: #{$phoMaxW}) and (max-height: #{$phoMaxH})";
+$phoneLandscapeCheck: "(max-height: #{$phoMaxW}) and (max-width: #{$phoMaxH})";
 
 $tabWidPorCheck: "(min-width: #{$tabMinW}) and (max-width: #{$tabMaxW})";
 $tabHeiPorCheck: "(min-height: #{$tabMinH}) and (max-height: #{$tabMaxH})";
+$tabletPortraitCheck: "#{$tabWidPorCheck} and #{$tabHeiPorCheck}";
 
 $tabWidLanCheck: "(min-height: #{$tabMinW}) and (max-height: #{$tabMaxW})";
 $tabHeiLanCheck: "(min-width: #{$tabMinH}) and (max-width: #{$tabMaxH})";
+$tabletLandscapeCheck: "#{$tabWidLanCheck} and #{$tabHeiLanCheck}";
 
 $mobileDevice: "(max-device-width: #{$tabMaxW}) and (max-device-height: #{$tabMaxH})";
 $mobileDeviceEmu: "(max-device-width: #{$tabMaxH}) and (max-device-height: #{$tabMaxW})";
 
-/************************** WINDOWS FOR RWD */
-$phoneWidth: "#{$screenPortrait} and #{$phoWidPorCheck} and #{$phoHeiPorCheck} and #{$mobileDevice}";
-$phoneHeight: "#{$screenLandscape} and #{$phoWidLanCheck} and #{$phoHeiLanCheck} and #{$mobileDevice}";
-$phoneHeightEmu: "#{$screenLandscape} and #{$phoWidLanCheck} and #{$phoHeiLanCheck} and #{$mobileDeviceEmu}";
+/************************** WINDOWS FOR SPECIFIC ORIENTATIONS FOR EACH DEVICE */
+$phonePortrait: "#{$screenPortrait} and #{$phonePortraitCheck} and #{$mobileDevice}";
+$phoneLandscape: "#{$screenLandscape} and #{$phoneLandscapeCheck} and #{$mobileDevice}";
+$phoneLandscapeEmu: "#{$screenLandscape} and #{$phoneLandscapeCheck} and #{$mobileDeviceEmu}";
 
-$tabletWidth: "#{$screenPortrait} and #{$tabWidPorCheck} and #{$tabHeiPorCheck} and #{$mobileDevice}";
-$tabletHeight: "#{$screenLandscape} and #{$tabWidLanCheck} and #{$tabHeiLanCheck} and #{$mobileDevice}";
-$tabletHeightEmu: "#{$screenLandscape} and #{$tabWidLanCheck} and #{$tabHeiLanCheck} and #{$mobileDeviceEmu}";
+$tabletPortrait: "#{$screenPortrait} and #{$tabletPortraitCheck} and #{$mobileDevice}";
+$tabletLandscape: "#{$screenLandscape} and #{$tabletLandscapeCheck} and #{$mobileDevice}";
+$tabletLandscapeEmu: "#{$screenLandscape} and #{$tabletLandscapeCheck} and #{$mobileDeviceEmu}";
 
 $desktopDevicePortrait: "(min-device-width: #{$compMinW}) and (min-device-height: #{$compMinH})";
 $desktopDeviceLandscape: "(min-device-width: #{$compMinH}) and (min-device-height: #{$compMinW})";
@@ -67,9 +66,7 @@ $desktopDeviceLandscape: "(min-device-width: #{$compMinH}) and (min-device-heigh
 $compWidth: "screen and #{$desktopDevicePortrait}";
 $compHeight: "screen and #{$desktopDeviceLandscape}";
 
-$leftPhone: $phoMaxW/2;
-$leftTab: $tabMaxW/2;
-
-$hideRatioPhone: 1;
-$hideRatioTab: 1;
+/************************** DEVICE PARAMETERS FOR MENUS */
 
+$phoneSlideMenuWidth: $phoMaxW/2;
+$tabletSlideMenuWidth: $tabMaxW/2;
diff --git a/platform/commonUI/general/res/sass/mobile/_layout.scss b/platform/commonUI/general/res/sass/mobile/_layout.scss
index 01f4093fcb..fa8e6ddff1 100644
--- a/platform/commonUI/general/res/sass/mobile/_layout.scss
+++ b/platform/commonUI/general/res/sass/mobile/_layout.scss
@@ -26,11 +26,11 @@
 .holder-hide {
     @include phone {
         @include transition-duration(.2s);
-        left: (-1 * $hideRatioPhone) * $leftPhone;
+        left: (-1) * $phoneSlideMenuWidth;
     }
     @include tablet {
         @include transition-duration(.2s);
-        left: (-1 * $hideRatioTab) * $leftTab;
+        left: (-1) * $tabletSlideMenuWidth;
     }     
 }
 
@@ -49,11 +49,11 @@
     position: absolute;
     @include phone {
         @include transition-duration(.2s);
-        left: ($hideRatioPhone) * $leftPhone;
+        left: $phoneSlideMenuWidth;
     }
     @include tablet {
         @include transition-duration(.2s);
-        left: ($hideRatioTab) * $leftTab;
+        left: $tabletSlideMenuWidth;
     }      
 }
 
@@ -61,20 +61,20 @@
     position: absolute;
     @include transition-duration(.2s);
     @include phone {
-        left: $leftPhone;
+        left: $phoneSlideMenuWidth;
     }
     @include tablet {
-        left: $leftTab;
+        left: $tabletSlideMenuWidth;
     }     
 }
 
 .object-header-mobile {
     position: relative;
     @include phone {
-        left: $leftPhone/10;
+        left: $phoneSlideMenuWidth/10;
     }
     @include tablet {
-        left: $leftTab/10;
+        left: $tabletSlideMenuWidth/10;
     }
 }
 
@@ -87,10 +87,10 @@
 
 .browse-manage {
     @include phone {
-        width: $leftPhone;
+        width: $phoneSlideMenuWidth;
     }
     @include tablet {
-        width: $leftTab;
+        width: $tabletSlideMenuWidth;
     }    
     @include desktop {
         min-width: 150px;
diff --git a/platform/commonUI/general/res/sass/mobile/_mixins.scss b/platform/commonUI/general/res/sass/mobile/_mixins.scss
index f71edf2c8c..c92708fe73 100644
--- a/platform/commonUI/general/res/sass/mobile/_mixins.scss
+++ b/platform/commonUI/general/res/sass/mobile/_mixins.scss
@@ -22,17 +22,17 @@
 
 // NOTE: Mixins for devices
 @mixin phone {
-    @media #{$phoneWidth},
-           #{$phoneHeight},
-           #{$phoneHeightEmu}{
+    @media #{$phonePortrait},
+           #{$phoneLandscape},
+           #{$phoneLandscapeEmu}{
         @content
     }
 }
 
 @mixin tablet {
-    @media #{$tabletWidth},
-           #{$tabletHeight},
-           #{$tabletHeightEmu}{
+    @media #{$tabletPortrait},
+           #{$tabletLandscape},
+           #{$tabletLandscapeEmu}{
         @content
     }
 }