diff --git a/resources/celerity/map.php b/resources/celerity/map.php
index aec853dd78..98a1f3b70d 100644
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -7,7 +7,7 @@
  */
 return array(
   'names' => array(
-    'core.pkg.css' => 'b3b91157',
+    'core.pkg.css' => '828ae114',
     'core.pkg.js' => 'a590b451',
     'darkconsole.pkg.js' => 'e7393ebb',
     'differential.pkg.css' => '9451634c',
@@ -153,11 +153,11 @@ return array(
     'rsrc/css/phui/phui-timeline-view.css' => '47b18876',
     'rsrc/css/phui/phui-workboard-view.css' => '935b19d6',
     'rsrc/css/phui/phui-workpanel-view.css' => '00558537',
-    'rsrc/css/sprite-login.css' => 'a3526809',
-    'rsrc/css/sprite-main-header.css' => '37e05e50',
-    'rsrc/css/sprite-menu.css' => 'fba663c3',
-    'rsrc/css/sprite-projects.css' => 'b0d9e24f',
-    'rsrc/css/sprite-tokens.css' => '1706b943',
+    'rsrc/css/sprite-login.css' => '1365fee0',
+    'rsrc/css/sprite-main-header.css' => 'f07bbb87',
+    'rsrc/css/sprite-menu.css' => '9dd65b92',
+    'rsrc/css/sprite-projects.css' => 'e5ad842a',
+    'rsrc/css/sprite-tokens.css' => '4f399012',
     'rsrc/externals/font/fontawesome/fontawesome-webfont.eot' => '5fb6fb0e',
     'rsrc/externals/font/fontawesome/fontawesome-webfont.ttf' => 'a653cb11',
     'rsrc/externals/font/fontawesome/fontawesome-webfont.woff' => '80526fc8',
@@ -316,15 +316,15 @@ return array(
     'rsrc/image/people/washington.png' => '40dd301c',
     'rsrc/image/phrequent_active.png' => 'a466a8ed',
     'rsrc/image/phrequent_inactive.png' => 'bfc15a69',
-    'rsrc/image/sprite-login-X2.png' => 'a15918f0',
-    'rsrc/image/sprite-login.png' => '8cee4f6e',
-    'rsrc/image/sprite-main-header.png' => 'f9008250',
-    'rsrc/image/sprite-menu-X2.png' => '1c25965b',
-    'rsrc/image/sprite-menu.png' => '76373b62',
-    'rsrc/image/sprite-projects-X2.png' => '8c91c839',
-    'rsrc/image/sprite-projects.png' => 'ef9dc9b5',
-    'rsrc/image/sprite-tokens-X2.png' => 'b4776580',
-    'rsrc/image/sprite-tokens.png' => '25b75533',
+    'rsrc/image/sprite-login-X2.png' => 'bf4d6f32',
+    'rsrc/image/sprite-login.png' => '25cee65e',
+    'rsrc/image/sprite-main-header.png' => '3673af44',
+    'rsrc/image/sprite-menu-X2.png' => 'cfd8fca5',
+    'rsrc/image/sprite-menu.png' => 'd7a99faa',
+    'rsrc/image/sprite-projects-X2.png' => '853552c7',
+    'rsrc/image/sprite-projects.png' => 'b9dd74b8',
+    'rsrc/image/sprite-tokens-X2.png' => '348f1745',
+    'rsrc/image/sprite-tokens.png' => 'ce0b62be',
     'rsrc/image/texture/card-gradient.png' => '815f26e8',
     'rsrc/image/texture/dark-menu-hover.png' => '5fa7ece8',
     'rsrc/image/texture/dark-menu.png' => '7e22296e',
@@ -827,11 +827,11 @@ return array(
     'releeph-request-differential-create-dialog' => '8d8b92cd',
     'releeph-request-typeahead-css' => '667a48ae',
     'setup-issue-css' => 'db7e9c40',
-    'sprite-login-css' => 'a3526809',
-    'sprite-main-header-css' => '37e05e50',
-    'sprite-menu-css' => 'fba663c3',
-    'sprite-projects-css' => 'b0d9e24f',
-    'sprite-tokens-css' => '1706b943',
+    'sprite-login-css' => '1365fee0',
+    'sprite-main-header-css' => 'f07bbb87',
+    'sprite-menu-css' => '9dd65b92',
+    'sprite-projects-css' => 'e5ad842a',
+    'sprite-tokens-css' => '4f399012',
     'syntax-highlighting-css' => '9fd11da8',
     'tokens-css' => '3d0f239e',
     'typeahead-browse-css' => 'd8581d2c',
diff --git a/resources/sprite/manifest/login.json b/resources/sprite/manifest/login.json
index 98756e7c4e..cb5cfa6743 100644
--- a/resources/sprite/manifest/login.json
+++ b/resources/sprite/manifest/login.json
@@ -131,6 +131,6 @@
     1,
     2
   ],
-  "header": "\/**\n * @provides sprite-login-css\n * @generated\n *\/\n\n.sprite-login {\n  background-image: url(\/rsrc\/image\/sprite-login.png);\n  background-repeat: no-repeat;\n}\n\n@media\nonly screen and (min-device-pixel-ratio: 1.5),\nonly screen and (-webkit-min-device-pixel-ratio: 1.5) {\n  .sprite-login {\n    background-image: url(\/rsrc\/image\/sprite-login-X2.png);\n    background-size: {X}px {Y}px;\n  }\n}\n",
+  "header": "\/**\n * @provides sprite-login-css\n * @generated\n *\/\n\n.sprite-login {\n  background-image: url(\/rsrc\/image\/sprite-login.png);\n  background-repeat: no-repeat;\n}\n\n@media\nonly screen and (min-device-pixel-ratio: 1.5),\nonly screen and (-webkit-min-device-pixel-ratio: 1.5),\nonly screen and (min-resolution: 1.5dppx) {\n  .sprite-login {\n    background-image: url(\/rsrc\/image\/sprite-login-X2.png);\n    background-size: {X}px {Y}px;\n  }\n}\n",
   "type": "standard"
 }
diff --git a/resources/sprite/manifest/menu.json b/resources/sprite/manifest/menu.json
index 11088a89b2..68fe112276 100644
--- a/resources/sprite/manifest/menu.json
+++ b/resources/sprite/manifest/menu.json
@@ -26,6 +26,6 @@
     1,
     2
   ],
-  "header": "\/**\n * @provides sprite-menu-css\n * @generated\n *\/\n\n.sprite-menu {\n  background-image: url(\/rsrc\/image\/sprite-menu.png);\n  background-repeat: no-repeat;\n}\n\n@media\nonly screen and (min-device-pixel-ratio: 1.5),\nonly screen and (-webkit-min-device-pixel-ratio: 1.5) {\n  .sprite-menu {\n    background-image: url(\/rsrc\/image\/sprite-menu-X2.png);\n    background-size: {X}px {Y}px;\n  }\n}\n",
+  "header": "\/**\n * @provides sprite-menu-css\n * @generated\n *\/\n\n.sprite-menu {\n  background-image: url(\/rsrc\/image\/sprite-menu.png);\n  background-repeat: no-repeat;\n}\n\n@media\nonly screen and (min-device-pixel-ratio: 1.5),\nonly screen and (-webkit-min-device-pixel-ratio: 1.5),\nonly screen and (min-resolution: 1.5dppx) {\n  .sprite-menu {\n    background-image: url(\/rsrc\/image\/sprite-menu-X2.png);\n    background-size: {X}px {Y}px;\n  }\n}\n",
   "type": "standard"
 }
diff --git a/resources/sprite/manifest/projects.json b/resources/sprite/manifest/projects.json
index 03cf5b690b..592583f0b1 100644
--- a/resources/sprite/manifest/projects.json
+++ b/resources/sprite/manifest/projects.json
@@ -366,6 +366,6 @@
     1,
     2
   ],
-  "header": "\/**\n * @provides sprite-projects-css\n * @generated\n *\/\n\n.sprite-projects {\n  background-image: url(\/rsrc\/image\/sprite-projects.png);\n  background-repeat: no-repeat;\n}\n\n@media\nonly screen and (min-device-pixel-ratio: 1.5),\nonly screen and (-webkit-min-device-pixel-ratio: 1.5) {\n  .sprite-projects {\n    background-image: url(\/rsrc\/image\/sprite-projects-X2.png);\n    background-size: {X}px {Y}px;\n  }\n}\n",
+  "header": "\/**\n * @provides sprite-projects-css\n * @generated\n *\/\n\n.sprite-projects {\n  background-image: url(\/rsrc\/image\/sprite-projects.png);\n  background-repeat: no-repeat;\n}\n\n@media\nonly screen and (min-device-pixel-ratio: 1.5),\nonly screen and (-webkit-min-device-pixel-ratio: 1.5),\nonly screen and (min-resolution: 1.5dppx) {\n  .sprite-projects {\n    background-image: url(\/rsrc\/image\/sprite-projects-X2.png);\n    background-size: {X}px {Y}px;\n  }\n}\n",
   "type": "standard"
 }
diff --git a/resources/sprite/manifest/tokens.json b/resources/sprite/manifest/tokens.json
index 3b15ff14c4..eee41c9d78 100644
--- a/resources/sprite/manifest/tokens.json
+++ b/resources/sprite/manifest/tokens.json
@@ -1,91 +1,91 @@
 {
-  "version" : 1,
-  "sprites" : {
-    "tokens-coin-1"  : {
-      "name" : "tokens-coin-1",
-      "rule" : ".tokens-coin-1",
-      "hash" : "0ec4c7309f8191972340c6789a6b5691"
+  "version": 1,
+  "sprites": {
+    "tokens-coin-1": {
+      "name": "tokens-coin-1",
+      "rule": ".tokens-coin-1",
+      "hash": "0ec4c7309f8191972340c6789a6b5691"
     },
-    "tokens-coin-2"  : {
-      "name" : "tokens-coin-2",
-      "rule" : ".tokens-coin-2",
-      "hash" : "4c85dd4b0c388cfefe0075b7056384fd"
+    "tokens-coin-2": {
+      "name": "tokens-coin-2",
+      "rule": ".tokens-coin-2",
+      "hash": "4c85dd4b0c388cfefe0075b7056384fd"
     },
-    "tokens-coin-3"  : {
-      "name" : "tokens-coin-3",
-      "rule" : ".tokens-coin-3",
-      "hash" : "a2e3770894539957e436a7d5a2be4703"
+    "tokens-coin-3": {
+      "name": "tokens-coin-3",
+      "rule": ".tokens-coin-3",
+      "hash": "a2e3770894539957e436a7d5a2be4703"
     },
-    "tokens-coin-4"  : {
-      "name" : "tokens-coin-4",
-      "rule" : ".tokens-coin-4",
-      "hash" : "856cb87c5590975c0a25177ca2fd2a8f"
+    "tokens-coin-4": {
+      "name": "tokens-coin-4",
+      "rule": ".tokens-coin-4",
+      "hash": "856cb87c5590975c0a25177ca2fd2a8f"
     },
-    "tokens-heart-1" : {
-      "name" : "tokens-heart-1",
-      "rule" : ".tokens-heart-1",
-      "hash" : "370228318750a79d93848bdf686444e5"
+    "tokens-heart-1": {
+      "name": "tokens-heart-1",
+      "rule": ".tokens-heart-1",
+      "hash": "370228318750a79d93848bdf686444e5"
     },
-    "tokens-heart-2" : {
-      "name" : "tokens-heart-2",
-      "rule" : ".tokens-heart-2",
-      "hash" : "197144d3987308aaef311e29e3503707"
+    "tokens-heart-2": {
+      "name": "tokens-heart-2",
+      "rule": ".tokens-heart-2",
+      "hash": "197144d3987308aaef311e29e3503707"
     },
-    "tokens-like-1"  : {
-      "name" : "tokens-like-1",
-      "rule" : ".tokens-like-1",
-      "hash" : "3c5271d6678ad6d217a47779488c9918"
+    "tokens-like-1": {
+      "name": "tokens-like-1",
+      "rule": ".tokens-like-1",
+      "hash": "3c5271d6678ad6d217a47779488c9918"
     },
-    "tokens-like-2"  : {
-      "name" : "tokens-like-2",
-      "rule" : ".tokens-like-2",
-      "hash" : "b009176baadc3e71786ac24ce8229c5a"
+    "tokens-like-2": {
+      "name": "tokens-like-2",
+      "rule": ".tokens-like-2",
+      "hash": "b009176baadc3e71786ac24ce8229c5a"
     },
-    "tokens-medal-1" : {
-      "name" : "tokens-medal-1",
-      "rule" : ".tokens-medal-1",
-      "hash" : "cd897529c6834917da062589ae1a69ae"
+    "tokens-medal-1": {
+      "name": "tokens-medal-1",
+      "rule": ".tokens-medal-1",
+      "hash": "cd897529c6834917da062589ae1a69ae"
     },
-    "tokens-medal-2" : {
-      "name" : "tokens-medal-2",
-      "rule" : ".tokens-medal-2",
-      "hash" : "d56f106b508c33bca6c0a33e2544d0d6"
+    "tokens-medal-2": {
+      "name": "tokens-medal-2",
+      "rule": ".tokens-medal-2",
+      "hash": "d56f106b508c33bca6c0a33e2544d0d6"
     },
-    "tokens-medal-3" : {
-      "name" : "tokens-medal-3",
-      "rule" : ".tokens-medal-3",
-      "hash" : "d4e7c06cfd39d932a35aa25841d5008c"
+    "tokens-medal-3": {
+      "name": "tokens-medal-3",
+      "rule": ".tokens-medal-3",
+      "hash": "d4e7c06cfd39d932a35aa25841d5008c"
     },
-    "tokens-medal-4" : {
-      "name" : "tokens-medal-4",
-      "rule" : ".tokens-medal-4",
-      "hash" : "36f596bd2615e521542ac10a771d6902"
+    "tokens-medal-4": {
+      "name": "tokens-medal-4",
+      "rule": ".tokens-medal-4",
+      "hash": "36f596bd2615e521542ac10a771d6902"
     },
-    "tokens-misc-1"  : {
-      "name" : "tokens-misc-1",
-      "rule" : ".tokens-misc-1",
-      "hash" : "8f7575c0176570b30aaffb801bcb2c13"
+    "tokens-misc-1": {
+      "name": "tokens-misc-1",
+      "rule": ".tokens-misc-1",
+      "hash": "8f7575c0176570b30aaffb801bcb2c13"
     },
-    "tokens-misc-2"  : {
-      "name" : "tokens-misc-2",
-      "rule" : ".tokens-misc-2",
-      "hash" : "5c61bc36fd0b5545ebf31b57c6ab5185"
+    "tokens-misc-2": {
+      "name": "tokens-misc-2",
+      "rule": ".tokens-misc-2",
+      "hash": "5c61bc36fd0b5545ebf31b57c6ab5185"
     },
-    "tokens-misc-3"  : {
-      "name" : "tokens-misc-3",
-      "rule" : ".tokens-misc-3",
-      "hash" : "97a383def5eb847077b2b26a1a441c0e"
+    "tokens-misc-3": {
+      "name": "tokens-misc-3",
+      "rule": ".tokens-misc-3",
+      "hash": "97a383def5eb847077b2b26a1a441c0e"
     },
-    "tokens-misc-4"  : {
-      "name" : "tokens-misc-4",
-      "rule" : ".tokens-misc-4",
-      "hash" : "229c8a28e3b6bb883effbb62689e190f"
+    "tokens-misc-4": {
+      "name": "tokens-misc-4",
+      "rule": ".tokens-misc-4",
+      "hash": "229c8a28e3b6bb883effbb62689e190f"
     }
   },
-  "scales"  : [
+  "scales": [
     1,
     2
   ],
-  "header"  : "\/**\n * @provides sprite-tokens-css\n * @generated\n *\/\n\n.sprite-tokens {\n  background-image: url(\/rsrc\/image\/sprite-tokens.png);\n  background-repeat: no-repeat;\n}\n\n@media\nonly screen and (min-device-pixel-ratio: 1.5),\nonly screen and (-webkit-min-device-pixel-ratio: 1.5) {\n  .sprite-tokens {\n    background-image: url(\/rsrc\/image\/sprite-tokens-X2.png);\n    background-size: {X}px {Y}px;\n  }\n}\n",
-  "type"    : "standard"
+  "header": "\/**\n * @provides sprite-tokens-css\n * @generated\n *\/\n\n.sprite-tokens {\n  background-image: url(\/rsrc\/image\/sprite-tokens.png);\n  background-repeat: no-repeat;\n}\n\n@media\nonly screen and (min-device-pixel-ratio: 1.5),\nonly screen and (-webkit-min-device-pixel-ratio: 1.5),\nonly screen and (min-resolution: 1.5dppx) {\n  .sprite-tokens {\n    background-image: url(\/rsrc\/image\/sprite-tokens-X2.png);\n    background-size: {X}px {Y}px;\n  }\n}\n",
+  "type": "standard"
 }
diff --git a/src/applications/celerity/CeleritySpriteGenerator.php b/src/applications/celerity/CeleritySpriteGenerator.php
index 48422da572..a84bb3f46d 100644
--- a/src/applications/celerity/CeleritySpriteGenerator.php
+++ b/src/applications/celerity/CeleritySpriteGenerator.php
@@ -232,7 +232,8 @@ final class CeleritySpriteGenerator extends Phobject {
       $retina_rules = <<<EOCSS
 @media
 only screen and (min-device-pixel-ratio: 1.5),
-only screen and (-webkit-min-device-pixel-ratio: 1.5) {
+only screen and (-webkit-min-device-pixel-ratio: 1.5),
+only screen and (min-resolution: 1.5dppx) {
   .sprite-{$name}{$extra_css} {
     background-image: url(/rsrc/image/sprite-{$name}-X2.png);
     background-size: {X}px {Y}px;
diff --git a/webroot/rsrc/css/sprite-login.css b/webroot/rsrc/css/sprite-login.css
index 167601070a..2e9d49a329 100644
--- a/webroot/rsrc/css/sprite-login.css
+++ b/webroot/rsrc/css/sprite-login.css
@@ -10,7 +10,8 @@
 
 @media
 only screen and (min-device-pixel-ratio: 1.5),
-only screen and (-webkit-min-device-pixel-ratio: 1.5) {
+only screen and (-webkit-min-device-pixel-ratio: 1.5),
+only screen and (min-resolution: 1.5dppx) {
   .sprite-login {
     background-image: url(/rsrc/image/sprite-login-X2.png);
     background-size: 175px 175px;
diff --git a/webroot/rsrc/css/sprite-menu.css b/webroot/rsrc/css/sprite-menu.css
index e016540911..61e1240b07 100644
--- a/webroot/rsrc/css/sprite-menu.css
+++ b/webroot/rsrc/css/sprite-menu.css
@@ -10,7 +10,8 @@
 
 @media
 only screen and (min-device-pixel-ratio: 1.5),
-only screen and (-webkit-min-device-pixel-ratio: 1.5) {
+only screen and (-webkit-min-device-pixel-ratio: 1.5),
+only screen and (min-resolution: 1.5dppx) {
   .sprite-menu {
     background-image: url(/rsrc/image/sprite-menu-X2.png);
     background-size: 97px 123px;
diff --git a/webroot/rsrc/css/sprite-projects.css b/webroot/rsrc/css/sprite-projects.css
index c9a994de66..16abde0551 100644
--- a/webroot/rsrc/css/sprite-projects.css
+++ b/webroot/rsrc/css/sprite-projects.css
@@ -10,7 +10,8 @@
 
 @media
 only screen and (min-device-pixel-ratio: 1.5),
-only screen and (-webkit-min-device-pixel-ratio: 1.5) {
+only screen and (-webkit-min-device-pixel-ratio: 1.5),
+only screen and (min-resolution: 1.5dppx) {
   .sprite-projects {
     background-image: url(/rsrc/image/sprite-projects-X2.png);
     background-size: 408px 459px;
diff --git a/webroot/rsrc/css/sprite-tokens.css b/webroot/rsrc/css/sprite-tokens.css
index 664a3883ff..9a911d40cc 100644
--- a/webroot/rsrc/css/sprite-tokens.css
+++ b/webroot/rsrc/css/sprite-tokens.css
@@ -10,7 +10,8 @@
 
 @media
 only screen and (min-device-pixel-ratio: 1.5),
-only screen and (-webkit-min-device-pixel-ratio: 1.5) {
+only screen and (-webkit-min-device-pixel-ratio: 1.5),
+only screen and (min-resolution: 1.5dppx) {
   .sprite-tokens {
     background-image: url(/rsrc/image/sprite-tokens-X2.png);
     background-size: 68px 68px;
diff --git a/webroot/rsrc/image/sprite-login-X2.png b/webroot/rsrc/image/sprite-login-X2.png
index 43c089de09..2c550aa244 100644
Binary files a/webroot/rsrc/image/sprite-login-X2.png and b/webroot/rsrc/image/sprite-login-X2.png differ
diff --git a/webroot/rsrc/image/sprite-login.png b/webroot/rsrc/image/sprite-login.png
index a0109aa371..544d9162ca 100644
Binary files a/webroot/rsrc/image/sprite-login.png and b/webroot/rsrc/image/sprite-login.png differ
diff --git a/webroot/rsrc/image/sprite-main-header.png b/webroot/rsrc/image/sprite-main-header.png
index 7434cb2e02..f0211bd79e 100644
Binary files a/webroot/rsrc/image/sprite-main-header.png and b/webroot/rsrc/image/sprite-main-header.png differ
diff --git a/webroot/rsrc/image/sprite-menu-X2.png b/webroot/rsrc/image/sprite-menu-X2.png
index 165e03070a..ea92e0e9cf 100644
Binary files a/webroot/rsrc/image/sprite-menu-X2.png and b/webroot/rsrc/image/sprite-menu-X2.png differ
diff --git a/webroot/rsrc/image/sprite-menu.png b/webroot/rsrc/image/sprite-menu.png
index 3173961c57..bdb250c3c1 100644
Binary files a/webroot/rsrc/image/sprite-menu.png and b/webroot/rsrc/image/sprite-menu.png differ
diff --git a/webroot/rsrc/image/sprite-projects-X2.png b/webroot/rsrc/image/sprite-projects-X2.png
index 420ceed922..3b3525417a 100644
Binary files a/webroot/rsrc/image/sprite-projects-X2.png and b/webroot/rsrc/image/sprite-projects-X2.png differ
diff --git a/webroot/rsrc/image/sprite-projects.png b/webroot/rsrc/image/sprite-projects.png
index c598aa80ac..8c85c59e1b 100644
Binary files a/webroot/rsrc/image/sprite-projects.png and b/webroot/rsrc/image/sprite-projects.png differ
diff --git a/webroot/rsrc/image/sprite-tokens-X2.png b/webroot/rsrc/image/sprite-tokens-X2.png
index 924fae5348..84a3407cae 100644
Binary files a/webroot/rsrc/image/sprite-tokens-X2.png and b/webroot/rsrc/image/sprite-tokens-X2.png differ
diff --git a/webroot/rsrc/image/sprite-tokens.png b/webroot/rsrc/image/sprite-tokens.png
index 96aee568b7..4ecda8e2b5 100644
Binary files a/webroot/rsrc/image/sprite-tokens.png and b/webroot/rsrc/image/sprite-tokens.png differ