Upgrade lato fonts to v16. (#9498)

* Upgrade lato fonts to v16

* Upgrade lato fonts to v16

* fix bug

46 files changed, 72 insertions, 20 deletions

diff --git a/public/vendor/assets/lato-fonts/lato-bold.eot b/public/vendor/assets/lato-fonts/lato-bold.eot
deleted file mode 100644
index 3361183a41..0000000000
--- a/public/vendor/assets/lato-fonts/lato-bold.eot
+++ /dev/null
diff --git a/public/vendor/assets/lato-fonts/lato-bold.woff b/public/vendor/assets/lato-fonts/lato-bold.woff
deleted file mode 100644
index c6dff51f06..0000000000
--- a/public/vendor/assets/lato-fonts/lato-bold.woff
+++ /dev/null
diff --git a/public/vendor/assets/lato-fonts/lato-bold.woff2 b/public/vendor/assets/lato-fonts/lato-bold.woff2
deleted file mode 100644
index bb195043cf..0000000000
--- a/public/vendor/assets/lato-fonts/lato-bold.woff2
+++ /dev/null
diff --git a/public/vendor/assets/lato-fonts/lato-bolditalic.eot b/public/vendor/assets/lato-fonts/lato-bolditalic.eot
deleted file mode 100644
index 3d4154936b..0000000000
--- a/public/vendor/assets/lato-fonts/lato-bolditalic.eot
+++ /dev/null
diff --git a/public/vendor/assets/lato-fonts/lato-bolditalic.woff b/public/vendor/assets/lato-fonts/lato-bolditalic.woff
deleted file mode 100644
index 88ad05b9ff..0000000000
--- a/public/vendor/assets/lato-fonts/lato-bolditalic.woff
+++ /dev/null
diff --git a/public/vendor/assets/lato-fonts/lato-bolditalic.woff2 b/public/vendor/assets/lato-fonts/lato-bolditalic.woff2
deleted file mode 100644
index c4e3d804b5..0000000000
--- a/public/vendor/assets/lato-fonts/lato-bolditalic.woff2
+++ /dev/null
diff --git a/public/vendor/assets/lato-fonts/lato-italic.eot b/public/vendor/assets/lato-fonts/lato-italic.eot
deleted file mode 100644
index 3f826421a1..0000000000
--- a/public/vendor/assets/lato-fonts/lato-italic.eot
+++ /dev/null
diff --git a/public/vendor/assets/lato-fonts/lato-italic.woff b/public/vendor/assets/lato-fonts/lato-italic.woff
deleted file mode 100644
index 76114bc033..0000000000
--- a/public/vendor/assets/lato-fonts/lato-italic.woff
+++ /dev/null
diff --git a/public/vendor/assets/lato-fonts/lato-italic.woff2 b/public/vendor/assets/lato-fonts/lato-italic.woff2
deleted file mode 100644
index 3404f37e2e..0000000000
--- a/public/vendor/assets/lato-fonts/lato-italic.woff2
+++ /dev/null
diff --git a/public/vendor/assets/lato-fonts/lato-regular.eot b/public/vendor/assets/lato-fonts/lato-regular.eot
deleted file mode 100644
index 11e3f2a5f0..0000000000
--- a/public/vendor/assets/lato-fonts/lato-regular.eot
+++ /dev/null
diff --git a/public/vendor/assets/lato-fonts/lato-regular.woff b/public/vendor/assets/lato-fonts/lato-regular.woff
deleted file mode 100644
index ae1307ff5f..0000000000
--- a/public/vendor/assets/lato-fonts/lato-regular.woff
+++ /dev/null
diff --git a/public/vendor/assets/lato-fonts/lato-regular.woff2 b/public/vendor/assets/lato-fonts/lato-regular.woff2
deleted file mode 100644
index 3bf9843328..0000000000
--- a/public/vendor/assets/lato-fonts/lato-regular.woff2
+++ /dev/null
diff --git a/public/vendor/assets/lato-fonts/lato-v14-latin-700.eot b/public/vendor/assets/lato-fonts/lato-v14-latin-700.eot
deleted file mode 100644
index 9d8bfb6147..0000000000
--- a/public/vendor/assets/lato-fonts/lato-v14-latin-700.eot
+++ /dev/null
diff --git a/public/vendor/assets/lato-fonts/lato-v14-latin-700.woff b/public/vendor/assets/lato-fonts/lato-v14-latin-700.woff
deleted file mode 100644
index 1d9d75bc6a..0000000000
--- a/public/vendor/assets/lato-fonts/lato-v14-latin-700.woff
+++ /dev/null
diff --git a/public/vendor/assets/lato-fonts/lato-v14-latin-700.woff2 b/public/vendor/assets/lato-fonts/lato-v14-latin-700.woff2
deleted file mode 100644
index d88f1af8c8..0000000000
--- a/public/vendor/assets/lato-fonts/lato-v14-latin-700.woff2
+++ /dev/null
diff --git a/public/vendor/assets/lato-fonts/lato-v14-latin-700italic.eot b/public/vendor/assets/lato-fonts/lato-v14-latin-700italic.eot
deleted file mode 100644
index 80fdf1689c..0000000000
--- a/public/vendor/assets/lato-fonts/lato-v14-latin-700italic.eot
+++ /dev/null
diff --git a/public/vendor/assets/lato-fonts/lato-v14-latin-700italic.woff b/public/vendor/assets/lato-fonts/lato-v14-latin-700italic.woff
deleted file mode 100644
index f79d9a994a..0000000000
--- a/public/vendor/assets/lato-fonts/lato-v14-latin-700italic.woff
+++ /dev/null
diff --git a/public/vendor/assets/lato-fonts/lato-v14-latin-700italic.woff2 b/public/vendor/assets/lato-fonts/lato-v14-latin-700italic.woff2
deleted file mode 100644
index c351d88d81..0000000000
--- a/public/vendor/assets/lato-fonts/lato-v14-latin-700italic.woff2
+++ /dev/null
diff --git a/public/vendor/assets/lato-fonts/lato-v14-latin-italic.eot b/public/vendor/assets/lato-fonts/lato-v14-latin-italic.eot
deleted file mode 100644
index 3a697fa15a..0000000000
--- a/public/vendor/assets/lato-fonts/lato-v14-latin-italic.eot
+++ /dev/null
diff --git a/public/vendor/assets/lato-fonts/lato-v14-latin-italic.woff b/public/vendor/assets/lato-fonts/lato-v14-latin-italic.woff
deleted file mode 100644
index 169e8cf544..0000000000
--- a/public/vendor/assets/lato-fonts/lato-v14-latin-italic.woff
+++ /dev/null
diff --git a/public/vendor/assets/lato-fonts/lato-v14-latin-italic.woff2 b/public/vendor/assets/lato-fonts/lato-v14-latin-italic.woff2
deleted file mode 100644
index 2688dc6f7a..0000000000
--- a/public/vendor/assets/lato-fonts/lato-v14-latin-italic.woff2
+++ /dev/null
diff --git a/public/vendor/assets/lato-fonts/lato-v14-latin-regular.eot b/public/vendor/assets/lato-fonts/lato-v14-latin-regular.eot
deleted file mode 100644
index 2400e1284a..0000000000
--- a/public/vendor/assets/lato-fonts/lato-v14-latin-regular.eot
+++ /dev/null
diff --git a/public/vendor/assets/lato-fonts/lato-v14-latin-regular.woff b/public/vendor/assets/lato-fonts/lato-v14-latin-regular.woff
deleted file mode 100644
index 97ab144d9f..0000000000
--- a/public/vendor/assets/lato-fonts/lato-v14-latin-regular.woff
+++ /dev/null
diff --git a/public/vendor/assets/lato-fonts/lato-v14-latin-regular.woff2 b/public/vendor/assets/lato-fonts/lato-v14-latin-regular.woff2
deleted file mode 100644
index b14c76cab3..0000000000
--- a/public/vendor/assets/lato-fonts/lato-v14-latin-regular.woff2
+++ /dev/null
diff --git a/public/vendor/assets/lato-fonts/lato-v16-latin-700.eot b/public/vendor/assets/lato-fonts/lato-v16-latin-700.eot
new file mode 100644
index 0000000000..0d9dac2ff7
--- /dev/null
+++ b/public/vendor/assets/lato-fonts/lato-v16-latin-700.eot
diff --git a/public/vendor/assets/lato-fonts/lato-v14-latin-700.svg b/public/vendor/assets/lato-fonts/lato-v16-latin-700.svg
index 077653d202..077653d202 100644
--- a/public/vendor/assets/lato-fonts/lato-v14-latin-700.svg
+++ b/public/vendor/assets/lato-fonts/lato-v16-latin-700.svg
diff --git a/public/vendor/assets/lato-fonts/lato-v14-latin-700.ttf b/public/vendor/assets/lato-fonts/lato-v16-latin-700.ttf
index eeea013c53..4f3d84480b 100644
--- a/public/vendor/assets/lato-fonts/lato-v14-latin-700.ttf
+++ b/public/vendor/assets/lato-fonts/lato-v16-latin-700.ttf
diff --git a/public/vendor/assets/lato-fonts/lato-v16-latin-700.woff b/public/vendor/assets/lato-fonts/lato-v16-latin-700.woff
new file mode 100644
index 0000000000..abf0196d83
--- /dev/null
+++ b/public/vendor/assets/lato-fonts/lato-v16-latin-700.woff
diff --git a/public/vendor/assets/lato-fonts/lato-v16-latin-700.woff2 b/public/vendor/assets/lato-fonts/lato-v16-latin-700.woff2
new file mode 100644
index 0000000000..f8c37ecde4
--- /dev/null
+++ b/public/vendor/assets/lato-fonts/lato-v16-latin-700.woff2
diff --git a/public/vendor/assets/lato-fonts/lato-v16-latin-700italic.eot b/public/vendor/assets/lato-fonts/lato-v16-latin-700italic.eot
new file mode 100644
index 0000000000..1ab37ef7ba
--- /dev/null
+++ b/public/vendor/assets/lato-fonts/lato-v16-latin-700italic.eot
diff --git a/public/vendor/assets/lato-fonts/lato-v14-latin-700italic.svg b/public/vendor/assets/lato-fonts/lato-v16-latin-700italic.svg
index 3e9d4409b3..3e9d4409b3 100644
--- a/public/vendor/assets/lato-fonts/lato-v14-latin-700italic.svg
+++ b/public/vendor/assets/lato-fonts/lato-v16-latin-700italic.svg
diff --git a/public/vendor/assets/lato-fonts/lato-v14-latin-700italic.ttf b/public/vendor/assets/lato-fonts/lato-v16-latin-700italic.ttf
index 165eae5220..96b4f82347 100644
--- a/public/vendor/assets/lato-fonts/lato-v14-latin-700italic.ttf
+++ b/public/vendor/assets/lato-fonts/lato-v16-latin-700italic.ttf
diff --git a/public/vendor/assets/lato-fonts/lato-v16-latin-700italic.woff b/public/vendor/assets/lato-fonts/lato-v16-latin-700italic.woff
new file mode 100644
index 0000000000..cdf0d86aef
--- /dev/null
+++ b/public/vendor/assets/lato-fonts/lato-v16-latin-700italic.woff
diff --git a/public/vendor/assets/lato-fonts/lato-v16-latin-700italic.woff2 b/public/vendor/assets/lato-fonts/lato-v16-latin-700italic.woff2
new file mode 100644
index 0000000000..5b3f882d81
--- /dev/null
+++ b/public/vendor/assets/lato-fonts/lato-v16-latin-700italic.woff2
diff --git a/public/vendor/assets/lato-fonts/lato-v16-latin-italic.eot b/public/vendor/assets/lato-fonts/lato-v16-latin-italic.eot
new file mode 100644
index 0000000000..8e32803d7a
--- /dev/null
+++ b/public/vendor/assets/lato-fonts/lato-v16-latin-italic.eot
diff --git a/public/vendor/assets/lato-fonts/lato-v14-latin-italic.svg b/public/vendor/assets/lato-fonts/lato-v16-latin-italic.svg
index e288645b12..e288645b12 100644
--- a/public/vendor/assets/lato-fonts/lato-v14-latin-italic.svg
+++ b/public/vendor/assets/lato-fonts/lato-v16-latin-italic.svg
diff --git a/public/vendor/assets/lato-fonts/lato-v14-latin-italic.ttf b/public/vendor/assets/lato-fonts/lato-v16-latin-italic.ttf
index 1aa20364ea..cf3da8be2d 100644
--- a/public/vendor/assets/lato-fonts/lato-v14-latin-italic.ttf
+++ b/public/vendor/assets/lato-fonts/lato-v16-latin-italic.ttf
diff --git a/public/vendor/assets/lato-fonts/lato-v16-latin-italic.woff b/public/vendor/assets/lato-fonts/lato-v16-latin-italic.woff
new file mode 100644
index 0000000000..95251da094
--- /dev/null
+++ b/public/vendor/assets/lato-fonts/lato-v16-latin-italic.woff
diff --git a/public/vendor/assets/lato-fonts/lato-v16-latin-italic.woff2 b/public/vendor/assets/lato-fonts/lato-v16-latin-italic.woff2
new file mode 100644
index 0000000000..3246c1286f
--- /dev/null
+++ b/public/vendor/assets/lato-fonts/lato-v16-latin-italic.woff2
diff --git a/public/vendor/assets/lato-fonts/lato-v16-latin-regular.eot b/public/vendor/assets/lato-fonts/lato-v16-latin-regular.eot
new file mode 100644
index 0000000000..c641306967
--- /dev/null
+++ b/public/vendor/assets/lato-fonts/lato-v16-latin-regular.eot
diff --git a/public/vendor/assets/lato-fonts/lato-v14-latin-regular.svg b/public/vendor/assets/lato-fonts/lato-v16-latin-regular.svg
index 55b43fb86a..55b43fb86a 100644
--- a/public/vendor/assets/lato-fonts/lato-v14-latin-regular.svg
+++ b/public/vendor/assets/lato-fonts/lato-v16-latin-regular.svg
diff --git a/public/vendor/assets/lato-fonts/lato-v14-latin-regular.ttf b/public/vendor/assets/lato-fonts/lato-v16-latin-regular.ttf
index fa245a8a85..3c2d417ea4 100644
--- a/public/vendor/assets/lato-fonts/lato-v14-latin-regular.ttf
+++ b/public/vendor/assets/lato-fonts/lato-v16-latin-regular.ttf
diff --git a/public/vendor/assets/lato-fonts/lato-v16-latin-regular.woff b/public/vendor/assets/lato-fonts/lato-v16-latin-regular.woff
new file mode 100644
index 0000000000..189a0feb59
--- /dev/null
+++ b/public/vendor/assets/lato-fonts/lato-v16-latin-regular.woff
diff --git a/public/vendor/assets/lato-fonts/lato-v16-latin-regular.woff2 b/public/vendor/assets/lato-fonts/lato-v16-latin-regular.woff2
new file mode 100644
index 0000000000..6904b6649f
--- /dev/null
+++ b/public/vendor/assets/lato-fonts/lato-v16-latin-regular.woff2
diff --git a/templates/pwa/serviceworker_js.tmpl b/templates/pwa/serviceworker_js.tmpl
index c3e97030c1..4a7b3e516e 100644
--- a/templates/pwa/serviceworker_js.tmpl
+++ b/templates/pwa/serviceworker_js.tmpl
@@ -46,8 +46,8 @@ var urlsToCache = [
   // fonts
   '{{StaticUrlPrefix}}/vendor/plugins/fomantic/themes/default/assets/fonts/icons.woff2',
   '{{StaticUrlPrefix}}/vendor/assets/octicons/octicons.woff2?ef21c39f0ca9b1b5116e5eb7ac5eabe6',
-  '{{StaticUrlPrefix}}/vendor/assets/lato-fonts/lato-v14-latin-regular.woff2',
-  '{{StaticUrlPrefix}}/vendor/assets/lato-fonts/lato-v14-latin-700.woff2'
+  '{{StaticUrlPrefix}}/vendor/assets/lato-fonts/lato-v16-latin-regular.woff2',
+  '{{StaticUrlPrefix}}/vendor/assets/lato-fonts/lato-v16-latin-700.woff2'
 ];
 
 self.addEventListener('install', function (event) {
diff --git a/web_src/less/_base.less b/web_src/less/_base.less
index 50911487a7..721863a70f 100644
--- a/web_src/less/_base.less
+++ b/web_src/less/_base.less
@@ -1,33 +1,85 @@
+/* lato-regular - latin */
 @font-face {
     font-family: 'Lato';
-    src: url('../vendor/assets/lato-fonts/lato-regular.eot');
-    src: url('../vendor/assets/lato-fonts/lato-regular.eot?#iefix') format('embedded-opentype'), url('../vendor/assets/lato-fonts/lato-regular.woff2') format('woff2'), url('../vendor/assets/lato-fonts/lato-regular.woff') format('woff'), url('../vendor/assets/lato-fonts/lato-regular.ttf') format('truetype');
-    font-weight: 400;
     font-style: normal;
-}
-
+    font-weight: 400;
+    src: url('../vendor/assets/lato-fonts/lato-v16-latin-regular.eot'); /* IE9 Compat Modes */
+    src:
+        local('Lato Regular'),
+        local('Lato-Regular'),
+        /* IE6-IE8 */
+        url('../vendor/assets/lato-fonts/lato-v16-latin-regular.eot?#iefix') format('embedded-opentype'),
+        /* Super Modern Browsers */
+        url('../vendor/assets/lato-fonts/lato-v16-latin-regular.woff2') format('woff2'),
+        /* Modern Browsers */
+        url('../vendor/assets/lato-fonts/lato-v16-latin-regular.woff') format('woff'),
+        /* Safari, Android, iOS */
+        url('../vendor/assets/lato-fonts/lato-v16-latin-regular.ttf') format('truetype'),
+        /* Legacy iOS */
+        url('../vendor/assets/lato-fonts/lato-v16-latin-regular.svg#Lato') format('svg');
+}
+
+/* lato-italic - latin */
 @font-face {
     font-family: 'Lato';
-    src: url('../vendor/assets/lato-fonts/lato-italic.eot');
-    src: url('../vendor/assets/lato-fonts/lato-italic.eot?#iefix') format('embedded-opentype'), url('../vendor/assets/lato-fonts/lato-italic.woff2') format('woff2'), url('../vendor/assets/lato-fonts/lato-italic.woff') format('woff'), url('../vendor/assets/lato-fonts/lato-italic.ttf') format('truetype');
-    font-weight: 400;
     font-style: italic;
-}
-
+    font-weight: 400;
+    src: url('../vendor/assets/lato-fonts/lato-v16-latin-italic.eot'); /* IE9 Compat Modes */
+    src:
+        local('Lato Italic'),
+        local('Lato-Italic'),
+        /* IE6-IE8 */
+        url('../vendor/assets/lato-fonts/lato-v16-latin-italic.eot?#iefix') format('embedded-opentype'),
+        /* Super Modern Browsers */
+        url('../vendor/assets/lato-fonts/lato-v16-latin-italic.woff2') format('woff2'),
+        /* Modern Browsers */
+        url('../vendor/assets/lato-fonts/lato-v16-latin-italic.woff') format('woff'),
+        /* Safari, Android, iOS */
+        url('../vendor/assets/lato-fonts/lato-v16-latin-italic.ttf') format('truetype'),
+        /* Legacy iOS */
+        url('../vendor/assets/lato-fonts/lato-v16-latin-italic.svg#Lato') format('svg');
+}
+
+/* lato-700 - latin */
 @font-face {
     font-family: 'Lato';
-    src: url('../vendor/assets/lato-fonts/lato-bold.eot');
-    src: url('../vendor/assets/lato-fonts/lato-bold.eot?#iefix') format('embedded-opentype'), url('../vendor/assets/lato-fonts/lato-bold.woff2') format('woff2'), url('../vendor/assets/lato-fonts/lato-bold.woff') format('woff'), url('../vendor/assets/lato-fonts/lato-bold.ttf') format('truetype');
-    font-weight: 700;
     font-style: normal;
-}
-
+    font-weight: 700;
+    src: url('../vendor/assets/lato-fonts/lato-v16-latin-700.eot'); /* IE9 Compat Modes */
+    src:
+        local('Lato Bold'),
+        local('Lato-Bold'),
+        /* IE6-IE8 */
+        url('../vendor/assets/lato-fonts/lato-v16-latin-700.eot?#iefix') format('embedded-opentype'),
+        /* Super Modern Browsers */
+        url('../vendor/assets/lato-fonts/lato-v16-latin-700.woff2') format('woff2'),
+        /* Modern Browsers */
+        url('../vendor/assets/lato-fonts/lato-v16-latin-700.woff') format('woff'),
+        /* Safari, Android, iOS */
+        url('../vendor/assets/lato-fonts/lato-v16-latin-700.ttf') format('truetype'),
+        /* Legacy iOS */
+        url('../vendor/assets/lato-fonts/lato-v16-latin-700.svg#Lato') format('svg');
+}
+
+/* lato-700italic - latin */
 @font-face {
     font-family: 'Lato';
-    src: url('../vendor/assets/lato-fonts/lato-bolditalic.eot');
-    src: url('../vendor/assets/lato-fonts/lato-bolditalic.eot?#iefix') format('embedded-opentype'), url('../vendor/assets/lato-fonts/lato-bolditalic.woff2') format('woff2'), url('../vendor/assets/lato-fonts/lato-bolditalic.woff') format('woff'), url('../vendor/assets/lato-fonts/lato-bolditalic.ttf') format('truetype');
-    font-weight: 700;
     font-style: italic;
+    font-weight: 700;
+    src: url('../vendor/assets/lato-fonts/lato-v16-latin-700italic.eot'); /* IE9 Compat Modes */
+    src:
+        local('Lato Bold Italic'),
+        local('Lato-BoldItalic'),
+        /* IE6-IE8 */
+        url('../vendor/assets/lato-fonts/lato-v16-latin-700italic.eot?#iefix') format('embedded-opentype'),
+        /* Super Modern Browsers */
+        url('../vendor/assets/lato-fonts/lato-v16-latin-700italic.woff2') format('woff2'),
+        /* Modern Browsers */
+        url('../vendor/assets/lato-fonts/lato-v16-latin-700italic.woff') format('woff'),
+        /* Safari, Android, iOS */
+        url('../vendor/assets/lato-fonts/lato-v16-latin-700italic.ttf') format('truetype'),
+        /* Legacy iOS */
+        url('../vendor/assets/lato-fonts/lato-v16-latin-700italic.svg#Lato') format('svg');
 }
 
 @font-face {