Issue 5903 - Change help.eyeo.com bold-weight from 700 to a semi-bold weight

static/scss/base/_font.scss

 // This file is part of help.eyeo.com.
 // Copyright (C) 2017-present eyeo GmbH
 //
 // help.eyeo.com is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 //
 // help.eyeo.com is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 //
 // You should have received a copy of the GNU General Public License
 // along with help.eyeo.com.  If not, see <http://www.gnu.org/licenses/>.
 
 @font-face
 {
   font-family: "Source Sans Pro";
-  font-weight: 300;
+  font-weight: 400;
   font-style: normal;
-  src: url("../fonts/Source-Sans-Pro-300/Source-Sans-Pro-300.eot");
-  src: url("../fonts/Source-Sans-Pro-300/Source-Sans-Pro-300.eot?#iefix") format("embedded-opentype"),
-    local("Source Sans Pro Light"),
-    local("Source-Sans-Pro-300"),
-    url("../fonts/Source-Sans-Pro-300/Source-Sans-Pro-300.woff2") format("woff2"),
-    url("../fonts/Source-Sans-Pro-300/Source-Sans-Pro-300.woff") format("woff"),
-    url("../fonts/Source-Sans-Pro-300/Source-Sans-Pro-300.ttf") format("truetype"),
-    url("../fonts/Source-Sans-Pro-300/Source-Sans-Pro-300.svg#SourceSansPro") format("svg");
+  src: url("../fonts/Source-Sans-Pro-400/Source-Sans-Pro-400.eot");
+  src: url("../fonts/Source-Sans-Pro-400/Source-Sans-Pro-400.eot?#iefix") format("embedded-opentype"),
+       local("Source Sans Pro"),
+       local("Source-Sans-Pro-400"),
+       url("../fonts/Source-Sans-Pro-400/Source-Sans-Pro-400.woff2") format("woff2"),
+       url("../fonts/Source-Sans-Pro-400/Source-Sans-Pro-400.woff") format("woff"),
+       url("../fonts/Source-Sans-Pro-400/Source-Sans-Pro-400.ttf") format("truetype"),
+       url("../fonts/Source-Sans-Pro-400/Source-Sans-Pro-400.svg#SourceSansPro") format("svg");
 }
 
 @font-face
 {
   font-family: "Source Sans Pro";
-  font-weight: 400;
+  font-weight: 600;
   font-style: normal;
-  src: url("../fonts/Source-Sans-Pro-400/Source-Sans-Pro-400.eot");
-  src: url("../fonts/Source-Sans-Pro-400/Source-Sans-Pro-400.eot?#iefix") format("embedded-opentype"),
-    local("Source Sans Pro"),
-    local("Source-Sans-Pro-400"),
-    url("../fonts/Source-Sans-Pro-400/Source-Sans-Pro-400.woff2") format("woff2"),
-    url("../fonts/Source-Sans-Pro-400/Source-Sans-Pro-400.woff") format("woff"),
-    url("../fonts/Source-Sans-Pro-400/Source-Sans-Pro-400.ttf") format("truetype"),
-    url("../fonts/Source-Sans-Pro-400/Source-Sans-Pro-400.svg#SourceSansPro") format("svg");
+  src: url("../fonts/Source-Sans-Pro-600/Source-Sans-Pro-600.eot");
+  src: url("../fonts/Source-Sans-Pro-600/Source-Sans-Pro-600.eot?#iefix") format("embedded-opentype"),
+       local("Source Sans Pro Semibold"),
+       local("Source-Sans-Pro-600"),
+       url("../fonts/Source-Sans-Pro-600/Source-Sans-Pro-600.woff2") format("woff2"),
+       url("../fonts/Source-Sans-Pro-600/Source-Sans-Pro-600.woff") format("woff"),
+       url("../fonts/Source-Sans-Pro-600/Source-Sans-Pro-600.ttf") format("truetype");
 }
-
-@font-face
-{
-  font-family: "Source Sans Pro";
-  font-weight: 700;
-  font-style: normal;
-  src: url("../fonts/Source-Sans-Pro-700/Source-Sans-Pro-700.eot");
-  src: url("../fonts/Source-Sans-Pro-700/Source-Sans-Pro-700.eot?#iefix") format("embedded-opentype"),
-    local("Source Sans Pro Bold"),
-    local("Source-Sans-Pro-700"),
-    url("../fonts/Source-Sans-Pro-700/Source-Sans-Pro-700.woff2") format("woff2"),
-    url("../fonts/Source-Sans-Pro-700/Source-Sans-Pro-700.woff") format("woff"),
-    url("../fonts/Source-Sans-Pro-700/Source-Sans-Pro-700.ttf") format("truetype"),
-    url("../fonts/Source-Sans-Pro-700/Source-Sans-Pro-700.svg#SourceSansPro") format("svg");
-}