diff --git a/views/DE/404.pug b/views/DE/404.pug
index 28d105ae7464ac0ecc218d73ad5b6f5a0d65f825..5a16f0863287e4c4728d22cb6b594203d1fd9edc 100644
--- a/views/DE/404.pug
+++ b/views/DE/404.pug
@@ -4,7 +4,7 @@ html(lang="de")
     title= "404 - Page not found"
     meta(charset="UTF-8")
     meta(name="viewport", content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no")
-    link(rel="stylesheet", type="text/css", href="/css/bootstrap.css")
+    link(rel="stylesheet", type="text/css", href="/css/bootstrap.min.css")
     style.
       .container { 
         height: 400px;
diff --git a/views/DE/500.pug b/views/DE/500.pug
index b18e630cbae156b148b0a831253d57ea342744ec..aea0e76c327decde492f063feeac5a7a364a9ac4 100644
--- a/views/DE/500.pug
+++ b/views/DE/500.pug
@@ -4,7 +4,7 @@ html(lang="de")
     title= "500 - Internal Server Error"
     meta(charset="UTF-8")
     meta(name="viewport", content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no")
-    link(rel="stylesheet", type="text/css", href="/css/bootstrap.css")
+    link(rel="stylesheet", type="text/css", href="/css/bootstrap.min.css")
     style.
       .container { 
         height: 400px;
diff --git a/views/DE/account/contact.pug b/views/DE/account/contact.pug
index 68dc8f037948d662c5ac6e8d7d8ebbceedff2f5d..67107cf97428ed9e4eff11d8b5de2f7802b11d9f 100644
--- a/views/DE/account/contact.pug
+++ b/views/DE/account/contact.pug
@@ -4,8 +4,8 @@ html(lang="de")
     title= "Kontakt"
     meta(charset="UTF-8")
     meta(name="viewport", content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no")
-    link(rel="stylesheet", type="text/css", href="/css/bootstrap.css")
     link(rel="stylesheet", type="text/css", href="/css/bootstrap.min.css")
+    link(rel="stylesheet", type="text/css", href="/css/m4lab.css")
     link(rel="stylesheet", type="text/css", href="/fonts/ionicons.min.css")
     link(rel="stylesheet", type="text/css", href="/css/Contact-Form-Clean.css")
     link(rel="stylesheet", type="text/css", href="/css/Testimonials.css")
diff --git a/views/DE/account/forgotPwd.pug b/views/DE/account/forgotPwd.pug
index 8b8669f65665e027c9e7d3b9ed12b0d83bdcc416..75390a804545e10751dac8bf6b08502b3ce29caa 100644
--- a/views/DE/account/forgotPwd.pug
+++ b/views/DE/account/forgotPwd.pug
@@ -4,7 +4,8 @@ html(lang="de")
     title= "Forgot Password"
     meta(charset="UTF-8")
     meta(name="viewport", content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no")
-    link(rel="stylesheet", type="text/css", href="/css/bootstrap.css")
+    link(rel="stylesheet", type="text/css", href="/css/bootstrap.min.css")
+    link(rel="stylesheet", type="text/css", href="/css/m4lab.css")
     link(rel="stylesheet", type="text/css", href="/css/custom/login.css")
     link(rel="stylesheet", href="https://use.fontawesome.com/releases/v5.8.2/css/all.css", integrity="sha384-oS3vJWv+0UjzBfQzYUhtDYW+Pj2yciDJxpsK1OYPAYjqT085Qq/1cq5FLXAZQ7Ay", crossorigin="anonymous")
   body
diff --git a/views/DE/account/home.pug b/views/DE/account/home.pug
index 0d42723272db9b6ae98ae1e784d4556eaf0e4631..54c4ced06d6cc73a0282137f68510d4b75cf2a22 100644
--- a/views/DE/account/home.pug
+++ b/views/DE/account/home.pug
@@ -4,7 +4,8 @@ html(lang="de")
     title= "User Account"
     meta(charset="UTF-8")
     meta(name="viewport", content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no")
-    link(rel="stylesheet", type="text/css", href="/css/bootstrap.css")
+    link(rel="stylesheet", type="text/css", href="/css/bootstrap.min.css")
+    link(rel="stylesheet", type="text/css", href="/css/m4lab.css")
     link(rel="stylesheet", href="https://use.fontawesome.com/releases/v5.8.2/css/all.css", integrity="sha384-oS3vJWv+0UjzBfQzYUhtDYW+Pj2yciDJxpsK1OYPAYjqT085Qq/1cq5FLXAZQ7Ay", crossorigin="anonymous")
   body
     div(class="container")
diff --git a/views/DE/account/profile.pug b/views/DE/account/profile.pug
index 5ea7640ab479d2bb4d80c4476ae65f8aba83410b..190fc1c7a9ff7c900a8bf2e55065865cf954ab27 100644
--- a/views/DE/account/profile.pug
+++ b/views/DE/account/profile.pug
@@ -4,7 +4,8 @@ html(lang="de")
     title= "User Profile"
     meta(charset="UTF-8")
     meta(name="viewport", content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no")
-    link(rel="stylesheet", type="text/css", href="/css/bootstrap.css")
+    link(rel="stylesheet", type="text/css", href="/css/bootstrap.min.css")
+    link(rel="stylesheet", type="text/css", href="/css/m4lab.css")
     link(rel="stylesheet", href="https://use.fontawesome.com/releases/v5.8.2/css/all.css", integrity="sha384-oS3vJWv+0UjzBfQzYUhtDYW+Pj2yciDJxpsK1OYPAYjqT085Qq/1cq5FLXAZQ7Ay", crossorigin="anonymous")
   body
     div(class="container")
diff --git a/views/DE/account/registration.pug b/views/DE/account/registration.pug
index 5d169e73d02c62ab8ddd446c6ac24f4918537ba3..39fc405de3a0a70555a373cc94e01fdd16cdad10 100644
--- a/views/DE/account/registration.pug
+++ b/views/DE/account/registration.pug
@@ -4,7 +4,8 @@ html(lang="de")
     title= "Create New Account"
     meta(charset="UTF-8")
     meta(name="viewport", content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no")
-    link(rel="stylesheet", type="text/css", href="/css/bootstrap.css")
+    link(rel="stylesheet", type="text/css", href="/css/bootstrap.min.css")
+    link(rel="stylesheet", type="text/css", href="/css/m4lab.css")
     link(rel="stylesheet", href="https://use.fontawesome.com/releases/v5.8.2/css/all.css", integrity="sha384-oS3vJWv+0UjzBfQzYUhtDYW+Pj2yciDJxpsK1OYPAYjqT085Qq/1cq5FLXAZQ7Ay", crossorigin="anonymous")
     style.
         .warning {
diff --git a/views/DE/account/reset.pug b/views/DE/account/reset.pug
index bfc3251d551c6aaed2643e22f91791dc29bd759b..a6ef872a20e5f0c4c1345bc0dcc0b9a1779e5416 100644
--- a/views/DE/account/reset.pug
+++ b/views/DE/account/reset.pug
@@ -4,7 +4,8 @@ html(lang="de")
     title= "Reset Password"
     meta(charset="UTF-8")
     meta(name="viewport", content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no")
-    link(rel="stylesheet", type="text/css", href="/css/bootstrap.css")
+    link(rel="stylesheet", type="text/css", href="/css/bootstrap.min.css")
+    link(rel="stylesheet", type="text/css", href="/css/m4lab.css")
     link(rel="stylesheet", type="text/css", href="/css/custom/login.css")
     link(rel="stylesheet", href="https://use.fontawesome.com/releases/v5.8.2/css/all.css", integrity="sha384-oS3vJWv+0UjzBfQzYUhtDYW+Pj2yciDJxpsK1OYPAYjqT085Qq/1cq5FLXAZQ7Ay", crossorigin="anonymous")
   body
diff --git a/views/DE/account/security.pug b/views/DE/account/security.pug
index d060e233172473f1626c71af91290f8d61bac012..81da0660528ec831556790aa9b89f34ada1758b1 100644
--- a/views/DE/account/security.pug
+++ b/views/DE/account/security.pug
@@ -4,7 +4,8 @@ html(lang="de")
     title= "User Profile"
     meta(charset="UTF-8")
     meta(name="viewport", content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no")
-    link(rel="stylesheet", type="text/css", href="/css/bootstrap.css")
+    link(rel="stylesheet", type="text/css", href="/css/bootstrap.min.css")
+    link(rel="stylesheet", type="text/css", href="/css/m4lab.css")
     link(rel="stylesheet", href="https://use.fontawesome.com/releases/v5.8.2/css/all.css", integrity="sha384-oS3vJWv+0UjzBfQzYUhtDYW+Pj2yciDJxpsK1OYPAYjqT085Qq/1cq5FLXAZQ7Ay", crossorigin="anonymous")
     style.
         .warning {
diff --git a/views/DE/account/services.pug b/views/DE/account/services.pug
index bb9dba43c55e48ca14aceee18670ff01aec648ba..a2015cd9d0140148031bdfb8b22d954176f63413 100644
--- a/views/DE/account/services.pug
+++ b/views/DE/account/services.pug
@@ -4,7 +4,8 @@ html(lang="de")
     title= "User Profile"
     meta(charset="UTF-8")
     meta(name="viewport", content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no")
-    link(rel="stylesheet", type="text/css", href="/css/bootstrap.css")
+    link(rel="stylesheet", type="text/css", href="/css/bootstrap.min.css")
+    link(rel="stylesheet", type="text/css", href="/css/m4lab.css")
     link(rel="stylesheet", href="https://use.fontawesome.com/releases/v5.8.2/css/all.css", integrity="sha384-oS3vJWv+0UjzBfQzYUhtDYW+Pj2yciDJxpsK1OYPAYjqT085Qq/1cq5FLXAZQ7Ay", crossorigin="anonymous")
   body
     div(class="container")
diff --git a/views/DE/account/verification.pug b/views/DE/account/verification.pug
index a5518385d140d8c51d0b485087e46097b01d98ec..10cdea0812ca6fe472167f50d21809057929ad3c 100644
--- a/views/DE/account/verification.pug
+++ b/views/DE/account/verification.pug
@@ -4,7 +4,8 @@ html(lang="de")
     title= "User Verification"
     meta(charset="UTF-8")
     meta(name="viewport", content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no")
-    link(rel="stylesheet", type="text/css", href="/css/bootstrap.css")
+    link(rel="stylesheet", type="text/css", href="/css/bootstrap.min.css")
+    link(rel="stylesheet", type="text/css", href="/css/m4lab.css")
     style.
       .container { 
         height: 400px;
diff --git a/views/DE/project/addProjectOverview.pug b/views/DE/project/addProjectOverview.pug
index 5752e8b9d13e54bf75971a3c0339aa908b4f966c..8119c861d9044d7434cccf23c442e754e1cec1d3 100644
--- a/views/DE/project/addProjectOverview.pug
+++ b/views/DE/project/addProjectOverview.pug
@@ -4,7 +4,8 @@ html(lang="de")
     title= "Add Project Overview"
     meta(charset="UTF-8")
     meta(name="viewport", content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no")
-    link(rel="stylesheet", type="text/css", href="/css/bootstrap.css")
+    link(rel="stylesheet", type="text/css", href="/css/bootstrap.min.css")
+    link(rel="stylesheet", type="text/css", href="/css/m4lab.css")
     link(rel="stylesheet", href="https://use.fontawesome.com/releases/v5.8.2/css/all.css", integrity="sha384-oS3vJWv+0UjzBfQzYUhtDYW+Pj2yciDJxpsK1OYPAYjqT085Qq/1cq5FLXAZQ7Ay", crossorigin="anonymous")
     // jQuery UI - Datepicker
     link(rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css")
diff --git a/views/DE/project/landingpage.pug b/views/DE/project/landingpage.pug
index f5263243d093873f91c2b3d34f00d861c06b0468..5aaf31a55ee19cf7e14239e1f361b032eb8e0603 100644
--- a/views/DE/project/landingpage.pug
+++ b/views/DE/project/landingpage.pug
@@ -4,7 +4,8 @@ html(lang="de")
     title= "Project List"
     meta(charset="UTF-8")
     meta(name="viewport", content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no")
-    link(rel="stylesheet", type="text/css", href="/css/bootstrap.css")
+    link(rel="stylesheet", type="text/css", href="/css/bootstrap.min.css")
+    link(rel="stylesheet", type="text/css", href="/css/m4lab.css")
     link(rel="stylesheet", href="https://use.fontawesome.com/releases/v5.8.2/css/all.css", integrity="sha384-oS3vJWv+0UjzBfQzYUhtDYW+Pj2yciDJxpsK1OYPAYjqT085Qq/1cq5FLXAZQ7Ay", crossorigin="anonymous")
 
   body
diff --git a/views/DE/project/mailinglists.pug b/views/DE/project/mailinglists.pug
index a676a7f83f1df7d89cb7556c63d9d7a887f40918..bf3c747b17ea77fdeb1c284f4d15bfd36509ad5a 100644
--- a/views/DE/project/mailinglists.pug
+++ b/views/DE/project/mailinglists.pug
@@ -3,7 +3,8 @@ html(lang="de")
     title= "Mailinglisten"
     meta(charset="UTF-8")
     meta(name="viewport" content="width=device-width, initial-scale=1.0, shrink-to-fit=no")
-    link(rel="stylesheet", type="text/css", href="/css/bootstrap.css")
+    link(rel="stylesheet", type="text/css", href="/css/bootstrap.min.css")
+    link(rel="stylesheet", type="text/css", href="/css/m4lab.css")
     link(rel="stylesheet", href="https://use.fontawesome.com/releases/v5.8.2/css/all.css", integrity="sha384-oS3vJWv+0UjzBfQzYUhtDYW+Pj2yciDJxpsK1OYPAYjqT085Qq/1cq5FLXAZQ7Ay", crossorigin="anonymous")
     link(rel="stylesheet" href="/fonts/ionicons.min.css")
     link(rel="stylesheet" href="/css/Testimonials.css")
diff --git a/views/DE/project/project-simplified.pug b/views/DE/project/project-simplified.pug
index a7f317b77723ab65a994c6e23bd4dee7b8bb0a1e..5219c290af264dca1e6ffb0948541986ee3e5a8b 100644
--- a/views/DE/project/project-simplified.pug
+++ b/views/DE/project/project-simplified.pug
@@ -4,7 +4,8 @@ html(lang="de")
     title= "Project List"
     meta(charset="UTF-8")
     meta(name="viewport", content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no")
-    link(rel="stylesheet", type="text/css", href="/css/bootstrap.css")
+    link(rel="stylesheet", type="text/css", href="/css/bootstrap.min.css")
+    link(rel="stylesheet", type="text/css", href="/css/m4lab.css")
     link(rel="stylesheet", href="https://use.fontawesome.com/releases/v5.8.2/css/all.css", integrity="sha384-oS3vJWv+0UjzBfQzYUhtDYW+Pj2yciDJxpsK1OYPAYjqT085Qq/1cq5FLXAZQ7Ay", crossorigin="anonymous")
     style.
       .help .card-title > a:before {
diff --git a/views/DE/project/projectOverview.pug b/views/DE/project/projectOverview.pug
index 5d759bd1e5abee45aa3c5c701c3d741bd232be6d..512534c2012bf74c087e727ddbfa886b6d10dbde 100644
--- a/views/DE/project/projectOverview.pug
+++ b/views/DE/project/projectOverview.pug
@@ -4,7 +4,8 @@ html(lang="de")
     title= "Project List"
     meta(charset="UTF-8")
     meta(name="viewport", content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no")
-    link(rel="stylesheet", type="text/css", href="/css/bootstrap.css")
+    link(rel="stylesheet", type="text/css", href="/css/bootstrap.min.css")
+    link(rel="stylesheet", type="text/css", href="/css/m4lab.css")
     link(rel="stylesheet", href="https://use.fontawesome.com/releases/v5.8.2/css/all.css", integrity="sha384-oS3vJWv+0UjzBfQzYUhtDYW+Pj2yciDJxpsK1OYPAYjqT085Qq/1cq5FLXAZQ7Ay", crossorigin="anonymous")
 
   body
diff --git a/views/DE/project/projects.pug b/views/DE/project/projects.pug
index 95ec98e614d4c265877c19a9b8fbf9938a7aba0e..44748f8ad7baf609a8776e7a2ffd9f7ef7ea8102 100644
--- a/views/DE/project/projects.pug
+++ b/views/DE/project/projects.pug
@@ -5,7 +5,7 @@ html(lang="de")
     meta(charset="UTF-8")
     meta(name="viewport", content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no")
     link(rel="stylesheet", type="text/css", href="/css/bootstrap.min.css")
-    link(rel="stylesheet", type="text/css", href="/css/bootstrap.css")
+    link(rel="stylesheet", type="text/css", href="/css/m4lab.css")
     link(rel="stylesheet", href="https://use.fontawesome.com/releases/v5.8.2/css/all.css", integrity="sha384-oS3vJWv+0UjzBfQzYUhtDYW+Pj2yciDJxpsK1OYPAYjqT085Qq/1cq5FLXAZQ7Ay", crossorigin="anonymous")
 
   body
diff --git a/views/DE/project/videoconferences.pug b/views/DE/project/videoconferences.pug
index 6c82511fac179a31baa7c94680e4e0ec052f43f8..de48a2a48ab17fad65aebb0ffb8c3610c8f3b6a1 100644
--- a/views/DE/project/videoconferences.pug
+++ b/views/DE/project/videoconferences.pug
@@ -4,7 +4,8 @@ html(lang="de")
     title= "Project List"
     meta(charset="UTF-8")
     meta(name="viewport", content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no")
-    link(rel="stylesheet", type="text/css", href="/css/bootstrap.css")
+    link(rel="stylesheet", type="text/css", href="/css/bootstrap.min.css")
+    link(rel="stylesheet", type="text/css", href="/css/m4lab.css")
     link(rel="stylesheet", href="https://use.fontawesome.com/releases/v5.8.2/css/all.css", integrity="sha384-oS3vJWv+0UjzBfQzYUhtDYW+Pj2yciDJxpsK1OYPAYjqT085Qq/1cq5FLXAZQ7Ay", crossorigin="anonymous")
   body
     div(class="flex-container")