add and style footer, keep footer always on bottom of the viewport

assets/stylesheets/footer.css

@@ -0,0 +1,66 @@
+#footer {
+  margin: var(--grid-gutter) 0;
+  padding-top: var(--grid-gutter);
+
+  border-top: 2px solid var(--color-bg-separator);
+
+  & .upper {
+    display: flex;
+
+    & > * {
+      display: flex;
+      align-items: center;
+    }
+
+    & .navigation {
+      flex: 1 0 auto;
+      font-size: 0.9em;
+
+      & ul {
+        display: flex;
+        list-style: none;
+        margin: 0;
+        padding: 0;
+
+        & li {
+          margin: 0;
+
+          & + li {
+            margin-left: calc(var(--grid-gutter) * 2);
+          }
+        }
+      }
+    }
+
+    & .apps {
+      flex: 0 0 auto;
+
+      & a {
+        display: inline-block;
+        width: 150px;
+
+        & + a {
+          margin-left: var(--grid-gutter);
+        }
+
+        & img {
+          width: 100%;
+          height: auto;
+        }
+      }
+    }
+  }
+  & .lower {
+    display: flex;
+
+    & .disclaimer {
+      flex: 1 0 auto;
+      font-size: 0.7em;
+      color: var(--color-text-grey);
+    }
+    & .social {
+      flex: 0 0 auto;
+    }
+  }
+}
+

assets/stylesheets/global.css

@@ -6,6 +6,21 @@ body {
   line-height: var(--line-height);
 }
 
+#main {
+  display: flex;
+  flex-direction: column;
+  min-height: 100vh;
+}
+#main__header {
+  flex: 0 0 auto;
+}
+#main__content {
+  flex: 1 0 auto;
+}
+#main__footer {
+  flex: 0 0 auto;
+}
+
 .wrapper {
   max-width: 1024px;
   margin: 0 auto;

assets/stylesheets/header.css

@@ -1,10 +1,9 @@
-.header {
+#header {
   display: flex;
   flex-wrap: wrap;
 
-  margin-top: var(--grid-gutter);
+  margin: var(--grid-gutter) 0;
   padding-bottom: var(--grid-gutter);
-  margin-bottom: var(--grid-gutter);
 
   border-bottom: 2px solid var(--color-bg-separator);
 
@@ -34,43 +33,8 @@
       flex: 1 0 auto;
     }
   }
-}
 
-.header__navarea {
+  & .navigation {
-  & form {
-    display: flex;
-    flex-wrap: wrap;
-
-    @media (--breakpoint-desktop) {
-      justify-content: flex-end;
-    }
-
-    & > * {
-      flex: 0 0 auto;
-    }
-
-    & fieldset {
-      padding: 0.2em 1em;
-      margin: 0;
-      border: none;
-      background: var(--color-bg-grey);
-      color: var(--color-text-grey);
-      border-radius: var(--border-radius);
-      font-size: 0.8em;
-
-      & + fieldset {
-        margin-left: var(--grid-gutter)
-      }
-
-      & label + select {
-        margin-left: 0.5em;
-      }
-    }
-  }
-}
-
-.navigation {
-  & nav {
     & ul {
       display: flex;
       list-style: none;
@@ -111,3 +75,36 @@
   }
 }
 
+.header__navarea {
+  & form {
+    display: flex;
+    flex-wrap: wrap;
+
+    @media (--breakpoint-desktop) {
+      justify-content: flex-end;
+    }
+
+    & > * {
+      flex: 0 0 auto;
+    }
+
+    & fieldset {
+      padding: 0.2em 1em;
+      margin: 0;
+      border: none;
+      background: var(--color-bg-grey);
+      color: var(--color-text-grey);
+      border-radius: var(--border-radius);
+      font-size: 0.8em;
+
+      & + fieldset {
+        margin-left: var(--grid-gutter)
+      }
+
+      & label + select {
+        margin-left: 0.5em;
+      }
+    }
+  }
+}
+

assets/stylesheets/style.css

@@ -5,6 +5,7 @@
 @import './typography';
 @import './global';
 @import './header';
+@import './footer';
 
 @import './homepage';
 @import './course';

public/stylesheets/style.css

@@ -468,6 +468,35 @@ body {
   line-height: 1.5em;
 }
 
+#main {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -webkit-box-orient: vertical;
+  -webkit-box-direction: normal;
+      -ms-flex-direction: column;
+          flex-direction: column;
+  min-height: 100vh;
+}
+
+#main__header {
+  -webkit-box-flex: 0;
+      -ms-flex: 0 0 auto;
+          flex: 0 0 auto;
+}
+
+#main__content {
+  -webkit-box-flex: 1;
+      -ms-flex: 1 0 auto;
+          flex: 1 0 auto;
+}
+
+#main__footer {
+  -webkit-box-flex: 0;
+      -ms-flex: 0 0 auto;
+          flex: 0 0 auto;
+}
+
 .wrapper {
   max-width: 1024px;
   margin: 0 auto;
@@ -643,34 +672,31 @@ body {
   font-weight: bold;
 }
 
-.header {
+#header {
   display: -webkit-box;
   display: -ms-flexbox;
   display: flex;
   -ms-flex-wrap: wrap;
       flex-wrap: wrap;
 
-  margin-top: 16px;
+  margin: 16px 0;
-  
+  margin: 1rem 0;
-  margin-top: 1rem;
   padding-bottom: 16px;
   padding-bottom: 1rem;
-  margin-bottom: 16px;
-  margin-bottom: 1rem;
 
   border-bottom: 2px solid #f2f5f7;
 }
 
 @media (min-width: 700px) {
 
-  .header {
+  #header {
     -ms-flex-wrap: nowrap;
         flex-wrap: nowrap;
   }
 }
 
-.header .header__logo,
+#header .header__logo,
-  .header .header__navarea {
+  #header .header__navarea {
   display: -webkit-box;
   display: -ms-flexbox;
   display: flex;
@@ -679,7 +705,7 @@ body {
           flex: 0 0 100%;
 }
 
-.header .header__logo {
+#header .header__logo {
   -webkit-box-align: center;
       -ms-flex-align: center;
           align-items: center;
@@ -687,14 +713,14 @@ body {
 
 @media (min-width: 700px) {
 
-  .header .header__logo {
+  #header .header__logo {
     -webkit-box-flex: 0;
         -ms-flex: 0 0 200px;
             flex: 0 0 200px;
   }
 }
 
-.header .header__navarea {
+#header .header__navarea {
   -webkit-box-orient: vertical;
   -webkit-box-direction: normal;
       -ms-flex-direction: column;
@@ -705,13 +731,60 @@ body {
 
 @media (min-width: 700px) {
 
-  .header .header__navarea {
+  #header .header__navarea {
     -webkit-box-flex: 1;
         -ms-flex: 1 0 auto;
             flex: 1 0 auto;
   }
 }
 
+#header .navigation ul {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  list-style: none;
+  -ms-flex-wrap: wrap;
+      flex-wrap: wrap;
+  margin: 0;
+  padding: 0;
+}
+
+@media (min-width: 700px) {
+
+  #header .navigation ul {
+    -webkit-box-pack: end;
+        -ms-flex-pack: end;
+            justify-content: flex-end;
+  }
+}
+
+#header .navigation ul li {
+  margin: 0;
+}
+
+#header .navigation ul li + li {
+  margin-left: 4px;
+  margin-left: 0.25rem;
+}
+
+#header .navigation ul li a {
+  display: block;
+  text-transform: uppercase;
+  font-weight: bold;
+  padding: 0.7em 1em;
+  color: #8091a5;
+  border-radius: 3px;
+}
+
+#header .navigation ul li a.active,
+          #header .navigation ul li a:hover {
+  background: #f7f9fa;
+}
+
+#header .navigation ul li a.active {
+  color: #2a303a;
+}
+
 .header__navarea form {
   display: -webkit-box;
   display: -ms-flexbox;
@@ -754,51 +827,94 @@ body {
   margin-left: 0.5em;
 }
 
-.navigation nav ul {
+#footer {
+  margin: 16px 0;
+  margin: 1rem 0;
+  padding-top: 16px;
+  padding-top: 1rem;
+
+  border-top: 2px solid #f2f5f7
+}
+
+#footer .upper {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+}
+
+#footer .upper > * {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -webkit-box-align: center;
+      -ms-flex-align: center;
+          align-items: center;
+}
+
+#footer .upper .navigation {
+  -webkit-box-flex: 1;
+      -ms-flex: 1 0 auto;
+          flex: 1 0 auto;
+  font-size: 0.9em;
+}
+
+#footer .upper .navigation ul {
   display: -webkit-box;
   display: -ms-flexbox;
   display: flex;
   list-style: none;
-  -ms-flex-wrap: wrap;
-      flex-wrap: wrap;
   margin: 0;
   padding: 0;
 }
 
-@media (min-width: 700px) {
+#footer .upper .navigation ul li {
-
-  .navigation nav ul {
-    -webkit-box-pack: end;
-        -ms-flex-pack: end;
-            justify-content: flex-end;
-  }
-}
-
-.navigation nav ul li {
   margin: 0;
 }
 
-.navigation nav ul li + li {
+#footer .upper .navigation ul li + li {
-  margin-left: 4px;
+  margin-left: 32px;
-  margin-left: 0.25rem;
+  margin-left: 2rem;
 }
 
-.navigation nav ul li a {
+#footer .upper .apps {
-  display: block;
+  -webkit-box-flex: 0;
-  text-transform: uppercase;
+      -ms-flex: 0 0 auto;
-  font-weight: bold;
+          flex: 0 0 auto;
-  padding: 0.7em 1em;
+}
+
+#footer .upper .apps a {
+  display: inline-block;
+  width: 150px;
+}
+
+#footer .upper .apps a + a {
+  margin-left: 16px;
+  margin-left: 1rem;
+}
+
+#footer .upper .apps a img {
+  width: 100%;
+  height: auto;
+}
+
+#footer .lower {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+}
+
+#footer .lower .disclaimer {
+  -webkit-box-flex: 1;
+      -ms-flex: 1 0 auto;
+          flex: 1 0 auto;
+  font-size: 0.7em;
   color: #8091a5;
-  border-radius: 3px;
 }
 
-.navigation nav ul li a.active,
+#footer .lower .social {
-          .navigation nav ul li a:hover {
+  -webkit-box-flex: 0;
-  background: #f7f9fa;
+      -ms-flex: 0 0 auto;
-}
+          flex: 0 0 auto;
-
-.navigation nav ul li a.active {
-  color: #2a303a;
 }
 
 .hero {

views/layout.pug

@@ -4,7 +4,10 @@ html
     title= title
     link(rel='stylesheet', href='/stylesheets/style.css')
   body
-    header.header.wrapper
+    #main
+      #main__header
+        .wrapper
+          header#header
             section.header__logo
               a.logo--link(href='#')
                 img(src='/images/logo.png' alt='Contentful University')
@@ -21,19 +24,43 @@ html
                     select(name='locale' onChange='this.form.submit()')
                       option(value='en-US') English
                       option(value='de-DE') German
-        section.navigation
+              nav.navigation
-          nav
                 ul
                   li
                     a.active(href='/') Home
                   li
                     a(href='/courses') Courses
                   li
-                a(href='/categories') Categories
+                    a(href='/about') About
+                  li
+                    a(href='/settings') Settings
+
+      #main__content
+        block content
+
+      #main__footer
+        .wrapper
+          footer#footer
+            .upper
+              nav.navigation
+                ul
+                  li
+                    a.active(href='/') Home
+                  li
+                    a(href='/courses') Courses
                   li
                     a(href='/about') About
                   li
                     a(href='/settings') Settings
-              li
+              .apps
-                a(href='/sitemap') Sitemap
+                a(href='#')
-    block content
+                  img(src='/images/app-store-badge.png')
+                a(href='#')
+                  img(src='/images/google-play-badge.png')
+            .lower
+              .disclaimer
+                p This website and the materials fond on it are for demo purposes using Contentful. You can use this to preview the content created on your Contentful account.
+              .social
+                p
+                  a(href='#') FB
+                  a(href='#') TW