changed footer style

src/frontend.template.php

@@ -258,8 +258,7 @@ $purifier = new HTMLPurifier($purifier_config);
 </main>
 <footer>
     <p>Powered by <a href="https://github.com/synox/disposable-mailbox"><strong>synox/disposable-mailbox</strong></a>
-        | <a href="https://github.com/synox/disposable-mailbox"><span class="octicon octicon-mark-github"></span>
-            Fork me on github</a></p>
+        | <a href="https://github.com/synox/disposable-mailbox">Contribute to the development on Github.</a></p>
 </footer>
 </body>
 </html>

src/style.css

@@ -1,12 +1,21 @@
-
 html > body {
     /* override bootstrap background */
     background: #f9f9f9;
+
+    display: flex;
+    min-height: 100vh;
+    flex-direction: column;
 }
 
-footer p {
-    margin-top: 50px;
+main {
+    flex: 1;
+    padding-bottom: 30px;
+}
+
+footer {
+    font-size: 12px;
     text-align: center;
+    padding-top: 1em;
 }
 
 .card-block {
@@ -28,11 +37,6 @@ header {
     margin-bottom: 15px;
 }
 
-#openRandomButton {
-
-    margin-top: 6px;
-}
-
 .email-table > .email {
     border-top: 5px solid #7C96AB;