Apply some of Aufinal's design remarks

authens/static/authens/css/authens.css

@@ -1,7 +1,7 @@
 html, body {
   width: 100%;
-  background: #ccc;
-  font-family: monospace;
+  background: #eee;
+  font-family: sans-serif;
   margin: 0;
   padding: 0;
 }
@@ -35,29 +35,29 @@ h2 {
   color: white;
 }
 
-form {
-  padding: 0.5em;
-  text-align: center;
-  width: 100%;
-  font-size: 2em;
-}
-
-form table {
-  margin: auto;
-}
-
 /* TODO: https://git.eleves.ens.fr/klub-dev-ens/authens/issues/9 */
 .oldcas {
   background: #CB6318;
   color: white;
 }
 
+form {
+  padding: 0.5em;
+  text-align: center;
+  width: 100%;
+  font-size: 1.5em;
+}
+
+form table {
+  margin: auto;
+}
+
 a {
   flex: 1;
   height: 200px;
   min-width: 300px;
   text-align: center;
-  font-size: 3em;
+  font-size: 2.5em;
   color: white;
   line-height: 200px;
   text-decoration: none;
@@ -65,5 +65,4 @@ a {
 
 a:hover {
   text-decoration: underline;
-  font-weight: bold;
 }