Customize index.php for Física UB

Change-Id: I801707d63e8969b24b7f569c9a9793ea48bc9a1f
diff --git a/css/login.css b/css/login.css
index 743db2f..a7c49b0 100644
--- a/css/login.css
+++ b/css/login.css
@@ -1,3 +1,16 @@
+.header-container {
+	display: flex;
+	flex-direction: row;
+	align-items: center;
+	margin-bottom: 20px;
+}
+
+@media (max-width: 470px) {
+	.header-container {
+		flex-direction: column;
+	}
+}
+
 header h2 {
 	line-height: 50%;
 }
@@ -8,7 +21,12 @@
 }
 
 header {
-	margin-bottom: 20px;
+	flex-grow: 1;
+}
+
+.logo {
+	max-width: 82px;
+	border-radius: 10%;
 }
 
 #password {