add responsive h1 (main page)

Author: Arhell

public/css/phalcon.css

@@ -599,11 +599,16 @@ section p {
 
 .jumbotron h1 {
     font-size: 48px;
-    font-size: 4.8rem;
     color: #fff;
     margin-top: 120px
 }
 
+@media (max-width: 767px) {
+    .jumbotron h1 {
+        font-size: 28px;
+    }
+}
+
 .jumbotron h1 span {
     width: 380px;
     text-align: right