welcome logo class in css

src/main/webapp/style/app.css

@@ -1429,16 +1429,28 @@ span.sep {
 
 #header_logo {
     display: inline-block;
-    max-width: 240px;
-    max-height: 120px;
+    max-width: 840px;
+    max-height: 100px;
     position: relative;
 }
 
 #header_logo img {
     display: block;
     /* width: 100% ; height: 100% ; */
-    max-width: 240px;
-    max-height: 120px;
+    max-width: 840px;
+    max-height: 100px;
+}
+
+#welcome_logo {
+    display: inline-block;
+    max-width: 700px;
+    max-height: 550px;
+}
+
+#welcome_logo img {
+    display: block;
+    max-width: 700px;
+    max-height: 550px;
 }
 
 #quickSearchForm {