Issue 3919 - Added missing flags (el, it, ja, pl, pt_PT)

static/css/main.css

 *
 {
   font-family: Arial, sans;
   font-size: 16px;
 }
 
 body
 {
   background-color: #f8f6f2;
   background-image: url(../img/background.png);
@@ skipping 156 matching lines @@
 #flag-sk
 {
   background-position: -85px 0px;
 }
 
 #flag-fr
 {
   background-position: 0px -12px;
 }
 
+#flag-el
+{
+  background-position: -85px -12px;
+}
+
 #flag-he
 {
   background-position: -17px -12px;
 }
 
+#flag-it
+{
+  background-position: -85px -24px;
+}
+
 #flag-hu
 {
   background-position: -34px -12px;
 }
 
 #flag-ko
 {
   background-position: -51px -12px;
 }
 
+#flag-ja
+{
+  background-position: -102px 0px;
+}
+
 #flag-lt
 {
   background-position: -68px -12px;
 }
 
 #flag-nl
 {
   background-position: 0px -24px;
 }
 
+#flag-pl
+{
+  background-position: -102px -12px;
+}
+
 #flag-pt_BR
 {
   background-position: -17px -24px;
 }
 
+#flag-pt_PT
+{
+  background-position: -102px -24px;
+}
+
 #flag-ru
 {
   background-position: -34px -24px;
 }
 
 #flag-zh_CN
 {
   background-position: -51px -24px;
 }
 
@@ skipping 191 matching lines @@
 
 div.animation[started="false"]
 {
   cursor: pointer;
 }
 
 div.animation[started="true"]
 {
   -moz-user-select: none;
 }