Update syslinux boot theme

kali-config/common/includes.binary/isolinux/stdmenu.cfg

@@ -1,10 +1,10 @@
 menu background 	splash.png
 menu color title        * #FFFFFFFF *
 menu color border       * #00000000 #00000000 none
-menu color sel          * #ffffffff #76a1d0ff *
+menu color sel          * #ffffffff #762777ff none
-menu color hotsel       1;7;37;40 #ffffffff #76a1d0ff *
+menu color hotsel       1;7;37;40 #ffffffff #762777ff none
 menu color tabmsg       * #ffffffff #00000000 *
-menu color help         37;40 #ffdddd00 #00000000 none
+menu color help         37;40 #ffffffff #00000000 none
 menu vshift 10
 menu hshift 4
 menu width 70
@@ -16,3 +16,4 @@ menu cmdlinerow 16
 menu timeoutrow 16
 menu tabmsgrow 18
 menu tabmsg Press ENTER to boot or TAB to edit a menu entry
+