create template with dropdown menues

[phpman]

Dear all,

i have question i like to adapte and existing (free css or joomla templte) to get simple.
Is the are howto exist if i like to use an "dropdown menue" with there?

I do not found any solution to do that. (I18N support too)

for examplet template like this: http://joomlathemes.co/demo3x/blue-lotus


Hope anyone can help me.

best regards,

Harald