In county boards of elections, further providing for powers and duties of county boards; in datesof elections and primaries and special elections, providing for authorization of ranked choice voting in municipal elections; in nomination of candidates, further providing for which candidates nominated; in ballots, further providing for form of official primary ballot; in electronic voting systems, further providing for election day procedures and the process of voting; in preparation for and conduct of primaries and elections, further providing for method of marking ballots and depositing same in districts in which ballots are used and for count and return of votes in districts in which ballots are used; and, in returns of primaries and elections, further providing for persons receiving highest number of votes to be declared elected.