jQuery Smooth Scrool

smooth.js

var smoothScroll = function(id) {
    var target = $(id).offset().top - 60;
    $('html, body').animate({scrollTop:target}, 500);
};

/*
 * Use
 */
 
 $('a#link').on('click', function(e) {
    e.preventDefault();
    
    smoothScroll('#target');
 });