How to build floating menu bar when scroll down

Question

When I scrolled down site display black menu bar at the top look like float bar. but I think there\'s jquery involved with this. I have tried CSS but seems not working for m

Answer 1

Try this

CSS

* {margin: 0; padding: 0; outline: 0;}


body {
    font-family: Helvetica, Arial, Verdana, sans-serif;
    color: #999;
    font-size: 12px;
    background:#bfbfbf;


}


h1, h2 {
    font-family: 'Open Sans', sans-serif;
    font-weight: 300;
    margin:0 0 15px 0;
}


h1 {
    font-size: 36px;
    letter-spacing: -2px;
    line-height: 100%;
}

h1.title {
    font-size: 46px;
    font-weight: 700;
    color: #6a6a6a;


}


h2 {
    font-size: 24px;
}

p {
    margin: 0 0 15px 0;
}

.menuBtn {

    background: center center no-repeat transparent;
    background: #000;
    display: block;
    width: 40px;
    height: 40px;
    position: absolute;
    top: 0;
    left: 10px;

}

.clear {
    clear: both;
}
.wrap {
        /*background:url(../images/bg.png) top left repeat-x;*/
        width: 100%;
        max-width: 1140px;
        min-width: 960px;
        z-index: 10;
        position: relative;
        margin: 0 auto;
        padding: 0;

}



.section {
    width: 100%;
    max-width: 1140px;
    min-width: 960px;
    z-index: 10;
    position: relative;
    margin: 0 auto;
    padding: 0 0 20px 0;
}


.inner {
    width: 960px;
    margin: 0 auto;
    position: relative;
    min-height: 50px;
    padding:30px 0;
    font-size: 18px;
    font-family: 'Open Sans', sans-serif;
    font-weight: 300;
    padding:30px 0;
}


/* This is the selector i used for my menu, it needs to be set as position:absolute; */
.subMenu {
    position: absolute;
    top: 462px;
    height: 50px;
    z-index: 1000;
    width: 100%;
    max-width: 1140px;
    min-width: 960px;
    background: #aabd46;

}

.subMenu .inner {
    padding:0;
    font-weight: 400;
}





.subNavBtn {
    display: block;
    height: 35px;
    width: 12%;
    float: left;
    margin: 0px 0px 0 0;
    text-decoration: none;
    font-size: 14px;
    padding: 15px 2% 0 2%;
    text-align: center;
    color: #fff;
}

.end {
    margin: 0;
}


/* SECTIONS */
.sTop {
    min-height: 630px;
    background:#e5e5e5;
    color:#3d3d3d;

}



.s1 {
    min-height: 500px;
    background: #2e2e2e;
}


.s2 {
    min-height: 500px;
    background: #3f3f3f;
}


.s3 {
    min-height: 500px;
    background: #504f4f;
}


.s4 {
    min-height: 500px;
    background: #6e87a1;
    color: white;
}

.s5 {
    min-height: 500px;
    background: #293b4d;
    color: white;
}

---

JavaScript

:

  (function(){


        $.fn.smint = function( options ) {

            // adding a class to users div
            $(this).addClass('smint')

            var settings = $.extend({
                'scrollSpeed '  : 500
                }, options);


            return $('.smint a').each( function() {


                if ( settings.scrollSpeed ) {

                    var scrollSpeed = settings.scrollSpeed

                }


                ///////////////////////////////////

                // get initial top offset for the menu 
                var stickyTop = $('.smint').offset().top;   

                // check position and make sticky if needed
                var stickyMenu = function(){

                    // current distance top
                    var scrollTop = $(window).scrollTop(); 

                    // if we scroll more than the navigation, change its position to fixed and add class 'fxd', otherwise change it back to absolute and remove the class
                    if (scrollTop > stickyTop) { 
                        $('.smint').css({ 'position': 'fixed', 'top':0 }).addClass('fxd');

                        } else {
                            $('.smint').css({ 'position': 'absolute', 'top':stickyTop }).removeClass('fxd'); 
                        }   
                };

                // run function
                stickyMenu();

                // run function every time you scroll
                $(window).scroll(function() {
                     stickyMenu();
                });

                ///////////////////////////////////////


                $(this).on('click', function(e){


                    // gets the height of the users div. This is used for off-setting the scroll so th emenu doesnt overlap any content in the div they jst scrolled to
                    var selectorHeight = $('.smint').height();   

                    // stops empty hrefs making the page jump when clicked
                    e.preventDefault();

                    // get id pf the button you just clicked
                    var id = $(this).attr('id');

                    // gets the distance from top of the div class that matches your button id minus the height of the nav menu. This means the nav wont initially overlap the content.
                    var goTo =  $('div.'+ id).offset().top -selectorHeight;

                    // Scroll the page to the desired position!
                    $("html, body").animate({ scrollTop: goTo }, scrollSpeed);

                }); 



            });

        }

    })();

---

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