How can I prevent the scrollbar on the right from covering the top navbar in Bootstrap?

Question

How can I prevent the scrollbar on the right from covering the top navbar in Bootstrap?

My website has a top fixed navbar and a left navbar. The issue arises when scrolling, as the right scrollbar overlaps with the top navbar. I want the left navbar to start below the top one.

To see a live example of the problem, check out this fiddle: https://jsfiddle.net/jsmnsLm7/. Make sure to resize your window to view all the features of my navbar setup.

Below is the code from the fiddle:

<nav class="navbar navbar-inverse navbar-fixed-top">
    <div class="container">
        (navbar code here)
    </div>
</nav>

<div class="container">
    <div class="row row-offcanvas row-offcanvas-left">
        (sidebar code here)
        <div class="col-sm-9 col-md-10 main" style="margin-left: 180px;">      
        </div>
    </div>
</div>

I've seen similar discussions on StackOverflow recommending adding position: fixed to the container's CSS. However, doing so fixes the left navbar to the very left of the page. I need it to be flexible and synchronized with the top navbar.

Any help or suggestions are greatly appreciated!

html css twitter-bootstrap

Answer 1

Answer №1

The approach by Tasos to conceal body overflow is a good starting point, but the use of javascript to define the height may not function correctly during browser resize events, particularly in Chrome 59 (and document.height is now considered deprecated).

If you opt for using position:absolute, along with top and bottom on main, you should be all set: https://jsfiddle.net/vvsp60ya/

body {
  overflow: hidden;
  margin: 0;
  padding: 0;
}

nav {
  background-color: black;
  height: 50px;
  color: white;
}

h1 {
  padding: .5em;
  margin: 0;
}

main {
  position: absolute;
  top: 50px;
  bottom: 0;
  overflow-y: scroll;
}

<nav>
  <h1>Title</h1>
</nav>
<main>
  <div>
    text text text...
  </div>
</main>

Answer 2

The approach by Tasos to conceal body overflow is a good starting point, but the use of javascript to define the height may not function correctly during browser resize events, particularly in Chrome 59 (and document.height is now considered deprecated).

If you opt for using position:absolute, along with top and bottom on main, you should be all set: https://jsfiddle.net/vvsp60ya/

body {
  overflow: hidden;
  margin: 0;
  padding: 0;
}

nav {
  background-color: black;
  height: 50px;
  color: white;
}

h1 {
  padding: .5em;
  margin: 0;
}

main {
  position: absolute;
  top: 50px;
  bottom: 0;
  overflow-y: scroll;
}

<nav>
  <h1>Title</h1>
</nav>
<main>
  <div>
    text text text...
  </div>
</main>

Answer 3

Answer №2

To begin, you must instruct the body element to hide scroll bars by applying overflow:hidden;. Next, adjust the position of the .main element downward by 50px to account for the header height and allow scrolling with overflow-y: scroll;. It is important to note that .main requires a specific height, which can be achieved using JQuery to calculate the available window height minus the 50px allocated for the headers.

See it in action:

https://jsfiddle.net/ksroccd8/

Css Styles:

body {
    overflow:hidden;
}

.main {
    margin-top: 50px;
    overflow-y: scroll;
}

Javascript Code:

//calculate main element height based on window height
var height = $(window).height() - 50;

$(".main").height(height);

It is crucial to reevaluate the height of .main when resizing the window. This can be done by implementing a window resize function as shown below:

Resize Function:

window.onresize = function(event) {
    var height = $(window).height() - 50;

    $(".main").height(height);
};

View updated demo here:

https://jsfiddle.net/a88n0aet/

Answer 4

To begin, you must instruct the body element to hide scroll bars by applying overflow:hidden;. Next, adjust the position of the .main element downward by 50px to account for the header height and allow scrolling with overflow-y: scroll;. It is important to note that .main requires a specific height, which can be achieved using JQuery to calculate the available window height minus the 50px allocated for the headers.

See it in action:

https://jsfiddle.net/ksroccd8/

Css Styles:

body {
    overflow:hidden;
}

.main {
    margin-top: 50px;
    overflow-y: scroll;
}

Javascript Code:

//calculate main element height based on window height
var height = $(window).height() - 50;

$(".main").height(height);

It is crucial to reevaluate the height of .main when resizing the window. This can be done by implementing a window resize function as shown below:

Resize Function:

window.onresize = function(event) {
    var height = $(window).height() - 50;

    $(".main").height(height);
};

View updated demo here:

https://jsfiddle.net/a88n0aet/

Answer 5

Answer №3

One potential improvement to consider for @Tasos' approach.

$(document).ready(function() {
    $(window).resize(function() {
        adjustSize();
    }); 
    function adjustSize() {
        var newHeight = $(window).outerHeight(true) - 50;
        $('.main').outerHeight(newHeight);
    }
    adjustSize();
});

Answer 6

One potential improvement to consider for @Tasos' approach.

$(document).ready(function() {
    $(window).resize(function() {
        adjustSize();
    }); 
    function adjustSize() {
        var newHeight = $(window).outerHeight(true) - 50;
        $('.main').outerHeight(newHeight);
    }
    adjustSize();
});

How can I prevent the scrollbar on the right from covering the top navbar in Bootstrap?

Answer №1

Answer №2

Answer №3

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