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Sticky Position: Header scrolled away after a while

Tags:

html

css

scroll

position

sticky

On my website I have made the <nav> stick to the top, but it only sticks a few seconds / pixels when I scroll down, then it gets scrolled away, please see the code snippet below and scroll down. I want the nav to stick to the top any time when scroll down, except when the <header> is visible.

HTML

<!DOCTYPE html>
<html>
    <head>
        <title>Danis Website</title>
        <link href="reset.css" type="text/css" rel="stylesheet">
        <link href="style.css" type="text/css" rel="stylesheet">
    </head>
    <body>
        <div id="wrapper">
            <header>
                <h1>Danis Website</h1>
            </header>
            <nav>
                <ul>
                    <li><a href="index.html">Home</a></li>
                    <li><a href="rezepte.html">Rezepte</a></li>
                    <li><a href="zutaten.html">Zutaten</a></li>   
                </ul>
            </nav>
            <main>
                Main Main Main<!-- In the code snippet below here are more lines of Text, here if have omitted the lines for better readability.

            </main>
            <footer>
                Footer
            </footer>
            </div>
    </body>
</html>

CSS 

*{
    margin: 0;
    padding: 0;
}
body, html{
    height: 100%;
    width: 90%;
    margin: 0 auto;
    background-color: #aaa;
}


#wrapper{
    display: flex;
    flex-direction: column;
    height: 100%;
    background-color: fuchsia;
}

header{
    flex: 0 0 50px;
    background-color: #888;
    text-align: center;
    position: sticky;
    top: 100px;
}

nav{
    flex: 0 0 50px;
    background-color: dodgerblue;
}

nav ul {
    display: flex;
    list-style-type: none;
    background-color: dodgerblue;
    height: 100%;
}

nav ul li {
    flex: 1;
    text-align: center;
    padding: 10px;
    border-left: 2px solid #aaa;
}

nav ul li:first-child {
    border-left: 0;
}

nav ul li a{
    color: white;   
    text-decoration: none;
}

nav ul li:hover {
    background-color: #888;
}

main{
    flex: 1;
    background-color: #ddd;
}

footer{
    flex: 0 0 50px;
    background-color: #888;
}

#list{
    display: flex;
    flex-wrap: wrap;
}

#list-item{
    flex: 0 1 300px;
    display: flex;
    border: 1px solid dodgerblue;
    margin: 10px;
    padding: 10px;
}

#list-item-img{
    flex: 0 0 auto;
    margin-right: 5px;
}

#list-item-text{
    flex: 1;
    margin-left: 5px;
}

#list-item-text p {
    margin: 5px;
}


*{
    margin: 0;
    padding: 0;
}
body, html{
    height: 100%;
    width: 90%;
    margin: 0 auto;
    background-color: #aaa;
}


#wrapper{
    display: flex;
    flex-direction: column;
    height: 100%;
    background-color: fuchsia;
}

header{
    flex: 0 0 50px;
    background-color: #888;
    text-align: center;
}

nav{
    flex: 0 0 50px;
    background-color: dodgerblue;
    position: sticky;
    top: 0px;
}

nav ul {
    display: flex;
    list-style-type: none;
    background-color: dodgerblue;
    height: 100%;
}

nav ul li {
    flex: 1;
    text-align: center;
    padding: 10px;
    border-left: 2px solid #aaa;
}

nav ul li:first-child {
    border-left: 0;
}

nav ul li a{
    color: white;   
    text-decoration: none;
}

nav ul li:hover {
    background-color: #888;
}

main{
    flex: 1;
    background-color: #ddd;
}

footer{
    flex: 0 0 50px;
    background-color: #888;
}

#list{
    display: flex;
    flex-wrap: wrap;
}

#list-item{
    flex: 0 1 300px;
    display: flex;
    border: 1px solid dodgerblue;
    margin: 10px;
    padding: 10px;
}

#list-item-img{
    flex: 0 0 auto;
    margin-right: 5px;
}

#list-item-text{
    flex: 1;
    margin-left: 5px;
}

#list-item-text p {
    margin: 5px;
}  
 
        <div id="wrapper">
            <header>
                <h1>Danis Website</h1>
            </header>
            <nav>
                <ul>
                    <li><a href="index.html">Home</a></li>
                    <li><a href="rezepte.html">Rezepte</a></li>
                    <li><a href="zutaten.html">Zutaten</a></li>   
                </ul>
            </nav>
            <main>
                Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main Main 
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            </main>
            <footer>
                Footer
            </footer>
            </div>
Edit: I'm using Firefx 37.0.2 on Arch Linux
like image 406
danielr1996 Avatar asked Dec 24 '22 19:12

danielr1996

1 Answers

I believe it might be because of height: 100% on your body. When your content is too long, the body doesn't wrap around the entire content instead it just inherits the browser viewport height. Hence when you scroll past the bottom of the body, the nav stops sticking.

On a side note though I don't think you should be using position: sticky just yet. It has less than browser 20% support. http://caniuse.com/#feat=css-sticky

Solution: substitute height: 100%; to min-height: 100%; in #wrapper. When just removing height: 100%; the page is smaller than the viewport on pages where the content doesn't fill the viewport

like image 136
DigitalDouble Avatar answered Jan 08 '23 09:01

DigitalDouble
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