Position fixed property

While experimenting with the fixed position property to maintain a constantly positioned nav bar on mobile, I encountered some challenges during the trial and error process. However, by utilizing margin top and translation functions, I was able to successfully fix the issue and achieve a clean appearance.

Are there alternative methods to accomplish this?

In my understanding, this implies that a page (where the CSS is applied) follows a certain rule-set making it always appear as the first box. Is this interpretation accurate, or am I overlooking something about this property and its functionality?

Edit: As requested, I have included my updated codes below.


.leftNav{
    top: 0%;
    transform: translateX(0%);
    position: fixed;
    left: 0;
    width: 50%;
    height: 80px;
    background: linear-gradient(
        to left,
        rgba(2, 2, 2, 0.95),
        rgba(21, 22, 22, 0.95)
      );
    margin-bottom: 50px;
}

This snippet of code represents my CSS adjustments. I incorporated TranslateX to track where I made positional changes.

<div class="leftNav">
        <div class="logo">

            <a href="#"> <img src="./facebook.png" alt="just-a-logo"></a>
</div>
        </div>

In these HTML lines, I divided the navigation into two sections – one for the logo and potential additional inputs in the future, and the other for the Hamburger menu.

.introPage{
    margin-top: 80px;
    height: 91.7vh;
    background: rgb(233, 227, 224);
} 

To ensure the nav-bar remains anchored at the top, this final snippet adjusts the positioning for the fixed element.

Answer №1

If you want to keep an element fixed at the top, you can utilize the sticky property. However, it's important to note:

.nav-bar
{
  border: 2px solid black;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-around;
  /*
  The sticky position is a position between fixed and static.
  It remains in its original place until scrolled past.
  However, the sticky property will not work in this case because its parent element,
  which is the div, does not have the sticky property applied to it.
  */
  position: sticky;
  position: -webkit-sticky;
  top: 0 !important;
}
section
{
  height: 400vh;
}
<body>
  <div>
    <nav class="nav-bar">
      <a href="#">Home</a>
      <a href="#">Contact</a>
      <a href="#">About</a>
      <a href="#">Mail</a>
    </nav>
  </div>
  <section>
    Scroll.........................................................
    Scroll.........................................................
    Scroll.........................................................
  </section>
</body>
Therefore, the sticky property should be applied to the parent element, rather than the body tag. Take a look at this example:

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-around;
  /*
  This approach works effectively. The sticky property ensures the navigation bar stays at the top.
  */
  position: sticky;
  position: -webkit-sticky;
  top: 0;
  border: 2px solid black;
  /*
  Increase the z-index value to keep the nav bar above other contents.
  */
  z-index: 7;
}


/*
Increase the heigth of the section to enable scrolling down.
*/

section {
  height: 400vh;
}
<body>
  <div style="font-size: 7em;">
    The Heading!
  </div>
  <div class="nav-bar">
    <nav>
      <a href="#">Home</a>
      <a href="#">Contact</a>
      <a href="#">About</a>
      <a href="#">Mail</a>
    </nav>
  </div>
  <section>
  </section>
</body>

Hence, using the sticky positioning may be more beneficial than opting for fixed positioning.

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