When scrolling, all sections display above the stationary header

On my home page, I have a header that remains fixed at the top of all sections. However, when I scroll down, the contents and sections appear above the fixed header, making it look like a background.

Is there a way to ensure that all images and content go under the fixed header?

CSS

#header-wrapper { 
   width:100%; 
   float:none;
   background:#09f;
   z-index:999px;
   position:fixed;
   top:100;
}

Answer №1

Consider implementing the following:

position: absolute;
top: 150px;
left: 10px;
z-index: 10000;

Answer №2

Upon reviewing the information provided, it appears that the issue may be related to the z-index property.

One potential solution could be:

In Mobile WebKit and Chrome versions 22 and above, there is a new stacking context created by using position: fixed, even if the z-index is set to auto.

This results in a stacking context hierarchy as follows:

  • document root (z-index 0)
    • #element (z-index 9998)
    • #element2 (z-index 0)
      • .aboveElement (z-index 9999)
      • .belowElement (z-index 9997)

It is important to note that direct comparison between z-index values such as 9998 and 9999 may not accurately determine the stacking order. Instead, compare 9999 with 9997 to establish the front-to-back arrangement of elements within #element2. Once all elements within #element2 are stacked relative to each other, they collectively appear at z-index 0, positioned behind #element at z-index 9998.

To further understand stacking contexts, please refer to Mozilla's documentation on stacking contexts.

Additionally, for changes affecting fixed position elements in Chrome, read about the updated stacking behaviors in Chrome.

Answer №3

Apply

   position: fixed;

to the container element of the sticky header and that should do the trick

Answer №4

The z-index attribute must be an integer value without the use of any units such as px. This property is solely used to determine the stacking order of elements on a webpage.

For more information, check out this resource

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