Challenges with Adjusting Background Opacity in CSS

My text has a white background with an opacity of .3, but it's affecting the foreground due to CSS repositioning. Even though the HTML is in a different division, I struggle with certain aspects of CSS and would appreciate guidance from those more experienced.

The relevant part of the HTML is:

...
<p><span>Fri</span><span>When Announced</span></p>
<p><span>Sat</span><span>Open</span></p>

</div>

<div class=...
<img src="img/cross.png" alt="Cross" width="340" height="465"/>
</div>

<div id="bkgrnd"></div>

<div id="clear"></div>

</section>

...

The CSS code is as follows:

#bkgrnd{
    background-color:#fff;
    border:1px solid #000;
    box-shadow:#332315 .3em .4em .2em;
    opacity: 0.3;
    width:750px;
    height:526px;
    margin-left:89px;
    margin-top:-55px;
    z-index:-2;
}

Answer №1

To ensure that child elements are not affected, it is recommended to utilize rgba for the background property instead of using opacity. Here is an example:

background-color: rgba(255, 255, 255, 0.3);

By implementing this code snippet, a semi-transparent white background with 30% opacity will be applied.

Answer №2

To prevent inheritance of opacity, it is recommended to utilize RGBa (alpha channel) rather than the opacity property.

For more information, visit:

Keep in mind that older browsers do not support the alpha channel feature, so it may be necessary to implement a CSS fallback solution.

Answer №3

Check out this informative read on the benefits of using RGBa over opacity to prevent inheritance:

This article provides insights on handling RGBa workarounds specifically for IE versions 5 to 8

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