How can I create a div with a transparent background? I attempted to use background-color and opacity, but unfortunately, the border and text inside also became transparent. Check out an example here.
Is there a way to achieve this without relying on a transparent PNG background image?
If you are looking to make the background color transparent without affecting the child content, you can utilize
background-color: rgba(0,0,0,.5); // Sets transparency to 50%To find out more about this feature, refer to the following page - keep in mind that it may not be supported by all browsers:
Affirmative.
Adjust the
background-color: transparent;
and refrain from utilizing opacity, as it causes the entire div to become semi-transparent.
Check out the revised version here: http://jsfiddle.net/eU7By/1/
UPDATE following feedback
You can opt for rgba for the background-color like @DHuntrods suggested. Some adjustments may be needed for IE compatibility. See more details at
To create a cross-browser solution, you can use the opacity property on an additional child element that is "absolutely positioned" within a relatively or absolutely positioned parent. This child element is simply there to contain the colored transparent background.
By utilizing the opacity property, you can make this element transparent without affecting any other elements since it has no children.
Opacity is supported in IE5 and above, and you can implement it using the following methods (refer to http://css-tricks.com/snippets/css/cross-browser-opacity/):
-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=50)"; /* IE 8 */
filter: alpha(opacity=50); /* IE 5-7 */
-moz-opacity: 0.5; /* Netscape */
-khtml-opacity: 0.5; /* Safari 1.x */
opacity: 0.5; /* Good browsers */
For a demonstration, refer to the jsFiddle example at http://jsfiddle.net/DUjzX/1/.
HTML structure:
<div class="my-cool-wrapper">
<div class="text-and-images-on-top">
<p>Here's some content (text and images) displayed on top of the transparent background.</p>
<img src="http://i.imgur.com/LnnghmF.gif">
</div>
<div class="transparent-background">
</div>
</div>
CSS styles:
.my-cool-wrapper {
position: relative;
}
.my-cool-wrapper .text-and-images-on-top {
padding: 10px 15px 19px 15px;
z-index: 1;
position: relative; /* needed for z-index */
}
.my-cool-wrapper .transparent-background {
position: absolute;
top: 0;
width: 100%;
height: 100%;
-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=10)"; /* IE 8 */
filter: alpha(opacity=10); /* IE 5-7 */
-moz-opacity: 0.1; /* Netscape */
-khtml-opacity: 0.1; /* Safari 1.x */
opacity: 0.1; /* Good browsers */
background-color: blue;
}
For more information, visit: Set opacity of background image without affecting child elements
Proofs through screenshots
PS: Screenshots for Chrome, Firefox, and Safari are omitted as they are considered "better" browsers—rest assured, the solution works for them as well.
For the background, I decided to incorporate a 30x30 transparent gif.
background:url('insert absolute path here');
If you're looking for an easy way to achieve a transparent background in HTML using CSS, this code will do the trick.
background: rgba(0, 0, 0, 0.6)!important;
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