Add transparency to a component using CSS

I am currently facing an issue with a div element called signup-box. I have applied an opacity value of 0.65 to it, but unfortunately, this is affecting everything within the div as well. This means that my white text is no longer visible as white and the inputs are also affected. How can I maintain the transparent effect while preserving the design elements I want? http://jsfiddle.net/HKy3F/5/

Answer №1

The opacity property affects everything within the element. To apply transparency only to the background, you can create an image with a 65% transparent black box or use the CSS3 RGBA function to specify black at 65% opacity (not supported in IE < 9).

background: rgba(0, 0, 0, 0.6);

Here is a jsFiddle example demonstrating this. I hope this helps!

Answer №2

Take a look at this solution for your query - try using background rgba instead of opacity on your box.

http://jsfiddle.net/camus/Xy7UR/

#signup-box {
    height: 300px;
    width: 400px;
    background-color: rgba(0,0,0,0.55);

    border-radius; 10px;
}

Answer №3

To achieve the desired transparency effect, consider creating a compact PNG image and applying it as the background of the main element. This method ensures compatibility across all web browsers.

Answer №4

Have you experimented with using two separate div elements - one for the background and another for the content?

In my scenario, I utilized a background color of #ffffff with 65% transparency.

Below is the CSS code:


    body { background:#000000 ;
    margin:auto ;
    padding:15px ;
    }

    #divA { background:#ffffff ; /* defining background */
    /* For IE 8 */
    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=65)";

    /* For IE 5-7 */
    filter: alpha(opacity=65);

    /* For Netscape */
    -moz-opacity: 0.65;

    /* For Safari 1.x */
    -khtml-opacity: 0.65;

    /* All modern browsers */
    opacity: 0.65; 

    display:block ;
    width:300px ;
    height:300px ;
    margin:auto ;
    z-index:1 ;
    }

    #divB { display:block ; /* content section */
    padding:20px ;
    width:250px ;
    height:260px ;
    text-align:center ;
    color:#C00 ;
    font-family:Arial, Helvetica, sans-serif ;
    font-size:24px ;
    text-align:center ;
    margin:auto ;
    z-index:5000 ;
    }

Additionally, here is the HTML code to implement this layout:


    ‹div id="divA"›
    ‹div id="divB"›text goes here‹/div›
    ‹/div›

This setup functions correctly in various popular browsers like IE7, IE8, IE9, FF, Opera, Safari, and Chrome

Best wishes!

Cynthia

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