Dialog window with partly opaque grey background

Dialog window with partly opaque grey background

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When the user clicks a link I want to create a 'popup' dialog box centered in the browser window with a grey overly similar to this:

Note that the user can click anywhere outside the dialog box to dismiss it.

I've tried following this example, but it just creates a black stripe in a white page like this:

Here is my code:

function blah() {
  var gab = document.createElement('div');
  gab.setAttribute('id', 'OVER');
  gab.innerHTML='<div class="overlay"><h1>hello</h1></div>';
  document.body.appendChild(gab);
}
#OVER {
  width:100%;
  height:100%;
  left:0;/*IE*/
  top:0;
  text-align:center;
  z-index:5;
  position:fixed;
  background-color:#fff;
}
.overlay {
  width:100%;
  z-index:6;
  left:0;/*IE*/
  top:30%;
  font-color:#cdcdcd;
  font-size:0.8em;
  text-align:center;
  position:fixed;
  background-color:#000;
}
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
  <link rel="stylesheet" href="css/test.css">
</head>
<body>
  <h1>This is the title</h1>
  Here is some text <a href="#" onclick="blah();return false;">Click me</a>
</body>
</html>

This should work:

// JS, replace this
gab.innerHTML='<div class="overlay"><div class="dialog"><h1>hello</h1></div></div>';


// CSS
.overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.4); // 0.4 is the opacity;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.dialog {
    background-color: #fff;
}

Android Dialog Semi-Transparent, Set the background color to #AARRGGBB where AA is the alpha channel. For example you could use #00000000 for the color or the short  Click the buttons below to show a Facebox dialog. The first one has no background opacity; this is the default setting. The second and third set the opacity to 0.2 and 0.5 respectively which makes the background opaque and then darker opaque.


the code I edited from yours

function blah() {
  var gab = document.createElement('div');
  gab.setAttribute('id', 'OVER');
  gab.innerHTML = '<div class="overlay"><h1>hello</h1></div>';
  document.body.appendChild(gab);
}
#OVER {
  width: 100%;
  height: 100%;
  left: 0;
  /*IE*/
  top: 0;
  text-align: center;
  z-index: 5;
  position: fixed;
  background-color: rgba(0,0,0,0.3);
}

.overlay {
  width: 100%;
  z-index: 6;
  left: 0;
  /*IE*/
  top: 30%;
  /* font-color: #cdcdcd; */
  color: #cdcdcd;
  font-size: 0.8em;
  text-align: center;
  position: fixed;
  background-color: #fff
}
<h1>This is the title</h1>
Here is some text <a href="#" onclick="blah();return false;">Click me</a>

Using AutoCAD® 2010, Opaque Background The Opaque Background option fills the bounding box with gray (default = off). The Check Spelling Options items displays the Check Spelling Settings dialog box, while the Dictionaries option displays the Dictionaries dialog box. May not be copied, scanned, or duplicated, in whole or in part. 464. The background of the JQuery dialog is a div that has the class "ui-widget-overlay". The key styles you want to adjust is "opacity", "filter" and "background-color" ("opacity" and "filter" are two different ways of setting opacity for the different browsers.) You can either adjust the class definition or do the following in the dialog definition:


Thanks to fmontes I ended up with this code which seems to work:

// css:

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.4); // 0.4 is the opacity;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.dialog {
    background-color: #fff;
}

// html:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="css/test.css">


</head>
<body>

<h1>This is the title</h1>
Here is some text <a href="#" onclick="document.getElementById('overlay').style.visibility = 'visible';return false;">Click me</a>
<div id='overlay' class="overlay" onclick="document.getElementById('overlay').style.visibility = 'hidden';return false;" style="visibility:hidden">
    <div class="dialog"><h1>hello</h1></div></div>
</body>
</html>

The Illustrated AutoCAD X Quick Reference, 1st ed., Select a block with attributes, and the Enhanced Attribute Editor dialog box is displayed. 2012 Quick Reference Opaque Background changes the background color to gray. May not be copied, scanned, or duplicated, in whole or in part. Dialog pop up fill default black background color or theme color so you need to set TRANSPARENT background into Dialog. Try below code:- Try below code:- final Dialog dialog = new Dialog(this); dialog.requestWindowFeature(Window.FEATURE_NO_TITLE); dialog.getWindow().setBackgroundDrawable(new ColorDrawable(android.graphics.Color.TRANSPARENT)); dialog.setContentView(R.layout.splash); dialog.show();


No dialog-overlay background color showing · Issue #39 · aurelia , Dialog appears but does not overlay the view underneath. I see the overlay element in the DOM called "dialog-overlay" but appears to be missing a background-color. something like -. ai-dialog-overlay.active { background-color​: black; opacity: .5; } The background color appears for whole screen it self. well to modify the grey color . set the background to the linearLayout. or in your dialog add Android.Theme.Holo or whatever theme you like, just add it after you defined on the dialog constructor. – k0sh Feb 22 '13 at 5:09


The Illustrated AutoCAD 2009 Quick Reference, see is what you get”; new to • Opaque Background changes the background color to gray. Check Spelling Settings displays the Check Spelling Settings dialog box; see Spell May not be copied, scanned, or duplicated, in whole or in part. Beginning of dialog window. Escape will cancel and close the window. Text Color White Black Red Green Blue Yellow Magenta Cyan Transparency Opaque Semi-Transparent


Modal background - HTML & CSS, top: 0; bottom: 0; left: 0; right: 0; background-color: rgba(0, 0, 0, .5); opacity: 0; transiti… https://www.sitepoint.com/community/t/modal-background/295753/3 to have the grayed part cover the entire page rather than a partial page. As far as the “gray” portion under the content box, it goes about half  When I open a modal window on Bootstrap 3 the backdrop of the rest of the page becomes black (or very dark grey). I found that the modal-backdrop was responsible for this as it didn't have an opacity set.