Designing a login window that appears as a popup and blurs out the background page for enhanced security

Question

Designing a login window that appears as a popup and blurs out the background page for enhanced security

I am in the process of developing a login/register page and I would like to implement a feature where, upon clicking the 'register now' button on the home page, a popup appears within the same website with a transparent and dull background. An example of what I have in mind can be seen here:

I also came across this reference that demonstrates a similar concept:

Essentially, I am seeking guidance on how to achieve this effect without relying too heavily on JavaScript or jQuery. Your assistance is greatly appreciated. Thank you.

html css

Answer 1

Answer №1

To achieve a true blur effect, consider experimenting with CSS filter effects. Keep in mind that these effects are only compatible with Webkit browsers and may impact performance due to their resource-intensive nature.

Alternatively, a simpler approach involves overlaying a semi-transparent black background onto your page. Obtain a transparent PNG image (such as one from this site) and use it as a background for a large element covering the entire page. Place your form on top of this element for a straightforward solution.

Both the CSS blur technique and the semi-transparent background can be achieved using CSS alone, eliminating the need for Javascript or jQuery. However, if you plan to create a popup feature, some basic scripting may be necessary.

Answer 2

To achieve a true blur effect, consider experimenting with CSS filter effects. Keep in mind that these effects are only compatible with Webkit browsers and may impact performance due to their resource-intensive nature.

Alternatively, a simpler approach involves overlaying a semi-transparent black background onto your page. Obtain a transparent PNG image (such as one from this site) and use it as a background for a large element covering the entire page. Place your form on top of this element for a straightforward solution.

Both the CSS blur technique and the semi-transparent background can be achieved using CSS alone, eliminating the need for Javascript or jQuery. However, if you plan to create a popup feature, some basic scripting may be necessary.

Answer 3

Answer №2

Hey, check this out - I created this cool JavaScript script:- Just copy the code and paste it in your browser:-

<head>
<title>My Awesome Page</title>

<script language="javascript" type="text/javascript">


 function SubscribeToUpdates()
{
DarkenPage();
ShowUpdatePanel();
}

function ShowUpdatePanel()
{
var update_panel = document.getElementById('update_panel');

// w is a width of the update panel
w = 300;
// h is a height of the update panel
h = 300;

// get the x and y coordinates to center the update panel
xc = Math.round((document.body.clientWidth/2)-(w/2))
yc = Math.round((document.body.clientHeight/2)-(h/2))

// show the update panel
update_panel.style.left = xc + "px";
update_panel.style.top  = yc + "px";
update_panel.style.display = 'block';
}



 // this function puts the dark screen over the entire page
function DarkenPage()
{
var page_screen = document.getElementById('page_screen');
page_screen.style.height = document.body.parentNode.scrollHeight + 'px';
page_screen.style.display = 'block';
}


</script>

<style type="text/css">

body
{
 padding:0px;
 margin:0px;
 }

 #page_screen
 {
 background-color:#000000;
 filter:alpha(opacity=80);
 opacity: 0.8;
 position:absolute;
 top:0px;
 left:0px;
 width:100%;
 display:none;
 }

 #update_panel
 {
 width:300px;
 height:300px;
 background-color:#FFFFFF;
 border:1px solid #000000;
 position:absolute;
 top:0px;
 left:0px;
 }
</style>

</head>
<body>
<h2>
    <span style="font-family: Trebuchet MS">Check this out&nbsp;
    <input id="Button1" type="button" value="Subscribe for updates!"        
    onclick="SubscribeToUpdates();"
     /></span></h2>
<div id="sampletext">

 </div>

<div id="page_screen">
    &nbsp;
</div>
<div id="update_panel" style="display:none;">
    Subscribe for our
    <h3 style="color:#FF6600;">UPDATES</h3>

    your email address :
    <input type="text" />
    <br />

    <input type="button" value="Sign up!" onclick="Subscribe();" />
</div>

Answer 4

Hey, check this out - I created this cool JavaScript script:- Just copy the code and paste it in your browser:-

<head>
<title>My Awesome Page</title>

<script language="javascript" type="text/javascript">


 function SubscribeToUpdates()
{
DarkenPage();
ShowUpdatePanel();
}

function ShowUpdatePanel()
{
var update_panel = document.getElementById('update_panel');

// w is a width of the update panel
w = 300;
// h is a height of the update panel
h = 300;

// get the x and y coordinates to center the update panel
xc = Math.round((document.body.clientWidth/2)-(w/2))
yc = Math.round((document.body.clientHeight/2)-(h/2))

// show the update panel
update_panel.style.left = xc + "px";
update_panel.style.top  = yc + "px";
update_panel.style.display = 'block';
}



 // this function puts the dark screen over the entire page
function DarkenPage()
{
var page_screen = document.getElementById('page_screen');
page_screen.style.height = document.body.parentNode.scrollHeight + 'px';
page_screen.style.display = 'block';
}


</script>

<style type="text/css">

body
{
 padding:0px;
 margin:0px;
 }

 #page_screen
 {
 background-color:#000000;
 filter:alpha(opacity=80);
 opacity: 0.8;
 position:absolute;
 top:0px;
 left:0px;
 width:100%;
 display:none;
 }

 #update_panel
 {
 width:300px;
 height:300px;
 background-color:#FFFFFF;
 border:1px solid #000000;
 position:absolute;
 top:0px;
 left:0px;
 }
</style>

</head>
<body>
<h2>
    <span style="font-family: Trebuchet MS">Check this out&nbsp;
    <input id="Button1" type="button" value="Subscribe for updates!"        
    onclick="SubscribeToUpdates();"
     /></span></h2>
<div id="sampletext">

 </div>

<div id="page_screen">
    &nbsp;
</div>
<div id="update_panel" style="display:none;">
    Subscribe for our
    <h3 style="color:#FF6600;">UPDATES</h3>

    your email address :
    <input type="text" />
    <br />

    <input type="button" value="Sign up!" onclick="Subscribe();" />
</div>

Designing a login window that appears as a popup and blurs out the background page for enhanced security

Answer №1

Answer №2

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