Issues with IE8 compatibility on the website

I'm in the process of developing a website and I'm facing some issues specifically with IE8 or later versions.

For reference, here is a temporary link to the site: .

1


The problems I am encountering are as follows: The login/register form displays a black rectangle instead of transparency.

Here is the CSS style causing the issue:

#LoginPart
{
    background-image: url('../images/login_bg.png');
    float: right;
    width: 184px;
    height: 25px;
    margin-top: 10px;
    margin-right: 100px;

    text-align: center;
}

Aesthetically, the background looks somewhat unattractive.

2


The menu highlights don't appear as intended on IE8, even though they work fine on other browsers.

Below is the CSS code snippet:

        <div id="Menu">
            <ul id="Navigation">
              <li><a href="#home"><div class="HighlightItem"></div><span>Home</span></a></li>
              <li><a href="#vending"><div class="HighlightItem"></div><span>Vending machine</span></a></li>
              <li><a href="#videos"><div class="HighlightItem"></div><span>Videos</span></a></li>
              <li><a href="#about"><div class="HighlightItem"></div><span>About</span></a></li>
              <li><a href="#contact"><div class="HighlightItem"></div><span>Contact</span></a></li>
            </ul>
        </div>

Navigation:

#Navigation
{
  margin:0;
  padding:0;

  text-align:center;
  list-style:none;
  height: 50px;
}

.HighlightItem
{
    width: 142px;
    height: 50px;
    position: absolute;
    display: none;
    background:none;
}

#Navigation span
{
    position: relative;
    text-align: center;
    top: 40%;
    font-size: small;
    z-index: 5000;
    font-weight: bold;
    text-shadow: 1px 0px 0px #000;
}

The text inside the span element serves as the menu content. I set z-index: 5000 to ensure it hovers above the transparent div.

Additionally, here's the JQuery code used for animating the menu:

     $('li>a').hover(function(){
        $(this).children('div').stop();
        $(this).children('div').css({opacity: 0});
        $(this).children('div').css('background-image', 'url("../images/but_hov.png")');
        $(this).children('div').css('background-repeat', 'no-repeat');
        $(this).children('div').css('background-position', 'center center');
        $(this).children('div').fadeTo(400, 1.0);
    }, function(){
            $(this).children('div').stop();
            $(this).children('div').fadeTo(400, 0, function() {
            $(this).children('div').css('background-image', 'none');
            $(this).children('div').hide();
        });
    });

I would greatly appreciate any assistance in resolving these issues!

Answer №1

It seems that IE8 still struggles with properly displaying PNG transparency, which is causing the black borders you see on menu highlights. A helpful blog post explains this issue in detail. This could be the reason behind the login problems and black border surrounding menu highlights. I am currently investigating this problem and will update this answer once I find an effective solution.

Update: I have created a demonstration here that somewhat resolves the issue in IE8 and works smoothly in Chrome 11. While there is still a minimal border in IE8, I hope it meets your needs. Achieving pixel-perfect cross-browser design with complex effects like these may prove challenging without additional JavaScript or even Flash. In the past, I managed to create a hover highlight effect for a PNG image in IE6 using custom JavaScript, a clear.gif, and specific CSS classes. While there might be better approaches, this current solution remains lightweight, relying mainly on jQuery for animation and some IE-specific CSS. Consider placing the IE styles in a separate file if maintaining a valid "main" CSS is important to you.

If your background were opaque, implementing transparency would be much simpler - just set the background-color property of the <li> element to match your background color. For more insights on dealing with transparent PNGs in IE, check out this question and a detailed explanation provided here. I have incorporated some of the recommendations from those sources into my solution here.

I trust this information proves beneficial to you!

Answer №2

To address the transparency issue with your 'Login/register' feature, consider removing the following line from the header script:

$('#LoginPart').corner('15px');

It appears that Internet Explorer is having trouble with this particular code snippet.

Answer №3

It appears that the problem with the first issue is related to the jquery corner plugin. When I execute the following code:

$(".jquery-corner").css("display", "none");

the background issue is resolved. I'm not certain if this also affects the button hover interactions, but my recommendation would be to remove the jquery corner plugin as a first step.

Answer №4

Although I haven't had the best experience with htc files in the past, I wanted to share this potential solution:

I believe using CSS border-radius would be a more practical option for all non-IE browsers, so give it a try and see if it works out.

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