Align the logo at the center of the webpage both vertically and horizontally

Seeking help in centering my logo (775 X 225) both vertically and horizontally on a webpage, with a link "Enter" positioned underneath it.

<html>
<head>
 <Title> My Website </Title>
 <style type="text/css">
   //centerlogo CSS class here ?
 </style>
</head>
<body lang=EN-US>
<div class'centerlogo"> <span></span>
<img src="images/logo.jpg">
</div>
</body>
</html>

Looking for the best method to ensure that the logo is centered perfectly on all browsers. Any suggestions for a CSS class or javascript code?

I have tried some examples without success. Can someone assist me with this issue?

Thank you.

javascripthtmlcss

Answer №1

If you know the dimensions of the logo, you can use absolute positioning with negative margins set to half the width and height.

.centerlogo {
    position: absolute;
    width: 775px;
    height: 225px;
    top: 50%;
    left: 50%;
    margin-left: -387px; //Half of the width
    margin-top: -112px; //Half of the height
}

By doing this, the logo will be centered on the screen no matter the window size.

Answer №2

To achieve perfect center alignment on a specific item, consider implementing the following code snippet:
For reference, check out this demonstration: http://jsfiddle.net/FjLQY/1/

img{
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    width: 128px; /* specify the height of the item */
    height: 128px; /* define the width of the item */
}

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