Ways to modify browser dimensions to 100% using CSS?

I was trying to adjust my site to fit the browser, and when I set the body's CSS to "width=100% height=100%" it worked fine. However, when I applied the same style to the container's div, it seemed to disappear as the background color was not visible.

Here is the HTML code:

<html>
<head>
<title>Untitled</title>
<link href="css/stylesheet1.css" rel="stylesheet" type="text/css"/>
<link rel="icon" type="image/x-icon" href="images/favicon.ico" /></head>
</head>
<body>
<div id="container">
<div id="header">
<div class="logo">
<div id="logo">Logo</span></div>
</div><!--Logo-->
<div class="search-bar">Search Bar</div>
</div>
</div>
</body>
</html>

This is the CSS code:

body{
width:100%;
height:100%;
margin: 0;
background:#CCC;
}
#container{
width:100%;
height:100%;
margin:0 auto;
background:#000;
}
#header{
width:100%;
height:12%;
float:left;
background:#F00;
}
.logo{
width:50%;
height:100%;
float:left;
background:#0F0;
}
.search-bar{
width:50%;
height:100%;
float:left;
color:#FFF;
font-family: 'century gothic';
text-align:center;
margin-top:20px;
}
#logo
{
width:100%;
height:100%; 
float:left;
font-size:48px; 
color:#FFF;
font-family: 'century gothic';
text-align:center;
margin-top:20px;
}

I'm having trouble with this issue, any help would be greatly appreciated!

Answer №1

When applying the height in percentage, it's important for the parent element to have its height explicitly set.

If you only set the height property without setting a height for the parent tag html, it will default to a height of 0.

Update: Check out the Resolved Example

Answer №2

To ensure it fits perfectly within the browser window, your best bet is to utilize this method.

Style with CSS

body {
   width: 100vw;
   height: 100vh;
}

Here, 'vh' and 'vw' correspond to percentages based on viewport height and width respectively;

Answer №4

For an element to take up the full size of the browser, it must be a direct child of the body element and you have to apply the following CSS style to the body:

body, html {
    width: 100%;
    height: 100%;
}

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