how to make background image correct resolution in html code example
Example 1: how to set a full size background image in html
<head>
<style>
#example1{
border: 2px solid black;
padding: 100px;
background: url(mountain.jpg);
background-repeat: no-repeat;
background-size: 100% 100%;
}
</style>
</head>
<body>
<div id="example1">
</div>
</body>
Example 2: how to set background automatically with my screen height
body {
background-image: url("img_tree.gif");
background-repeat: no-repeat;
background-attachment: fixed;
background-position: top center;
background-size: contain;
}