Untitled

<style type="text/css">
img {
width:100%;
height:100%;
margin:0px;
}
  </style>

<img src="wacard.png" alt="original image" title="">

<style type="text/css">
body {
width:100%;
height:100%;
margin:0px;
}
  </style>

<body
 style="background-image: url(wacard.png);">
</body>

html {
        background: url(images/bg.jpg) no-repeat center center fixed;
        -webkit-background-size: cover;
        -moz-background-size: cover;
        -o-background-size: cover;
        background-size: cover;
}

background-position:

background-origin:

background-size: cover;