Imagem Hover - Css Matos 10 08 09

*{
  margin:0px;
  padding:0px;
 }
body{
   background: orange url("../imagens/matos/nfematos.jpg") no-repeat top right;
   font-family: "Sans Serif";
   font-size:40 px;
   text-align: left;
   color: red;
   }
img{
  margin: 10px;
  padding: 10px;
  width: 100px;
  height: 100px;
  border: 1px solid green;
  }
img:hover{
  width: 400px;
  height: 400px;
  }