css:style search box using html button

search-button.css

.search input.box { 
  height:12px;
  width:109px;
  margin:0; 
  padding:5px; 
  color:#A4A3A3; 
  border:1px solid #ccc;
}


.btn {
 background:url("http://cdn3.iconfinder.com/data/icons/eightyshades/512/11_Search-24.png") no-repeat;
  cursor:pointer;
  height:24px;
  width:24px;
  text-indent:-9999px;
  border: none;
}