Beautiful Google background form 

css:-

form{background-image:url(http://google.com.au/intl/en_au/images/logo.gif);
text-align:center;
background-repeat:no-repeat;
padding:10px;
height:88px;
width:258px;
font-family:Tahoma;
font-size:14px;
color:#000000;
} 

html:-
<form id="form1" name="form1" method="post" action="">
<strong>Your Form </strong><br />
<br />
<input type="text" name="textfield" id="textfield" />
    <label> <br />
    <input type="submit" name="button" id="button" value="Submit" />
    </label>

</form>