* {
    margin: 0;
    padding: 0;
    }
body {
	background: #878784;
	}
#center {
	width: 400px;
	height: 180px;
	margin: 20px auto;
	border: 1px solid;
	}

#center {
background: url(../calculofrete.png) center no-repeat;
border: 0;
font:80% "Trebuchet MS";
padding:5px; 
width:550px;
height: 292px;
overflow: hidden;
}
#center h1{
	text-indent: -9999px;
	}
# center input {
	border:1px solid #CCC;
	font:100% "Trebuchet MS";
	vertical-align:middle;
}
#center label{
	margin-right: 5px;
	}
#center p{
    margin-top: 100px;
    margin-left: 30px;
    }
#center2 {
	width: 400px;
	height: 100px;
	margin: 20px auto;
	border: 1px solid;
	}

#center2 {
background: url(../calculofrete.png) center no-repeat;
border: 0;
font:80% "Trebuchet MS";
padding:5px; 
width:550px;
height: 292px;
overflow: hidden;
}
#center2 h1{
	text-indent: -9999px;
    margin-bottom: 110px;
	}
#center2 h3 {
	color: green;
    margin-left: 70px;
	}
#center2 h4 {
	color: red;
    margin-top: 70px;
    margin-left: 30px;
    font-size: 14px;
	}
#center2 p{
    margin-left: 70px;
    }