Problema con espacios en Internet Explorer

[eragas]

Estimados,

Tengo un problema con los espacios en Internet Explorer. En Chrome y Mozilla se ve genial pero en Interney Explorer falla.



Los archivos están en: http://dl.dropbox.com/u/45356604/store.zip

Código HTML:

@charset "utf-8";
/* CSS Document */
body{
	margin:o;
	background-color:#FFFFFF;
}
p{
	font-family:Verdana, Geneva, sans-serif;
	color:#333;
	text-align:left;
	font-size:10px;
}

hr
	{border: none 0; 
	border-top: 1px dashed #c1c1c1;/*the border*/
	width: 100%;
	height: 1px;
}

/* DIV */

#main {
	width:490px;
	margin:0 auto;
}

#header {
	width:100%;
	margin-bottom:30px;
}

#item {
	width:100%;
	/* background-color:#CCC; */
	margin:0px 0px 20px 0px;
}

#image {
	width:170px;
}

#details {
	width:320px;
	float:right;
}

#footer {
	width:100%;
	margin: 40px 0px 0px 0px;
	background-color:#e0dfdf;
}

#plus {
	margin: 160px 0px 0px 0px;
}


/* Styles */

.suscribers {
	font-size:18px;
	font-weight:bold;
	margin:15px 0px 0px 0px;
}

.only {
	line-height:25px;
	margin:0px 0px 0px 0px;
}

.footer {
	line-height:25px;
	margin:0px 0px 0px 0px;
	text-align:center;
}

.reson {
	padding: 0px 0px 0px 15px;
}

/*GO BUTTONS */
.buttons a, .buttons button{
    display:block;
    float:left;
    margin:0 7px 0 0;
    background-color:#f5f5f5;
    border:1px solid #dedede;
    border-top:1px solid #eee;
    border-left:1px solid #eee;    font-family:"Lucida Grande", Tahoma, Arial, Verdana, sans-serif;
    font-size:12px;
    line-height:130%;
    text-decoration:none;
    font-weight:bold;
    color:#565656;
    cursor:pointer;
    padding:5px 10px 6px 7px; /* Links */
}
.buttons button{
    width:auto;
    overflow:visible;
    padding:4px 10px 3px 7px; /* IE6 */
}
.buttons button[type]{
    padding:5px 10px 5px 7px; /* Firefox */
    line-height:17px; /* Safari */
}
*:first-child+html button[type]{
    padding:4px 10px 3px 7px; /* IE7 */
}
.buttons button img, .buttons a img{
    margin:0 3px -3px 0 !important;
    padding:0;
    border:none;
    width:16px;
    height:16px;
}

/* STANDARD */button:hover, .buttons a:hover{
    background-color:#dff4ff;
    border:1px solid #c2e1ef;
    color:#336699;
}
.buttons a:active{
    background-color:#6299c5;
    border:1px solid #6299c5;
    color:#fff;
}/* POSITIVE */button.positive, .buttons a.positive{
    color:#529214;
}
.buttons a.positive:hover, button.positive:hover{
    background-color:#E6EFC2;
    border:1px solid #C6D880;
    color:#529214;
}
.buttons a.positive:active{
    background-color:#529214;
    border:1px solid #529214;
    color:#fff;
}/* NEGATIVE */.buttons a.negative, button.negative{
    color:#ab3867;/* CHANGE COLOR */
}
.buttons a.negative:hover, button.negative:hover{
    background:#fbe3e4;
    border:1px solid #fbc2c4;
    color:#d12f19;
}
.buttons a.negative:active{
    background-color:#d12f19;
    border:1px solid #d12f19;
    color:#fff;
}
/* FINISH BUTTONS */

Gracias de antemano por su gentil ayuda,