Scroll en firefox me descuadra la página

[Acelsp]

Vale, aqui está el código del css:

Código:

body {
	text-align: center;
	margin: 0px;
	color: #336699;
	font-family: sans-serif;
	font-size: 12pt;
	min-height: 101%;
}

a {
	color: #336699;
}

#container {
	width: 780px;
	margin: 0px auto;
	text-align: left;
	min-height: 101%;
}

#header {
	background: url(Images/Alonsos_Cabecera.jpg) top left no-repeat;
	width: 780px;
	height: 170px;
	margin: 0px;
	padding: 0px;
}

#sidebar {
	width: 200px;
	padding: 10px 0px 10px 10px;
	float: left;
}

#main {
	margin-left: 216px;
	padding: 10px 40px 10px 0px;
}

p.ppal {
	margin: 0px 0px 30px 0px;
  background: url(Images/flecha.jpg) no-repeat top left;
  padding-left: 20px;
}

#footer {
	clear: both;
}

.menu {
  width: 160px;
  margin-left: 17px;
	color: #333333;
}

.cabmenu {
	background-image: url("Images/Menu_cab.jpg");
	background-repeat: no-repeat;
	text-align: center;
	width: 160px;
	height: 27px;
	font-weight: bold;
	font-size: 10pt;
}

.cabmenu p {
	padding-top: 5px;
	margin: 0px;
}

.cuerpomenu {
  border-left: 1px solid #6F88DC;
  border-right: 1px solid #6F88DC;
  height: 100%;
}

.infomenu {
	font-style: italic;
	font-weight: normal;
	padding-left: 5px;
	display: block;
}

.cuerpomenu p {
	font-weight: bold;
	font-size: 10pt;
}

.cuerpomenu ul {
	list-style-type: none;
	margin: 0px;
	padding: 0px;
	font-weight: 500;
	font-size: 10pt;
}

.cuerpomenu li {	
	background: url(Images/Bullet.jpg) 1em 0.3em no-repeat;
	padding-left: 30px;
  border-bottom: 1px solid #6F88DC;
  /*border-top-width: 0px;*/
}

.cuerpomenu li a {
	color: #333333;
	text-decoration: none;
	display: block;
}

/*#cuerpomenu li a:hover {
	background-color: #000;
	color: #fff;
}*/

.piemenu {
	background-image: url("Images/Menu_pie.jpg");
	background-repeat: no-repeat;
	width: 160px;
	height: 38px;
}

#pie {
	background: url(Images/Alonsos_Pie.jpg) top left no-repeat;
	width: 780px;
	height: 29px;
}

#w3c {
	float: right;
	padding: 11px 5px 0px 0px;
	height: 15px;
}

#menuH {
	float: right;
	margin-top: 104px;
  width: 564px;
  height: 66px;
}

.menuHitem ul {
	margin: 0px;
	padding: 0px;
	list-style-type: none;
}

.menuHitem li {
	float: left;
	width: 104px;
	height: 28px;
	background-image: url(Images/MenuH_PestNoSel.gif);
	background-repeat: no-repeat;
	text-align: center;
}

li.sel {
	float: left;
	width: 104px;
	height: 28px;
	background-image: url(Images/MenuH_PestSel.gif);
	background-repeat: no-repeat;
	text-align: center;
}

.menuHitem li a {
	text-decoration: none;
	display: block;
	color: #333333;
	font-weight: bold;
	font-size: 10pt;
	padding-top: 5px;
}

#menuHder {
	float: right;
	background: url(Images/MenuH_Der.gif) bottom right no-repeat;
	width: 44px;
	height: 28px;
}

#menuHpie {
	clear: both;
	background: url(Images/MenuH_Pie.jpg) bottom right no-repeat;
	width: 564px;
	height: 38px;
}

.formulario {
	margin: 0px;
}
.boton_frm {
	background: url(Images/Btn_azul.jpg) bottom left no-repeat;
	width: 96px;
	height: 100%;
	border: 0px;
	color: #333333;
}

.campo {
	width: 90px;
}

#citaindex {
  float: right;
  background: url(Images/abre-comillas.gif) no-repeat top left;
  width: 460px;
  padding-left: 35px;
}

#citaindex p {
  background: url(Images/cierra-comillas.gif) no-repeat bottom right;
  padding-right: 35px;
  height: 24px;
}

#autorcita {
	float: right;
  padding-right: 40px;
}

.menuG {
   width: 518px;
}

.cabmenuG {
	background-image: url("Images/MenuG_cab.jpg");
	background-repeat: no-repeat;
	text-align: center;
	width: 518px;
	height: 27px;
}

.cuerpomenuG {
  border-left: 1px solid #5A5A5A;
  border-right: 1px solid #5A5A5A;
  height: 100%;
  padding: 10px;
}

.cuerpomenuG p {
	margin: 0px;
	padding: 0px;
}

.piemenuG {
	background-image: url("Images/MenuG_pie.jpg");
	background-repeat: no-repeat;
	width: 518px;
	height: 14px;
}