Здравствуйте.
Имеется css которую понимают все браузеры, кроме ie. Пожалуйста, подскажите чем может быть вызвана проблема?

/* ACCORDION MENU
----------------------------------------------------------- */
#s5_accordion_menu #current span {
font-style:normal;
}

#s5_accordion_menu h3.s5_am_toggler a.mainlevel {
color:#333333;
}

div.s5_accordion_menu_element li li{
padding-left:12px;
}

div.s5_accordion_menu_element li a {
background:url(../images/s5_acc_arrow.png) no-repeat left center;
padding-left:23px;
padding-top:7px;
padding-bottom:10px;
display:block;
border-bottom:1px dotted #DDDDDD;
font-size:9pt;
}

div.s5_accordion_menu_element li li a {
background:none;
padding-left:6px;
padding-right:6px;
font-size:8pt;
font-style:italic;
color:#333333;
}

.blank-body {
position : absolute;
left : -1000px; }


span.s5_accordion_menu_left {
background:#FFFFFF url(../images/s5_acc_m.png) repeat-x top left;
padding:0px;
padding-left:10px;
padding-right:10px;
padding-top:6px;
display:block;
padding-bottom:6px;
}

#s5_accordion_menu h3.s5_am_open span.s5_accordion_menu_left {
background:url(../images/s5_acc_act_l.png) no-repeat top left;
height:30px;
}

#s5_accordion_menu h3.s5_am_not_parent span.s5_accordion_menu_left {
height:auto;
}

#s5_accordion_menu h3.s5_am_open span.s5_accordion_menu_left a {
color:#FFFFFF;
}

.s5_am_inner_li span.s5_accordion_menu_left {
padding:0px;
}

.s5_am_innermenu span.s5_accordion_menu_left {
background:none;
}

#s5_accordion_menu ul li {
padding-bottom:0px;
padding-top:0px;
}


/* MODULE STYLES
----------------------------------------------------------- */

.s5_mod_h3 {
font-size:13pt;
text-shadow:1px 1px 1px #000000;
color:#FFFFFF;
padding-top:21px;
margin-left:-27px;
font-weight:normal;
}

.s5_mod_h3_1 {
margin-left:-12px;
margin-right:-12px;
height:68px;
padding:0px;
padding-left:40px;
margin-top:-14px;
background:url(../images/s5_mod_def_l.png) no-repeat top left;
}

.s5_mod_h3_2 {
height:65px;
padding:0px;
background:url(../images/s5_mod_def_r.png) no-repeat top right;
}

.module_round_box-red .s5_mod_h3_1 {
background:url(../images/s5_mod_red_l.png) no-repeat top left;
}

.module_round_box-red .s5_mod_h3_2 {
background:url(../images/s5_mod_red_r.png) no-repeat top right;
}

.module_round_box-blue .s5_mod_h3_1 {
background:url(../images/s5_mod_blue_l.png) no-repeat top left;
}

.module_round_box-blue .s5_mod_h3_2 {
background:url(../images/s5_mod_blue_r.png) no-repeat top right;
}

.module_round_box-green .s5_mod_h3_1 {
background:url(../images/s5_mod_green_l.png) no-repeat top left;
}

.module_round_box-green .s5_mod_h3_2 {
background:url(../images/s5_mod_green_r.png) no-repeat top right;
}

.module_round_box-teal .s5_mod_h3_1 {
background:url(../images/s5_mod_teal_l.png) no-repeat top left;
}

.module_round_box-teal .s5_mod_h3_2 {
background:url(../images/s5_mod_teal_r.png) no-repeat top right;
}

.module_round_box-dark_red .s5_mod_h3_1 {
background:url(../images/s5_mod_red_l.png) no-repeat top left;
}

.module_round_box-dark_red .s5_mod_h3_2 {
background:url(../images/s5_mod_red_r.png) no-repeat top right;
}

.module_round_box-dark_blue .s5_mod_h3_1 {
background:url(../images/s5_mod_blue_l.png) no-repeat top left;
}

.module_round_box-dark_blue .s5_mod_h3_2 {
background:url(../images/s5_mod_blue_r.png) no-repeat top right;
}

.module_round_box-dark_green .s5_mod_h3_1 {
background:url(../images/s5_mod_green_l.png) no-repeat top left;
}

.module_round_box-dark_green .s5_mod_h3_2 {
background:url(../images/s5_mod_green_r.png) no-repeat top right;
}

.module_round_box-dark_teal .s5_mod_h3_1 {
background:url(../images/s5_mod_teal_l.png) no-repeat top left;
}

.module_round_box-dark_teal .s5_mod_h3_2 {
background:url(../images/s5_mod_teal_r.png) no-repeat top right;
}

#s5_component_wrap_area, .module_round_box, .module_round_box-red, .module_round_box-blue, .module_round_box-green, .module_round_box-teal, .module_round_box-dark_grey, .module_round_box-dark_red, .module_round_box-dark_green, .module_round_box-dark_blue, .module_round_box-dark_teal {
padding-bottom:6px;
padding-left:6px;
}

.s5_round_box1, #s5_component_wrap_area_inner {
background:#FFFFFF url(../images/s5_mod_gradient.png) repeat-x top left;
border:solid 1px #AAAAAA;
padding:12px;
}

.module_round_box-dark_grey .s5_round_box1, .module_round_box-dark_red .s5_round_box1, .module_round_box-dark_blue .s5_round_box1, .module_round_box-dark_green .s5_round_box1, .module_round_box-dark_teal .s5_round_box1 {
background:#111111;
border:none;
padding:13px;
color:#AAAAAA;
}

.module_round_box-dark_grey .s5_round_box1 a, .module_round_box-dark_red .s5_round_box1 a, .module_round_box-dark_blue .s5_round_box1 a, .module_round_box-dark_green .s5_round_box1 a, .module_round_box-dark_teal .s5_round_box1 a {
color:#FFFFFF;
}

.module_round_box-dark_grey .s5_round_box1 .article_separator, .module_round_box-dark_red .s5_round_box1 .article_separator, .module_round_box-dark_blue .s5_round_box1 .article_separator, .module_round_box-dark_green .s5_round_box1 .article_separator, .module_round_box-dark_teal .s5_round_box1 .article_separator {
display:none;
}

#cboxLoadedContent h3 {
margin-bottom:10px;
}

.s5_round_box1 .contentpagetitle {
font-size:11pt;
}

.s5_round_box1 .contentpaneopen {
font-size:9pt;
}

.s5_round_box1 a.readmore {
margin-top:4px;
display:block;
}