.spoilerheader {
padding-left: 15px;
background-image: url(plus.gif);
background-repeat: no-repeat;
display: block;
cursor: pointer;
cursor: hand;
background-position: left;
font-size: 12pt;
}

.spoiler.open .spoilerheader {background-image : url(minus.gif);}
.spoiler .spoilertext {display:none;}
.spoiler.open .spoilertext {display:block;}

ul.dash{ list-style-type: none; margin: 0px; padding-left: 0px;  }
ul.dash li{ padding: 0px;  color: Black; display: block; }
ul.dash>li:before { content: '\2014\a0'; float: left; margin-left: 0px;  }
ul.dash>li>*{ text-indent: 0px; }
ul.dash li{ behavior: expression( !this.before ? this.before = this.innerHTML = '— ' + this.innerHTML : '' ); text-indent: 0px; padding-left: 0px; }