Put this in includes/templates/YOUR_TEMPLATE/css/stylesheet.css:

/* ---- Article Sidebox ---- */
#staticRSSText {
  font-weight: bold;
}
.staticRSSArticles {
	text-align: left;
	margin: 5px 0 0 0;
	list-style: none;
	font-size: 10px;
	font-weight: normal;
}

.staticRSSArticle {
  margin: 0;
  /* remove/comment out the following line if using a defined delimiter */
  background: url("../images/icons/bullet-point.gif") 0px 8px no-repeat;
  padding: 0px 0px 2px 8px; 
}

.staticRSSArticle a {
	font-weight: normal;
}