.tickercontainer { /* the outer div */
height: 27px; 
margin: 0; 
padding: 0;
overflow: hidden; 
}
.tickercontainer .mask {
position: relative;
top: 8px;
height: 18px;
overflow: hidden;
}
ul.newsticker { /* that's your list */
position: relative;
margin-left: 20px;
font: bold 12px Verdana;
list-style-type: none;
margin: 0; 
padding: 0;
}
ul.newsticker li {
float: left; /* important: display inline gives incorrect results when you check for elem's width */
margin: 0;
padding-right: 15px;
}
ul.newsticker a {
padding: 0;
color: #000000;
font: bold 12px Verdana;
margin: 0 50px 0 0;
}