.tickercontainer {
background: #fc7d00; 
width: 960px; 
height: 25px; 
margin: 0; 
padding: 0;
overflow: hidden; 
}
.tickercontainer .mask { /* that serves as a mask. so you get a sort of padding both left and right */
position: relative;
left:10px;
width: 950px;
height:25px;
overflow: hidden;
}

ul.newsticker { /* that's your list */
position: relative;
left: 960px;
font: bold 10px Verdana;
list-style-type: none;
margin: 0;
padding: 0;
color:#fff;
}

ul.newsticker li {
float: left; /* important: display inline gives incorrect results when you check for elem's width */
margin: 0;
padding: 0;
height:25px;
padding-top:5px;
color:#fff;
}
ul.newsticker a {
white-space: nowrap;
padding: 0;
color: #fff;
font: normal 11px Verdana;
margin: 0 50px 0 0;
text-decoration:none;
} 

ul.newsticker a:hover {
text-decoration:underline;
}

ul.newsticker span {
margin: 0 10px 0 0;
}