.tickercontainer { /* the outer div with the black border */
background: #000; 
height: 31px; 
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;
top: 8px;
width: 620px;
overflow: hidden;
}

ul.newsticker { /* that's your list */
position: relative;
left: 750px;
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: 0;
 color:#C91C1C;
}


ul.newsticker a {
white-space: nowrap;
padding: 0;
color: #ff0000;
} 

ul.newsticker a:hover{
 color: #ff0000;
}

ul.newsticker span {
margin: 0 50px 0 0;
}