.timeline dl
{
margin:0;
padding:0;
}
.timeline dt
{
font-weight:bold;
float:left;
clear:left;
width:160px;
background-color:#DDDDDD;
padding:0.5em;
margin:0.5em 0;
}
.timeline dd
{
float:left;
width:320px;
padding:0.5em 0 0.5em 1em;
margin:0.5em 0;
border-top:1px solid #DDDDDD;
}