#main
{
background:#f0f8ff;
padding:5px;
border:1px solid blue;
width:650px;
margin:auto;
}
#line_ht
{
line-height:100%;
}
#dydxobj
{
background:none;
position:relative;
left:200px;
top:-110px;
}
#greek
{
list-style-type:lower-greek;
}