.graph th {
font-family:tahoma;
font-weight:normal;
vertical-align:middle;
font-size:10px;
text-align:left;
width:90px;
}
.graph th img {
vertical-align:middle;
}

.graph2 th {
font-family:tahoma;
font-weight:normal;
vertical-align:bottom;
font-size:10px;
text-align:center;
width:45px;
}