.loading{
color: #666666;
font-size: 11px;
font-family: Arial, Helvetica, sans-serif;
position: absolute;
height: 15px;
width: 135px;
display: none;
}
.loading img{vertical-align: middle; margin: 0 3px; }

.loading.first_page{
left: 495px;
margin: 18px 0 0 0;
}

.loading.top{
left: 630px;
margin: 18px 0 0 0;
}

.loading.tracking{
margin: 90px 0 0 -270px;
top: 0;
float: left;
}