.mainbody {  font-family: Arial, Helvetica, sans-serif; font-size: 12px; font-style: normal; color: #000000}
.tutorial {  font-family: Arial, Helvetica, sans-serif; font-size: 12px; font-style: normal; line-height: normal; font-weight: normal; font-variant: normal; color: #000000; text-align: justify; visibility: visible; clip:   rect(   ); cursor: crosshair}