.top_font { FONT-SIZE: x-small; FONT-FAMILY: "Arial", "MS UI Gothic", "sans-serif" 
} .book_font1 { FONT-SIZE: small;FONT-FAMILY: "verdana", "Times New Roman", "Times"} .eq_font {FONT-SIZE:x-small;FONT-FAMILY: "Times New Roman", "Times", "serif"}.print_font {  font-family: "Arial", "Helvetica", "sans-serif"; font-size: 12px}
.book_font2 {  font-family: "verdana", "Helvetica", "sans-serif"; font-size: x-small}
.book_font3 {  font-family: "Arial", "Helvetica", "sans-serif"; font-size: xx-small}