.c1 {  font-size: 20px; line-height: 37px; font-weight: bold}
.c2 {  font-size: 10px}
.c3 { font-size: 16px; line-height: 18px; font-weight: bold }
.c4 { font-size: 12px; font-weight: normal; line-height: 16px}
.c5 { font-size: 10px; font-weight: normal; line-height: 16px }