change typography tags to classes

Author: Filip Łukasik

scaladoc/resources/dotty_res/styles/typography.css

@@ -1,46 +1,46 @@
-h700 {
+.h700 {
   font-size: 52px;
   line-height: 64px;
   font-weight: 500;
 }
 
-h600 {
+.h600 {
   font-size: 40px;
   line-height: 56px;
   font-weight: 700;
 }
 
-h500 {
+.h500 {
   font-size: 32px;
   line-height: 40px;
   font-weight: 500;
 }
 
-h400 {
+.h400 {
   font-size: 24px;
   line-height: 32px;
   font-weight: 500;
 }
 
-h300 {
+.h300 {
   font-size: 20px;
   line-height: 24px;
   font-weight: 700;
 }
 
-h200 {
+.h200 {
   font-size: 16px;
   line-height: 24px;
   font-weight: 500;
 }
 
-h100 {
+.h100 {
   font-size: 13px;
   line-height: 16px;
   font-weight: 500;
 }
 
-h50 {
+.h50 {
   font-size: 9px;
   line-height: 12px;
   font-weight: 600;
@@ -80,4 +80,4 @@ h50 {
   font-size: 13px;
   line-height: 20px;
   font-weight: 400;
-}
+}