feat(styles): assimilate line spacing

scenarios/xslt/edxml2html/css/styles.css

@@ -55,12 +55,8 @@ div.column {
 /*::::::::::::::::::::::::::::::::::{ LINE-LEVEL }::::::::::::::::::::::::::::::::*/
 .surface .line,
 .surface .note {
-    line-height: 1.5em;
-}
-
-.surface .line:not(:last-child),
-.surface .note:not(:last-child) {
-    margin-bottom: .3em;
+    line-height: 1.65em;
+    margin-bottom: 0.45em;
 }
 
 /*----------------------------------{ LINES }--------------------------------*/
@@ -170,8 +166,8 @@ hr.metamark-line.doubleLine {
 
 /*----------------------------------{ UNIT }--------------------------------*/
 .philology .unit {
-    line-height: 1.8em;
-    padding-bottom: 0.6em;
+    line-height: 1.65em;
+    padding-bottom: 0.45em;
 }
 
 .philology .unit:hover {
@@ -202,7 +198,7 @@ hr.metamark-line.doubleLine {
 /*---------------------------------{ TRANSLATION }------------------------------*/
 
 .translation[data-lang="en"] {
-  display: none
+  display: none;
 }
 
 
@@ -212,7 +208,7 @@ hr.metamark-line.doubleLine {
     font-family: var(--tech-font);
     font-size: small;
     line-height: 1.5;
-    vertical-align: super
+    vertical-align: super;
 }
 
 .lb:before {