Update styles slightly

_sass/main.scss

@@ -8,12 +8,17 @@ $last-p-padd: 1.5em;
 $nav-padd: 1em;
 $line-under: 1px solid #aaa; 
 
+$line-height: 1.5em;
+$term-line-height: 1em;
+$file-line-height: 1.2em;
+
 body {
   background-color: #fefefe;
   padding: 16px;
   font-family: -apple-system, helvetica, arial, sans-serif;
   font-size: 16px;
   color: $normal-text-color;
+  line-height: $line-height;
 }
 #wrapper {
   max-width: 800px;
@@ -67,8 +72,8 @@ a.post-title-link {
   text-decoration: none;
 }
 .post-title {
+  line-height: $line-height;
   color: $nav-link-color;
-  line-height: 1.3em;
 }
 a.citation-link {
   text-decoration: none;
@@ -98,7 +103,6 @@ li {
 }
 
 p {
-  line-height: 1.5em;
   padding: .1em 0;
 }
 
@@ -192,7 +196,7 @@ footer {
 }
 
 .terminal {
-  line-height: 1em;
+  line-height: $term-line-height;
   overflow: scroll;
   padding: 10px; 
   color: #00FF41;
@@ -204,7 +208,7 @@ footer {
   overflow: scroll;
   padding: 10px;
   margin: 0px;
-  line-height: 1.2em;
+  line-height: $file-line-height;
   background-color: #dfdfdf;
   color: #000;
 }