DOCS-839: heading spacing tweak

Author: Sam Kleinman

themes/mongodb/static/mongodb-docs.css_t

@@ -219,7 +219,7 @@ div.body p, div.body dd {
     line-height: 1.8;
 }
 
-div.body li {line-height:1.5;}
+div.body li{line-height:1.55em;}
 
 div.admonition p.admonition-title + p {
     display: inline;
@@ -738,8 +738,8 @@ div#btnv ul#btnvl li#btnvnx:before {content:" ";padding-left:1em;padding-right:1
 div.body > div.section > div.section {margin-left:0;margin-top:2em;}
 
 div.body > div.section > div.section div.section {margin-left:2pc;margin-right:2pc;}
-div.section h2 {line-height:1; margin-bottom: 0.3;}
+/* div.section h2 {line-height:1; margin-bottom: 0.3;} */
 
 table.docutils {margin:auto}
 table.docutils tbody tr td div.highlight pre {background-color:inherit;}
-table.docutils > div.admonition-example {background-color:inherit;}
+table.docutils > div.admonition-example {background-color:inherit;}