DOCS-837: more list related CSS fixes

Author: Sam Kleinman

themes/mongodb/static/mongodb-docs.css_t

@@ -742,17 +742,6 @@ header: http://media.mongodb.org/back-header.png
 div.body p {line-height:1.5em;}
 div.body li>p { line-height:1.5em;}
 div.highlight pre {background-color: #F5F5F5;}
-div.section > ul > li {
-    margin-top: 0.5em;
-}
-
-div.section > ol > li {
-    margin-top: 0.5em;
-}
-
-div.toctree-wrapper.compound > ul > li {
-    margin-top: 0.5em;
-}
 
 div.section > h2, div.section > h3,div.section > h4 {margin-top:0;padding-top:0;line-height:1.77}
 /* div.admonition p {line-height:1.6875} */
@@ -780,4 +769,5 @@ table.docutils > div.admonition-example {background-color:inherit;}
 
 /* somehow, powershell commands starting with a directory reference does not include a div.highlight */
 div.highlight-powershell pre {background-color: #F5F5F5;}
-div.admonition-example pre { background-color:#FBFBFB;}
+div.admonition-example pre {background-color:#FBFBFB;}
+li p.first {margin-bottom: 0em;}