Add some spacing below h3 headers in HTML docs

docs/source/_static/default.css

@@ -1,534 +1,534
 /**
  * Alternate Sphinx design
  * Originally created by Armin Ronacher for Werkzeug, adapted by Georg Brandl.
  */
 
 body {
     font-family: 'Lucida Grande', 'Lucida Sans Unicode', 'Geneva', 'Verdana', sans-serif;
     font-size: 14px;
     letter-spacing: -0.01em;
     line-height: 150%;
     text-align: center;
     /*background-color: #AFC1C4; */
     background-color: #BFD1D4;
     color: black;
     padding: 0;
     border: 1px solid #aaa;
 
     margin: 0px 80px 0px 80px;
     min-width: 740px;
 }
 
 a {
     color: #CA7900;
     text-decoration: none;
 }
 
 a:hover {
     color: #2491CF;
 }
 
 pre {
     font-family: 'Consolas', 'Deja Vu Sans Mono', 'Bitstream Vera Sans Mono', monospace;
     font-size: 0.95em;
     letter-spacing: 0.015em;
     padding: 0.5em;
     border: 1px solid #ccc;
     background-color: #f8f8f8;
 }
 
 td.linenos pre {
     padding: 0.5em 0;
     border: 0;
     background-color: transparent;
     color: #aaa;
 }
 
 table.highlighttable {
     margin-left: 0.5em;
 }
 
 table.highlighttable td {
     padding: 0 0.5em 0 0.5em;
 }
 
 cite, code, tt {
     font-family: 'Consolas', 'Deja Vu Sans Mono', 'Bitstream Vera Sans Mono', monospace;
     font-size: 0.95em;
     letter-spacing: 0.01em;
 }
 
 hr {
     border: 1px solid #abc;
     margin: 2em;
 }
 
 tt {
     background-color: #f2f2f2;
     border-bottom: 1px solid #ddd;
     color: #333;
 }
 
 tt.descname {
     background-color: transparent;
     font-weight: bold;
     font-size: 1.2em;
     border: 0;
 }
 
 tt.descclassname {
     background-color: transparent;
     border: 0;
 }
 
 tt.xref {
     background-color: transparent;
     font-weight: bold;
     border: 0;
 }
 
 a tt {
     background-color: transparent;
     font-weight: bold;
     border: 0;
     color: #CA7900;
 }
 
 a tt:hover {
     color: #2491CF;
 }
 
 dl {
     margin-bottom: 15px;
 }
 
 dd p {
     margin-top: 0px;
 }
 
 dd ul, dd table {
     margin-bottom: 10px;
 }
 
 dd {
     margin-top: 3px;
     margin-bottom: 10px;
     margin-left: 30px;
 }
 
 .refcount {
     color: #060;
 }
 
 dt {
     font-weight: bold;
     padding-left: 0.5em;
 }
 
 dt:target,
 .highlight {
     background-color: #fbe54e;
 }
 
 dl.class, dl.function {
     border-top: 2px solid #888;
 }
 
 dl.method, dl.attribute {
     border-top: 1px solid #aaa;
 }
 
 dl.glossary dt {
     font-weight: bold;
     font-size: 1.1em;
 }
 
 pre {
     line-height: 120%;
 }
 
 pre a {
     color: inherit;
     text-decoration: underline;
 }
 
 .first {
     margin-top: 0 !important;
 }
 
 div.document {
     background-color: white;
     text-align: left;
     background-image: url(contents.png);
     background-repeat: repeat-x;
 }
 
 /*
 div.documentwrapper {
     width: 100%;
 }
 */
 
 div.clearer {
     clear: both;
 }
 
 div.related h3 {
     display: none;
 }
 
 div.related ul {
     background-image: url(navigation.png);
     height: 2em;
     list-style: none;
     border-top: 1px solid #ddd;
     border-bottom: 1px solid #ddd;
     margin: 0;
     padding-left: 10px;
 }
 
 div.related ul li {
     margin: 0;
     padding: 0;
     height: 2em;
     float: left;
 }
 
 div.related ul li.right {
     float: right;
     margin-right: 5px;
 }
 
 div.related ul li a {
     margin: 0;
     padding: 0 5px 0 5px;
     line-height: 1.75em;
     color: #EE9816;
 }
 
 div.related ul li a:hover {
     color: #3CA8E7;
 }
 
 div.body {
     margin: 0;
     padding: 0.5em 20px 20px 20px;
 }
 
 div.bodywrapper {
     margin: 0 240px 0 0;
     border-right: 1px solid #ccc;
 }
 
 div.body a {
     text-decoration: underline;
 }
 
 div.sphinxsidebar {
     margin: 0;
     padding: 0.5em 15px 15px 0;
     width: 210px;
     float: right;
     text-align: left;
 /*    margin-left: -100%; */
 }
 
 div.sphinxsidebar h4, div.sphinxsidebar h3 {
     margin: 1em 0 0.5em 0;
     font-size: 0.9em;
     padding: 0.1em 0 0.1em 0.5em;
     color: white;
     border: 1px solid #86989B;
     background-color: #AFC1C4;
 }
 
 div.sphinxsidebar ul {
     padding-left: 1.5em;
     margin-top: 7px;
     list-style: none;
     padding: 0;
     line-height: 130%;
 }
 
 div.sphinxsidebar ul ul {
     list-style: square;
     margin-left: 20px;
 }
 
 p {
     margin: 0.8em 0 0.5em 0;
 }
 
 p.rubric {
     font-weight: bold;
 }
 
 h1 {
     margin: 0;
     padding: 0.7em 0 0.3em 0;
     font-size: 1.5em;
     color: #11557C;
 }
 
 h2 {
     margin: 1.3em 0 0.2em 0;
     font-size: 1.35em;
     padding: 0;
 }
 
 h3 {
-    margin: 1em 0 -0.3em 0;
+    margin: 1em 0 0.2em 0;
     font-size: 1.2em;
 }
 
 h1 a, h2 a, h3 a, h4 a, h5 a, h6 a {
     color: black!important;
 }
 
 h1 a.anchor, h2 a.anchor, h3 a.anchor, h4 a.anchor, h5 a.anchor, h6 a.anchor {
     display: none;
     margin: 0 0 0 0.3em;
     padding: 0 0.2em 0 0.2em;
     color: #aaa!important;
 }
 
 h1:hover a.anchor, h2:hover a.anchor, h3:hover a.anchor, h4:hover a.anchor,
 h5:hover a.anchor, h6:hover a.anchor {
     display: inline;
 }
 
 h1 a.anchor:hover, h2 a.anchor:hover, h3 a.anchor:hover, h4 a.anchor:hover,
 h5 a.anchor:hover, h6 a.anchor:hover {
     color: #777;
     background-color: #eee;
 }
 
 table {
     border-collapse: collapse;
     margin: 0 -0.5em 0 -0.5em;
 }
 
 table td, table th {
     padding: 0.2em 0.5em 0.2em 0.5em;
 }
 
 div.footer {
     background-color: #E3EFF1;
     color: #86989B;
     padding: 3px 8px 3px 0;
     clear: both;
     font-size: 0.8em;
     text-align: right;
 }
 
 div.footer a {
     color: #86989B;
     text-decoration: underline;
 }
 
 div.pagination {
     margin-top: 2em;
     padding-top: 0.5em;
     border-top: 1px solid black;
     text-align: center;
 }
 
 div.sphinxsidebar ul.toc {
     margin: 1em 0 1em 0;
     padding: 0 0 0 0.5em;
     list-style: none;
 }
 
 div.sphinxsidebar ul.toc li {
     margin: 0.5em 0 0.5em 0;
     font-size: 0.9em;
     line-height: 130%;
 }
 
 div.sphinxsidebar ul.toc li p {
     margin: 0;
     padding: 0;
 }
 
 div.sphinxsidebar ul.toc ul {
     margin: 0.2em 0 0.2em 0;
     padding: 0 0 0 1.8em;
 }
 
 div.sphinxsidebar ul.toc ul li {
     padding: 0;
 }
 
 div.admonition, div.warning {
     font-size: 0.9em;
     margin: 1em 0 0 0;
     border: 1px solid #86989B;
     background-color: #f7f7f7;
 }
 
 div.admonition p, div.warning p {
     margin: 0.5em 1em 0.5em 1em;
     padding: 0;
 }
 
 div.admonition pre, div.warning pre {
     margin: 0.4em 1em 0.4em 1em;
 }
 
 div.admonition p.admonition-title,
 div.warning p.admonition-title {
     margin: 0;
     padding: 0.1em 0 0.1em 0.5em;
     color: white;
     border-bottom: 1px solid #86989B;
     font-weight: bold;
     background-color: #AFC1C4;
 }
 
 div.warning {
     border: 1px solid #940000;
 }
 
 div.warning p.admonition-title {
     background-color: #CF0000;
     border-bottom-color: #940000;
 }
 
 div.admonition ul, div.admonition ol,
 div.warning ul, div.warning ol {
     margin: 0.1em 0.5em 0.5em 3em;
     padding: 0;
 }
 
 div.versioninfo {
     margin: 1em 0 0 0;
     border: 1px solid #ccc;
     background-color: #DDEAF0;
     padding: 8px;
     line-height: 1.3em;
     font-size: 0.9em;
 }
 
 
 a.headerlink {
     color: #c60f0f!important;
     font-size: 1em;
     margin-left: 6px;
     padding: 0 4px 0 4px;
     text-decoration: none!important;
     visibility: hidden;
 }
 
 h1:hover > a.headerlink,
 h2:hover > a.headerlink,
 h3:hover > a.headerlink,
 h4:hover > a.headerlink,
 h5:hover > a.headerlink,
 h6:hover > a.headerlink,
 dt:hover > a.headerlink {
     visibility: visible;
 }
 
 a.headerlink:hover {
     background-color: #ccc;
     color: white!important;
 }
 
 table.indextable td {
     text-align: left;
     vertical-align: top;
 }
 
 table.indextable dl, table.indextable dd {
     margin-top: 0;
     margin-bottom: 0;
 }
 
 table.indextable tr.pcap {
     height: 10px;
 }
 
 table.indextable tr.cap {
     margin-top: 10px;
     background-color: #f2f2f2;
 }
 
 img.toggler {
     margin-right: 3px;
     margin-top: 3px;
     cursor: pointer;
 }
 
 img.inheritance {
     border: 0px
 }
 
 form.pfform {
     margin: 10px 0 20px 0;
 }
 
 table.contentstable {
     width: 90%;
 }
 
 table.contentstable p.biglink {
     line-height: 150%;
 }
 
 a.biglink {
     font-size: 1.3em;
 }
 
 span.linkdescr {
     font-style: italic;
     padding-top: 5px;
     font-size: 90%;
 }
 
 .search input[name=q] {
     max-width: 100%;
     box-sizing: border-box;
     -moz-box-sizing: border-box;
 }
 
 ul.search {
     margin: 10px 0 0 20px;
     padding: 0;
 }
 
 ul.search li {
     padding: 5px 0 5px 20px;
     background-image: url(file.png);
     background-repeat: no-repeat;
     background-position: 0 7px;
 }
 
 ul.search li a {
     font-weight: bold;
 }
 
 ul.search li div.context {
     color: #888;
     margin: 2px 0 0 30px;
     text-align: left;
 }
 
 ul.keywordmatches li.goodmatch a {
     font-weight: bold;
 }
 div.figure {
     text-align: center;
 }
 
 div.versionchanged {
   margin-left: 30px;
   margin-right: 30px;
 }
 
 span.versionmodified {
     font-style: italic;
 }
 
 pre {
   white-space: pre-wrap;
-}
  No newline at end of file
+}