doc: Update CSS for readable @RetVal tables

Currently now margin between the return value and its description are added in return value tables generated with the @RetVal command. This adds a 2em margin, which is consistent with the margin after parameter names in the parameter table.
RIOT-OS · Jan 8, 2020 · 3cff7c0 · 3cff7c0
1 parent 7480642
commit 3cff7c0
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diff --git a/doc/doxygen/src/css/riot.css b/doc/doxygen/src/css/riot.css
@@ -516,3 +516,6 @@ dl.todo > dt {
   background-color: #f5f5f5;
   padding: 4px 6px;
 }
+table.retval > tbody > tr > td.paramname {
+  padding-right: 2em;
+}
diff --git a/doc/doxygen/src/css/riot.less b/doc/doxygen/src/css/riot.less
@@ -458,3 +458,6 @@ dl.todo > dt {
   background-color: @well-bg;
   padding: 4px 6px;
 }
+table.retval > tbody > tr > td.paramname {
+  padding-right: 2em;
+}