DOC: Small improvements

Author: bashtage

doc/source/_static/css/small_fixes.css

@@ -12,17 +12,18 @@ span.classifier:before {
 
 div.deprecated, div.versionadded, div.versionchanged {
     background-color: #FFFFFF;
-    border-left: .2rem solid;
+    border-left: .05rem solid;
     border-color: #459db9;
-    border-radius: .25rem;
-    box-shadow: 0 .2rem .5rem #d8d8d8,0 0 .0625rem #d8d8d8!important;
+    border-radius: .2rem;
+    /* box-shadow: 0 .2rem .5rem #d8d8d8,0 0 .0625rem #d8d8d8!important; */
     margin: 1.5625em auto;
     overflow: hidden;
     padding: 0 .6rem;
     page-break-inside: avoid;
     position: relative;
     transition: color .25s,background-color .25s,border-color .25s;
     vertical-align: middle;
+    font-size: 0.64rem;
 }
 div.deprecated>p, div.versionadded>p, div.versionchanged>p {
     margin-bottom: .6rem;