Update layout

docs/source/_themes/Alchemy/static/bootstrapCustom.css

@@ -14,4 +14,25 @@ a, a:hover, a:visited{
 .navbar a,
 .sphinxsidebarwrapper a{
     text-decoration:none;
-}
+}
+
+.admonition.note .first.admonition-title {
+    font-family: century gothic;
+    font-weight: bold;
+    text-align : center;
+    line-height: 30px;
+    overflow:hidden;
+    -webkit-border-radius:50px;
+    -moz-border-radius:50px;
+    border-radius:50px;
+    background-color: blue;
+    box-shadow: 0.5px 0.5px 2px #343434;;
+    color:white;
+    width:50px;
+    margin-right:1em;
+    float:left;
+}
+
+.admonition.note .last {
+    line-height: 25px;
+}