Update layout, remove unused files

docs/source/_themes/Alchemy/static/Alchemy.css_t

@@ -10,14 +10,6 @@ tt.literal{
     font-weight:bold;
 }
 
-h2{
- margin: 15px 0 5px;
-}
-
-h3{
- margin: 15px 0 10px;
-}
-
 a.headerlink {
     display:none;
 }

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

@@ -0,0 +1,7 @@
+h2{
+ padding: 40px 0 5px;
+}
+
+h3{
+ padding: 40px 0 10px;
+}

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

@@ -1,3 +1,6 @@
 /**
  * Here you write your customizations
  */
+body, html {
+    background-color:#CEC7CB;
+}