diff --git a/docs/Doxyfile b/docs/Doxyfile
index e6f1fb83e..01427bd04 100644
--- a/docs/Doxyfile
+++ b/docs/Doxyfile
@@ -5,6 +5,7 @@ PROJECT_BRIEF          =
 PROJECT_LOGO           =
 OUTPUT_DIRECTORY       = docs/doxygen
 CREATE_SUBDIRS         = NO
+CREATE_SUBDIRS_LEVEL   = 8
 ALLOW_UNICODE_NAMES    = NO
 OUTPUT_LANGUAGE        = English
 BRIEF_MEMBER_DESC      = YES
@@ -94,9 +95,11 @@ WARN_IF_INCOMPLETE_DOC = YES
 WARN_NO_PARAMDOC       = NO
 WARN_AS_ERROR          = NO
 WARN_FORMAT            = "$file:$line: $text"
+WARN_LINE_FORMAT       = "at line $line of file $file"
 WARN_LOGFILE           =
 INPUT                  =
 INPUT_ENCODING         = UTF-8
+INPUT_FILE_ENCODING    =
 FILE_PATTERNS          =
 RECURSIVE              = YES
 EXCLUDE                =
@@ -115,6 +118,7 @@ FILTER_PATTERNS        =
 FILTER_SOURCE_FILES    = NO
 FILTER_SOURCE_PATTERNS =
 USE_MDFILE_AS_MAINPAGE = README.md
+FORTRAN_COMMENT_AFTER  = 72
 SOURCE_BROWSER         = NO
 INLINE_SOURCES         = NO
 STRIP_CODE_COMMENTS    = YES
@@ -134,6 +138,7 @@ HTML_FOOTER            =
 HTML_STYLESHEET        =
 HTML_EXTRA_STYLESHEET  =
 HTML_EXTRA_FILES       =
+HTML_COLORSTYLE        = AUTO_LIGHT
 HTML_COLORSTYLE_HUE    = 220
 HTML_COLORSTYLE_SAT    = 100
 HTML_COLORSTYLE_GAMMA  = 80
@@ -173,7 +178,6 @@ EXT_LINKS_IN_WINDOW    = NO
 OBFUSCATE_EMAILS       = YES
 HTML_FORMULA_FORMAT    = png
 FORMULA_FONTSIZE       = 10
-FORMULA_TRANSPARENT    = YES
 FORMULA_MACROFILE      =
 USE_MATHJAX            = NO
 MATHJAX_VERSION        = MathJax_2
@@ -218,7 +222,7 @@ MAN_OUTPUT             = man
 MAN_EXTENSION          = .3
 MAN_SUBDIR             =
 MAN_LINKS              = NO
-GENERATE_XML           = YES
+GENERATE_XML           = NO
 XML_OUTPUT             = xml
 XML_PROGRAMLISTING     = YES
 XML_NS_MEMB_FILE_SCOPE = NO
@@ -249,8 +253,9 @@ DIA_PATH               =
 HIDE_UNDOC_RELATIONS   = YES
 HAVE_DOT               = NO
 DOT_NUM_THREADS        = 0
-DOT_FONTNAME           = Helvetica
-DOT_FONTSIZE           = 10
+DOT_COMMON_ATTR        = "fontname=Helvetica,fontsize=10"
+DOT_EDGE_ATTR          = "labelfontname=Helvetica,labelfontsize=10"
+DOT_NODE_ATTR          = "shape=box,height=0.2,width=0.4"
 DOT_FONTPATH           =
 CLASS_GRAPH            = YES
 COLLABORATION_GRAPH    = YES
@@ -278,7 +283,6 @@ PLANTUML_CFG_FILE      =
 PLANTUML_INCLUDE_PATH  =
 DOT_GRAPH_MAX_NODES    = 50
 MAX_DOT_GRAPH_DEPTH    = 0
-DOT_TRANSPARENT        = NO
 DOT_MULTI_TARGETS      = NO
 GENERATE_LEGEND        = YES
 DOT_CLEANUP            = YES