diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..d8da1e4
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "doxygen-awesome-css"]
+	path = doxygen-awesome-css
+	url = https://github.com/jothepro/doxygen-awesome-css.git
diff --git a/Doxyfile b/Doxyfile
index 6e2f24e..a9a6525 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -1409,7 +1409,9 @@ HTML_STYLESHEET        =
 # documentation.
 # This tag requires that the tag GENERATE_HTML is set to YES.
 
-HTML_EXTRA_STYLESHEET  =
+HTML_EXTRA_STYLESHEET  = doxygen-awesome-css/doxygen-awesome.css \
+                        doxygen-awesome-css/doxygen-awesome-sidebar-only.css \
+                        docs/css/doxygen-extra.css
 
 # The HTML_EXTRA_FILES tag can be used to specify one or more extra images or
 # other source files which should be copied to the HTML output directory. Note
diff --git a/docs/css/doxygen-extra.css b/docs/css/doxygen-extra.css
new file mode 100644
index 0000000..62ecf31
--- /dev/null
+++ b/docs/css/doxygen-extra.css
@@ -0,0 +1,3 @@
+#MSearchBox {
+  width: 100%;
+}
\ No newline at end of file
diff --git a/doxygen-awesome-css b/doxygen-awesome-css
new file mode 160000
index 0000000..00c7339
--- /dev/null
+++ b/doxygen-awesome-css
@@ -0,0 +1 @@
+Subproject commit 00c73395317fa2cc80bd2dbe6b5a568939b81f3e