diff --git a/docs/Manifest.toml b/docs/Manifest.toml
index 2d858bb..644ac82 100644
--- a/docs/Manifest.toml
+++ b/docs/Manifest.toml
@@ -53,15 +53,15 @@ uuid = "8ba89e20-285c-5b6f-9357-94700520ee1b"
 
 [[DocStringExtensions]]
 deps = ["LibGit2", "Markdown", "Pkg", "Test"]
-git-tree-sha1 = "4d30e889c9f106a51ffa4791a88ffd4765bf20c3"
+git-tree-sha1 = "0513f1a8991e9d83255e0140aace0d0fc4486600"
 uuid = "ffbed154-4ef7-542d-bbb7-c09d3a79fcae"
-version = "0.7.0"
+version = "0.8.0"
 
 [[Documenter]]
-deps = ["Base64", "DocStringExtensions", "InteractiveUtils", "JSON", "LibGit2", "Logging", "Markdown", "REPL", "Unicode"]
-git-tree-sha1 = "bb727cddc81525c55b70b56c3691fbf244d7728f"
+deps = ["Base64", "DocStringExtensions", "InteractiveUtils", "JSON", "LibGit2", "Logging", "Markdown", "REPL", "Test", "Unicode"]
+git-tree-sha1 = "4a84478277020abfff208cde31ba1aa68a5bc572"
 uuid = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
-version = "0.22.5"
+version = "0.23.0"
 
 [[FFMPEG]]
 deps = ["BinaryProvider", "Libdl"]
@@ -96,10 +96,10 @@ uuid = "c8e1da08-722c-5040-9ed9-7db0dc04731e"
 version = "1.2.0"
 
 [[JSON]]
-deps = ["Dates", "Distributed", "Mmap", "Sockets", "Test", "Unicode"]
-git-tree-sha1 = "1f7a25b53ec67f5e9422f1f551ee216503f4a0fa"
+deps = ["Dates", "Mmap", "Parsers", "Unicode"]
+git-tree-sha1 = "b34d7cef7b337321e97d22242c3c2b91f476748e"
 uuid = "682c06a0-de6a-54ab-a142-c8b1cf79cde6"
-version = "0.20.0"
+version = "0.21.0"
 
 [[LibGit2]]
 uuid = "76f85450-5226-5b5a-8eaa-529ad045b433"
@@ -151,6 +151,12 @@ git-tree-sha1 = "c4c13474d23c60d20a67b217f1d7f22a40edf8f1"
 uuid = "bac558e1-5e72-5ebc-8fee-abe8a469f55d"
 version = "1.1.0"
 
+[[Parsers]]
+deps = ["Dates", "Test"]
+git-tree-sha1 = "db2b35dedab3c0e46dc15996d170af07a5ab91c9"
+uuid = "69de0a69-1ddd-5017-9359-2bf0b02dc9f0"
+version = "0.3.6"
+
 [[Pkg]]
 deps = ["Dates", "LibGit2", "Markdown", "Printf", "REPL", "Random", "SHA", "UUIDs"]
 uuid = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
diff --git a/docs/make.jl b/docs/make.jl
index 4bae92d..70dc195 100644
--- a/docs/make.jl
+++ b/docs/make.jl
@@ -33,7 +33,11 @@ end
 
 
 makedocs(
-    format = Documenter.HTML(prettyurls = get(ENV, "CI", nothing) == "true"),
+    format = Documenter.HTML(
+        prettyurls = get(ENV, "CI", nothing) == "true",
+        assets = ["assets/custom.css"],
+
+    ),
     modules = [Literate],
     sitename = "Literate.jl",
     pages = Any[
diff --git a/docs/src/assets/custom.css b/docs/src/assets/custom.css
new file mode 100644
index 0000000..f59c104
--- /dev/null
+++ b/docs/src/assets/custom.css
@@ -0,0 +1,3 @@
+nav.toc .logo {
+    max-height: 12em;
+}