diff --git a/docs-en/chapter_hashing/index.md b/docs-en/chapter_hashing/index.md
index 5daf4c5ba..324a36a3a 100644
--- a/docs-en/chapter_hashing/index.md
+++ b/docs-en/chapter_hashing/index.md
@@ -13,9 +13,9 @@ icon: material/table-search
 
 !!! abstract
 
-    In the world of computing, a hash table is like a wise librarian.
+    In the world of computing, a hash table is akin to an intelligent librarian.
     
-    He knows how to calculate index numbers, allowing it to quickly locate the target book.
+    It understands how to compute index numbers, enabling swift retrieval of the desired book.
 
 ## Chapter Contents
 
diff --git a/docs/assets/images/logo.svg b/overrides/assets/images/logo.svg
similarity index 100%
rename from docs/assets/images/logo.svg
rename to overrides/assets/images/logo.svg
diff --git a/overrides/stylesheets/extra.css b/overrides/stylesheets/extra.css
index 262c148d2..2a3344b4f 100644
--- a/overrides/stylesheets/extra.css
+++ b/overrides/stylesheets/extra.css
@@ -8,6 +8,9 @@
   --md-default-fg-color: #1d1d20;
   --md-default-bg-color: #ffffff;
 
+  --md-body-bg-color: #22272e;
+  --md-header-bg-color: rgba(255, 255, 255, 0.6);
+
   --md-code-fg-color: #1d1d20;
   --md-code-bg-color: #f5f5f5;
 
@@ -32,6 +35,9 @@
   --md-default-fg-color: #adbac7;
   --md-default-bg-color: #22272e;
 
+  --md-body-bg-color: #22272e;
+  --md-header-bg-color: rgba(34, 39, 46, 0.8);
+
   --md-code-fg-color: #adbac7;
   --md-code-bg-color: #1d2126;
 
@@ -42,7 +48,7 @@
   --md-footer-fg-color: #adbac7;
 
   --md-typeset-color: #adbac7;
-  --md-typeset-a-color: #52bbb1 !important;
+  --md-typeset-a-color: #52bbb1;
 
   --md-typeset-btn-color: #52bbb1;
   --md-typeset-btn-hover-color: #55aea6;
@@ -50,6 +56,22 @@
   --md-admonition-pythontutor-color: #30363f;
 }
 
+[data-md-color-scheme="slate"][data-md-color-primary="black"],
+[data-md-color-scheme="slate"][data-md-color-primary="white"] {
+  --md-typeset-a-color: #52bbb1;
+}
+
+[data-md-color-primary="black"] .md-header {
+  background-color: var(--md-header-bg-color);
+}
+
+.md-header {
+  box-shadow: none;
+  transition: none;
+  backdrop-filter: saturate(180%) blur(20px); /* Gaussian blur */
+  background-color: var(--md-header-bg-color);
+}
+
 /* https://github.com/squidfunk/mkdocs-material/issues/4832#issuecomment-1374891676 */
 .md-nav__link[for] {
   color: var(--md-default-fg-color) !important;
@@ -400,7 +422,7 @@ a:hover .hero-caption {
   display: flex;
   flex-wrap: wrap;
   justify-content: center;
-  max-width: 720px;
+  max-width: 40em;
   margin: 1em auto;
 }
 
@@ -433,6 +455,17 @@ a:hover .hero-caption {
     height: 33vw;
   }
 
+  .contrib-image {
+    width: 100%;
+  }
+}
+
+/* Hide table of contents */
+@media screen and (max-width: 60em) {
+  .home-div {
+    font-size: 0.75rem;
+  }
+
   .intro-container {
     flex-direction: column;
   }
@@ -454,25 +487,14 @@ a:hover .hero-caption {
     margin-bottom: 1em;
   }
 
-  .contrib-image {
-    width: 100%;
+  .text-button {
+    margin: 0.7em auto;
   }
 
   .profile-div {
-    max-width: 500px;
+    max-width: 30em;
   }
   .profile-cell {
     flex-basis: 25%;
   }
 }
-
-/* Hide table of contents */
-@media screen and (max-width: 60em) {
-  .home-div {
-    font-size: 0.75rem;
-  }
-
-  .text-button {
-    margin: 0.7em auto;
-  }
-}