diff --git a/CHANGELOG.md b/CHANGELOG.md
index 647554f..95d8bdc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@ All notable changes to this project will be documented in this file.
 
 This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+[0.3.0]: https://github.com/AivGitHub/koldakov/releases/tag/v0.3.0
 [0.2.0]: https://github.com/AivGitHub/koldakov/releases/tag/v0.2.0
 [0.1.0]: https://github.com/AivGitHub/koldakov/releases/tag/v0.1.0
 [0.0.6]: https://github.com/AivGitHub/koldakov/releases/tag/v0.0.6
@@ -13,6 +14,13 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 [0.0.2]: https://github.com/AivGitHub/koldakov/releases/tag/v0.0.2
 [0.0.1]: https://github.com/AivGitHub/koldakov/releases/tag/v0.0.1
 
+## [0.3.0] - 2023-07-15
+
+### Added
+
+- Fix navbar to top.
+- Add background color to navbar.
+
 ## [0.2.0] - 2023-07-12
 
 ### Added
diff --git a/src/components/NavbarHeader.tsx b/src/components/NavbarHeader.tsx
index dec447f..aed2b4d 100644
--- a/src/components/NavbarHeader.tsx
+++ b/src/components/NavbarHeader.tsx
@@ -9,6 +9,7 @@ export const NavbarHeader = () => {
   return(
     <Navbar
       sticky="top"
+      className="bg-body-tertiary"
     >
       <Container>
         <Navbar.Brand