Added some improvements

src/common/MainHeader.js

@@ -0,0 +1,16 @@
+import React from 'react';
+import './MainHeader.scss';
+import {Navbar, NavbarBrand} from 'reactstrap';
+import shlinkLogo from './shlink-logo-white.png';
+
+export default class MainHeader extends React.Component {
+    render() {
+        return (
+            <Navbar light fixed="top" className="main-header">
+                <NavbarBrand href="https://shlink.io" className="mr-auto">
+                    <img src={shlinkLogo} alt="Shlink" className="main-header__brand-logo" /> Shlink
+                </NavbarBrand>
+            </Navbar>
+        );
+    }
+}

src/common/MainHeader.scss

@@ -0,0 +1,15 @@
+@import "../utils/base";
+
+.main-header {
+    background-color: $mainColor;
+    color: white;
+
+    .navbar-brand {
+        color: inherit !important;
+    }
+}
+
+.main-header__brand-logo {
+    width: 26px;
+    margin-right: 5px;
+}