diff --git a/pages/_app.tsx b/pages/_app.tsx
index b69aeb2e..dbd8ca21 100644
--- a/pages/_app.tsx
+++ b/pages/_app.tsx
@@ -8,6 +8,7 @@ import App from "next/app"
 import Head from "next/head"
 import { YMetrika } from "src/components/YMetrika"
 import { GAnalytics } from "src/components/GAnalytics"
+import { Theme } from "@/ui/theme/Theme"
 
 export default class MyApp extends App {
     render() {
@@ -41,7 +42,9 @@ export default class MyApp extends App {
                     <YMetrika account={24027460} />
                     <GAnalytics account={"UA-60209057-1"} />
                 </Head>
-                <Component {...pageProps} />
+                <Theme>
+                    <Component {...pageProps} />
+                </Theme>
             </>
         )
     }
diff --git a/src/components/App/index.tsx b/src/components/App/index.tsx
index 47ff5366..4e0a1cd5 100644
--- a/src/components/App/index.tsx
+++ b/src/components/App/index.tsx
@@ -10,6 +10,9 @@ import { useMobile } from "src/hooks/useMobile"
 import { Gosuslugi } from "../Gosuslugi"
 import { Navigation } from "@/components/Navigation"
 import { Box } from "@/ui/Box"
+import { Button } from "@/ui/Button"
+import { EyeOpenIcon } from "@radix-ui/react-icons"
+import { useTheme } from "@/ui/theme/useTheme"
 
 export type AppProps = {
     showAuthor?: boolean
@@ -25,6 +28,7 @@ export const App: React.FC<AppProps> = ({ showAuthor = false, menu, ...props })
     const blockStyle = {
         justifyContent: "center",
     }
+    const { theme, setTheme } = useTheme()
 
     return (
         <ConfigContext.Provider value={{
@@ -61,6 +65,12 @@ export const App: React.FC<AppProps> = ({ showAuthor = false, menu, ...props })
                         }}>
                             <Gosuslugi />
                         </div>
+
+                        <Button theme="icon" size="default" onClick={() => {
+                            setTheme(theme === "default" ? "contrast" : "default")
+                        }}>
+                            <EyeOpenIcon width={24} height={24} />
+                        </Button>
                     </Footer>
                 )}
             >
diff --git a/src/components/Card/styles.module.css b/src/components/Card/styles.module.css
index 1ed4a9c5..1a7dd3fa 100644
--- a/src/components/Card/styles.module.css
+++ b/src/components/Card/styles.module.css
@@ -5,6 +5,8 @@
     box-shadow: var(--shadow);
     overflow: hidden;
     transition: box-shadow 150ms;
+
+    border: var(--border);
 }
 
 .card:hover {
@@ -52,8 +54,8 @@
 
     border-radius: var(--radius) var(--radius) 0 0;
     width: 100%;
-    height: var(--radius);
-    top: calc(var(--radius) * -1);
+    height: var(--size-m);
+    top: calc(var(--size-m) * -1);
     left: 0;
 }
 
@@ -68,10 +70,9 @@
     position: absolute;
 
     --offset: var(--size-m);
-    --r: var(--size-s);
     left: var(--offset);
     right: var(--offset);
     bottom: var(--offset);
 
-    border-radius: var(--radius) var(--radius) var(--r) var(--r);
+    border-radius: var(--radius-small);
 }
diff --git a/src/components/Footer/index.tsx b/src/components/Footer/index.tsx
index 8a15b505..8147077c 100644
--- a/src/components/Footer/index.tsx
+++ b/src/components/Footer/index.tsx
@@ -6,6 +6,7 @@ import { Author } from "./Author"
 import { Spacer } from "../Spacer"
 import { Contacts } from "../Contacts"
 import { Box } from "@/ui/Box"
+import { Panel } from "@/ui/Panel"
 
 export type FooterProps = {
     showAuthor: boolean
@@ -14,10 +15,18 @@ export type FooterProps = {
 
 export const Footer: React.FC<FooterProps> = ({ showAuthor, children }) => (
     <footer className={cx(s.footer, "opposite")}>
-        <Box vertical align={false} style={{
-            marginBottom: "var(--size-l)",
-        }}>
-            <Contacts />
+        <Box>
+            <Box vertical align={false} style={{
+                marginBottom: "var(--size-l)",
+            }}>
+                <Contacts />
+            </Box>
+
+            <Panel style={{
+                marginBottom: "var(--size-l)",
+            }}>
+                <Contacts />
+            </Panel>
         </Box>
 
         {children}
diff --git a/src/components/Menu/styles.module.css b/src/components/Menu/styles.module.css
index e60ccf20..448076a1 100644
--- a/src/components/Menu/styles.module.css
+++ b/src/components/Menu/styles.module.css
@@ -21,7 +21,7 @@
 .menuItem {
     user-select: none;
     background-color: var(--color-back-main);
-    border-radius: var(--size-s);
+    border-radius: var(--radius-small);
     transition: box-shadow 200ms ease-in, background-color 200ms ease-in;
     padding: var(--size-s) var(--size-s);
 }
@@ -32,6 +32,12 @@
 
 .menuItem.active:hover {
     box-shadow: var(--shadow);
+    color: var(--color-hover);
+    background-color: var(--color-hover-back);
+}
+
+.menuItem.active:hover a {
+    color: var(--color-hover);
 }
 
 .menuItem.current {
diff --git a/src/components/Navigation/index.tsx b/src/components/Navigation/index.tsx
index d5be333c..a7b3a2df 100644
--- a/src/components/Navigation/index.tsx
+++ b/src/components/Navigation/index.tsx
@@ -7,6 +7,8 @@ import { ConfigContext } from "src/context/ConfigContext"
 import { Box } from "@/ui/Box"
 import { Spacer } from "../Spacer"
 import { useToggle } from "react-use"
+import { Button } from "@/ui/Button"
+import { EyeOpenIcon } from "@radix-ui/react-icons"
 
 export type NavigationProps = {
     style?: React.CSSProperties
diff --git a/src/components/Wrapper/index.tsx b/src/components/Wrapper/index.tsx
index cc5c99bb..753ac961 100644
--- a/src/components/Wrapper/index.tsx
+++ b/src/components/Wrapper/index.tsx
@@ -1,6 +1,7 @@
 import s from "./wrapper.module.css"
 
 import cx from "classnames"
+import { useTheme } from "@/ui/theme/useTheme"
 
 export type WrapperProps = {
     header: React.ReactNode
@@ -10,14 +11,18 @@ export type WrapperProps = {
     children?: React.ReactNode
 }
 
-export const Wrapper: React.FC<WrapperProps> = props => (
-    <div className={cx(s.container, "theme-default")} style={props.style}>
-        {props.header}
+export const Wrapper: React.FC<WrapperProps> = props => {
+    const { theme } = useTheme()
 
-        <main className={s.main} style={props.mainStyle}>
-            {props.children}
-        </main>
+    return (
+        <div className={cx(s.container, `theme-${theme}`)} style={props.style}>
+            {props.header}
 
-        {props.footer}
-    </div>
-)
+            <main className={s.main} style={props.mainStyle}>
+                {props.children}
+            </main>
+
+            {props.footer}
+        </div>
+    )
+}
diff --git a/src/style/style.css b/src/style/style.css
index 12a2a369..d38ba486 100644
--- a/src/style/style.css
+++ b/src/style/style.css
@@ -34,6 +34,7 @@
     --color-back-opposite: hsl(0, 0%, 15%);
 
     --color-shadow: rgba(27, 51, 88, 0.25);
+    --color-hover: none;
 
     /* SIZE */
     --size-xs: 0.35rem;
@@ -44,6 +45,7 @@
 
     /* EFFECTS */
     --radius: 16px;
+    --radius-small: 12px;
     --shadow:
         0 2px 4px rgba(27, 51, 88, 0.2),
         0 4px 8px -8px rgba(0, 0, 0, 0.2),
@@ -51,6 +53,7 @@
     --shadow-active:
         0 12px 24px -8px rgba(27, 51, 88, 0.25),
         0 8px 16px -8px rgba(0, 0, 0, 0.3);
+    --border: none;
 
     /* SPECIAL */
     --article-line-height: 1.5em;
@@ -191,3 +194,45 @@ h3 {
         --shadow-active: none;
     }
 }
+
+/* CONTRAST THEME */
+.theme-contrast {
+    /* FONTS */
+    --title-font: 'Roboto', Helvetica, sans-serif;
+    --text-font: 'Roboto', Helvetica, sans-serif;
+
+    /* TEXT COLOR */
+    --color-text: black;
+    --color-text-second: black;
+    --color-text-opposite: white;
+
+    --color-back-main: white;
+    --color-back: white;
+    --color-back-active: hsl(240, 10%, 20%);
+    /* --color-back-opposite: hsl(240, 10%, 80%); */
+    --color-back-opposite: black;
+    --color-link: hsl(240, 10%, 40%);
+    --color-link-opposite: hsl(240, 10%, 60%);
+
+    --color-hover: white;
+    --color-hover-back: black;
+
+    /* EFFECTS */
+    /* --radius: 0px; */
+    --shadow: none;
+    --shadow-active: none;
+
+    /* FONTS */
+    --font-size-default: 14pt;
+    --font-size-accent: 24pt;
+    --font-size-second: 12pt;
+
+    --font-size-h1: 5rem;
+    --font-size-h2: 3rem;
+    --font-size-h3: 1.5rem;
+
+    /* OTHER */
+    --radius: 0;
+    --radius-small: 0;
+    --border: 5px solid var(--color-back-opposite);
+}
diff --git a/src/ui/Box/index.tsx b/src/ui/Box/index.tsx
index 2243fdb5..752c85fa 100644
--- a/src/ui/Box/index.tsx
+++ b/src/ui/Box/index.tsx
@@ -8,6 +8,7 @@ const cx = classnames.bind(s)
 export type BoxProps = {
     as?: keyof HTMLElementTagNameMap
     children?: React.ReactNode
+    className?: string
     style?: React.CSSProperties
     wrap?: boolean
     align?: boolean
@@ -22,10 +23,11 @@ export const Box: React.FC<BoxProps> = ({
     center = false,
     align = true,
     style,
+    className,
     ...props
 }) => {
     const newProps = {
-        className: cx(s.box, { vertical, align, center, wrap }),
+        className: cx(s.box, className, { vertical, align, center, wrap }),
         style,
     }
 
diff --git a/src/ui/Panel/index.tsx b/src/ui/Panel/index.tsx
new file mode 100644
index 00000000..e7bff785
--- /dev/null
+++ b/src/ui/Panel/index.tsx
@@ -0,0 +1,19 @@
+import s from "./panel.module.css"
+
+import { Box } from "../Box"
+
+export type PanelProps = {
+    children?: React.ReactNode
+    style?: React.CSSProperties
+}
+
+export const Panel: React.FC<PanelProps> = ({
+    style,
+    children,
+}) => {
+    return (
+        <Box vertical align={false} className={`${s.panel} ${s.default}`} style={style}>
+            {children}
+        </Box>
+    )
+}
diff --git a/src/ui/Panel/panel.module.css b/src/ui/Panel/panel.module.css
new file mode 100644
index 00000000..4d94a63a
--- /dev/null
+++ b/src/ui/Panel/panel.module.css
@@ -0,0 +1,8 @@
+.panel {
+    padding: var(--size-m);
+    border-radius: var(--radius);
+}
+
+.default {
+    background-color: white;
+}
diff --git a/src/ui/theme/Theme.tsx b/src/ui/theme/Theme.tsx
new file mode 100644
index 00000000..8c398993
--- /dev/null
+++ b/src/ui/theme/Theme.tsx
@@ -0,0 +1,17 @@
+import { useState } from "react"
+import { ThemeContext } from "./ThemeContext"
+import { ThemeType } from "./types"
+
+export type ThemeProps = {
+    children?: React.ReactNode
+}
+
+export const Theme: React.FC<ThemeProps> = ({ children }) => {
+    const [theme, setTheme] = useState<ThemeType>("default")
+
+    return (
+        <ThemeContext.Provider value={[theme, setTheme]}>
+            {children}
+        </ThemeContext.Provider>
+    )
+}
diff --git a/src/ui/theme/ThemeContext.ts b/src/ui/theme/ThemeContext.ts
new file mode 100644
index 00000000..fc68fc1e
--- /dev/null
+++ b/src/ui/theme/ThemeContext.ts
@@ -0,0 +1,4 @@
+import { createContext } from "react"
+import { SetTheme, ThemeType } from "./types"
+
+export const ThemeContext = createContext<[ThemeType, SetTheme]>("default")
diff --git a/src/ui/theme/types.ts b/src/ui/theme/types.ts
new file mode 100644
index 00000000..8baed57c
--- /dev/null
+++ b/src/ui/theme/types.ts
@@ -0,0 +1,2 @@
+export type ThemeType = "default" | "contrast"
+export type SetTheme = (theme: ThemeType) => void
diff --git a/src/ui/theme/useTheme.ts b/src/ui/theme/useTheme.ts
new file mode 100644
index 00000000..b3fb9232
--- /dev/null
+++ b/src/ui/theme/useTheme.ts
@@ -0,0 +1,15 @@
+import { useContext } from "react"
+import { ThemeContext } from "./ThemeContext"
+import { SetTheme, ThemeType } from "./types"
+
+export type UseThemeResult = {
+    theme: ThemeType
+    setTheme: SetTheme
+    // toggleTheme:
+}
+
+export function useTheme(): UseThemeResult {
+    const [theme, setTheme] = useContext(ThemeContext)
+
+    return { theme, setTheme }
+}