diff --git a/package-lock.json b/package-lock.json
index d1bec92..b3c8764 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
         "react": "^17.0.2",
         "react-dom": "^17.0.2",
         "react-github-corner": "^2.5.0",
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@@ -1960,8 +1960,8 @@
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-      "integrity": "sha1-KT/J2aeji5qtjpM35QFDZsOwmsA=",
+      "resolved": "https://registry.npmjs.org/@emotion/cache/-/cache-11.4.0.tgz",
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@@ -1977,8 +1977,8 @@
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-      "integrity": "sha1-Ke9r4elG+0c5+XB974YPMW9mjN4=",
+      "resolved": "https://registry.npmjs.org/@emotion/is-prop-valid/-/is-prop-valid-1.1.0.tgz",
+      "integrity": "sha512-9RkilvXAufQHsSsjQ3PIzSns+pxuX4EW8EbGeSPjZMHuMx6z/MOzb9LpqNieQX4F3mre3NWS2+X3JNRHTQztUQ==",
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@@ -1990,8 +1990,8 @@
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-      "resolved": "https://registry.nlark.com/@emotion/react/download/@emotion/react-11.4.0.tgz",
-      "integrity": "sha1-JGWtewc6aRQJuI39ltwXCX3a2bc=",
+      "resolved": "https://registry.npmjs.org/@emotion/react/-/react-11.4.0.tgz",
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@@ -2000,6 +2000,18 @@
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+      },
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+        "react": ">=16.8.0"
+      },
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+        "@types/react": {
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+        }
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@@ -2016,19 +2028,32 @@
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-      "integrity": "sha1-JF9Uq7At/YIybihonzTCeqmyppg="
+      "resolved": "https://registry.npmjs.org/@emotion/sheet/-/sheet-1.0.1.tgz",
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-      "resolved": "https://registry.npm.taobao.org/@emotion/styled/download/@emotion/styled-11.3.0.tgz?cache=0&sync_timestamp=1617895700338&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2F%40emotion%2Fstyled%2Fdownload%2F%40emotion%2Fstyled-11.3.0.tgz",
-      "integrity": "sha1-1j7gBTfftv9hLjGw6RXFz5klogc=",
+      "resolved": "https://registry.npmjs.org/@emotion/styled/-/styled-11.3.0.tgz",
+      "integrity": "sha512-fUoLcN3BfMiLlRhJ8CuPUMEyKkLEoM+n+UyAbnqGEsCd5IzKQ7VQFLtzpJOaCD2/VR2+1hXQTnSZXVJeiTNltA==",
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         "@emotion/utils": "^1.0.0"
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+        "@emotion/react": "^11.0.0-rc.0",
+        "react": ">=16.8.0"
+      },
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+          "optional": true
+        },
+        "@types/react": {
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+        }
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@@ -2043,8 +2068,8 @@
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-      "resolved": "https://registry.npm.taobao.org/@emotion/weak-memoize/download/@emotion/weak-memoize-0.2.5.tgz",
-      "integrity": "sha1-ju2YLi7m9/TkTCU+EpYpgHke/UY="
+      "resolved": "https://registry.npmjs.org/@emotion/weak-memoize/-/weak-memoize-0.2.5.tgz",
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@@ -2936,8 +2961,15 @@
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-      "resolved": "https://registry.npm.taobao.org/@mdx-js/react/download/@mdx-js/react-1.6.22.tgz",
-      "integrity": "sha1-rgm0dE/dx0cU7p+dbxembnfENXM="
+      "resolved": "https://registry.npmjs.org/@mdx-js/react/-/react-1.6.22.tgz",
+      "integrity": "sha512-TDoPum4SHdfPiGSAaRBw7ECyI8VaHpK8GJugbJIJuqyh6kzw9ZLJZW3HGL3NNrJGxcAixUvqROm+YuQOo5eXtg==",
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      },
+      "peerDependencies": {
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+      }
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     "node_modules/@mdx-js/util": {
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@@ -3772,85 +3804,85 @@
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-      "integrity": "sha1-dcY9BrSXqzcrcBhsC/YI1ihHoro=",
+      "resolved": "https://registry.npmjs.org/@styled-system/background/-/background-5.1.2.tgz",
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-      "resolved": "https://registry.nlark.com/@styled-system/border/download/@styled-system/border-5.1.5.tgz",
-      "integrity": "sha1-BJPUMy0rWbdLsNV9CMc+tVV2G6Y=",
+      "resolved": "https://registry.npmjs.org/@styled-system/border/-/border-5.1.5.tgz",
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-      "integrity": "sha1-uNa0r0gfqr5KvKGmD42qTMwtn0M=",
+      "resolved": "https://registry.npmjs.org/@styled-system/color/-/color-5.1.2.tgz",
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-      "integrity": "sha1-BGDV8/+WL6ZJ6hKO9Y2VhPQDu7w="
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-      "integrity": "sha1-VpYSZlZoNvV6JNjo4zzgwa21ndM=",
+      "resolved": "https://registry.npmjs.org/@styled-system/position/-/position-5.1.2.tgz",
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-      "integrity": "sha1-vt2rKNfeA80Bd6h6xO07O22YMf0=",
+      "resolved": "https://registry.npmjs.org/@styled-system/shadow/-/shadow-5.1.2.tgz",
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-      "resolved": "https://registry.nlark.com/@styled-system/should-forward-prop/download/@styled-system/should-forward-prop-5.1.5.tgz",
-      "integrity": "sha1-w5IAjGrhSm63i/GTJzNZT39+XHY=",
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@@ -3859,37 +3891,37 @@
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-      "integrity": "sha1-2yixxDaKJZtgqXMR1qlS1P0BrBo=",
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-    "node_modules/@styled-system/should-forward-prop/node_modules/@emotion/is-prop-valid/node_modules/@emotion/memoize": {
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-      "resolved": "https://registry.npm.taobao.org/@emotion/memoize/download/@emotion/memoize-0.7.4.tgz",
-      "integrity": "sha1-Gb8PWvGRSREcQNmLsM+CEZ9dnus="
+      "resolved": "https://registry.npmjs.org/@emotion/memoize/-/memoize-0.7.4.tgz",
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-      "integrity": "sha1-Zft5HGfVDNKQDSNFg+qs3KjBNPc=",
+      "resolved": "https://registry.npmjs.org/@styled-system/typography/-/typography-5.1.2.tgz",
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-      "integrity": "sha1-hEbYqtBq86THI9cXhB3y2+Td6v0=",
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@@ -3907,69 +3939,84 @@
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-        "@theme-ui/css": "0.7.0",
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-      "integrity": "sha1-7OCsr3HWLClpwuxZ/v9CpLGoW0U=",
+      "resolved": "https://registry.npmjs.org/hoist-non-react-statics/-/hoist-non-react-statics-3.3.2.tgz",
+      "integrity": "sha512-/gGivxi8JPKWNm/W0jSmzcMPpfpPLc3dY/6GxhX2hQ9iGj3aDfklV4ET7NjKpSinLpJ5vafa9iiGIEZg10SfBw==",
       "requires": {
         "react-is": "^16.7.0"
       }
@@ -51598,8 +51855,8 @@
     },
     "styled-system": {
       "version": "5.1.5",
-      "resolved": "https://registry.nlark.com/styled-system/download/styled-system-5.1.5.tgz",
-      "integrity": "sha1-42LXPh27VkGi/XSabroSY9yFB14=",
+      "resolved": "https://registry.npmjs.org/styled-system/-/styled-system-5.1.5.tgz",
+      "integrity": "sha512-7VoD0o2R3RKzOzPK0jYrVnS8iJdfkKsQJNiLRDjikOpQVqQHns/DXWaPZOH4tIKkhAT7I6wIsy9FWTWh2X3q+A==",
       "requires": {
         "@styled-system/background": "^5.1.2",
         "@styled-system/border": "^5.1.5",
@@ -51976,16 +52233,16 @@
       "integrity": "sha1-f17oI66AUgfACvLfSoTsP8+lcLQ="
     },
     "theme-ui": {
-      "version": "0.7.0",
-      "resolved": "https://registry.nlark.com/theme-ui/download/theme-ui-0.7.0.tgz",
-      "integrity": "sha1-AJymA3bdiTfRttNQcEo4jeaUKJw=",
-      "requires": {
-        "@theme-ui/color-modes": "0.7.0",
-        "@theme-ui/components": "0.7.0",
-        "@theme-ui/core": "0.7.0",
-        "@theme-ui/css": "0.7.0",
-        "@theme-ui/mdx": "0.7.0",
-        "@theme-ui/theme-provider": "0.7.0"
+      "version": "0.9.1",
+      "resolved": "https://registry.npmjs.org/theme-ui/-/theme-ui-0.9.1.tgz",
+      "integrity": "sha512-4tRdMOb0YJU4PMKtPABBkccdq0jUBPIdgURB868WgmxLBvMx+pLPTPlwGM+Yuf4gpIbx+4O8vNREtGGy11z30w==",
+      "requires": {
+        "@theme-ui/color-modes": "0.9.1",
+        "@theme-ui/components": "0.9.1",
+        "@theme-ui/core": "0.9.1",
+        "@theme-ui/css": "0.9.1",
+        "@theme-ui/mdx": "0.9.1",
+        "@theme-ui/theme-provider": "0.9.1"
       }
     },
     "through": {
diff --git a/package.json b/package.json
index f9c6e24..b8788cb 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "react": "^17.0.2",
     "react-dom": "^17.0.2",
     "react-github-corner": "^2.5.0",
-    "theme-ui": "^0.7.0"
+    "theme-ui": "^0.9.0"
   },
   "devDependencies": {
     "@commitlint/cli": "^12.1.4",