diff --git a/yarn.lock b/yarn.lock
index 56bb171..3ac0332 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1518,16 +1518,7 @@ browserify-zlib@^0.2.0:
   dependencies:
     pako "~1.0.5"
 
-browserslist@^4.0.0:
-  version "4.5.3"
-  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.5.3.tgz#969495c410314bc89f14e748505e58be968080f1"
-  integrity sha512-Tx/Jtrmh6vFg24AelzLwCaCq1IUJiMDM1x/LPzqbmbktF8Zo7F9ONUpOWsFK6TtdON95mSMaQUWqi0ilc8xM6g==
-  dependencies:
-    caniuse-lite "^1.0.30000955"
-    electron-to-chromium "^1.3.122"
-    node-releases "^1.1.12"
-
-browserslist@^4.6.0, browserslist@^4.6.2, browserslist@^4.6.3, browserslist@^4.6.4:
+browserslist@^4.0.0, browserslist@^4.6.0, browserslist@^4.6.2, browserslist@^4.6.3, browserslist@^4.6.4:
   version "4.6.6"
   resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.6.6.tgz#6e4bf467cde520bc9dbdf3747dafa03531cec453"
   integrity sha512-D2Nk3W9JL9Fp/gIcWei8LrERCS+eXu9AM5cfXA8WEZ84lFks+ARnZ0q/R69m2SV3Wjma83QDDPxsNKXUwdIsyA==
@@ -1736,12 +1727,7 @@ caniuse-api@^3.0.0:
     lodash.memoize "^4.1.2"
     lodash.uniq "^4.5.0"
 
-caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000955:
-  version "1.0.30000955"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000955.tgz#360fdb9a1e41d6dd996130411334e44a39e4446d"
-  integrity sha512-6AwmIKgqCYfDWWadRkAuZSHMQP4Mmy96xAXEdRBlN/luQhlRYOKgwOlZ9plpCOsVbBuqbTmGqDK3JUM/nlr8CA==
-
-caniuse-lite@^1.0.30000980, caniuse-lite@^1.0.30000981, caniuse-lite@^1.0.30000984:
+caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000980, caniuse-lite@^1.0.30000981, caniuse-lite@^1.0.30000984:
   version "1.0.30000984"
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000984.tgz#dc96c3c469e9bcfc6ad5bdd24c77ec918ea76fe0"
   integrity sha512-n5tKOjMaZ1fksIpQbjERuqCyfgec/m9pferkFQbLmWtqLUdmt12hNhjSwsmPdqeiG2NkITOQhr1VYIwWSAceiA==
@@ -2816,11 +2802,6 @@ ee-first@1.1.1:
   resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
   integrity sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=
 
-electron-to-chromium@^1.3.122:
-  version "1.3.122"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.122.tgz#b32a0805f48557bd3c3b8104eadc7fa511b14a9a"
-  integrity sha512-3RKoIyCN4DhP2dsmleuFvpJAIDOseWH88wFYBzb22CSwoFDSWRc4UAMfrtc9h8nBdJjTNIN3rogChgOy6eFInw==
-
 electron-to-chromium@^1.3.191:
   version "1.3.192"
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.192.tgz#28721072385e48525a948f4297824ddb4bf1f75f"
@@ -5356,13 +5337,6 @@ node-pre-gyp@^0.10.0:
     semver "^5.3.0"
     tar "^4"
 
-node-releases@^1.1.12:
-  version "1.1.12"
-  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.1.12.tgz#1d6baf544316b5422fcd35efe18708370a4e7637"
-  integrity sha512-Y+AQ1xdjcgaEzpL65PBEF3fnl1FNKnDh9Zm+AUQLIlyyqtSc4u93jyMN4zrjMzdwKQ10RTr3tgY1x7qpsfF/xg==
-  dependencies:
-    semver "^5.3.0"
-
 node-releases@^1.1.25:
   version "1.1.25"
   resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.1.25.tgz#0c2d7dbc7fed30fbe02a9ee3007b8c90bf0133d3"
@@ -6679,16 +6653,7 @@ postcss-values-parser@^2.0.0, postcss-values-parser@^2.0.1:
     indexes-of "^1.0.1"
     uniq "^1.0.1"
 
-postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.14, postcss@^7.0.2, postcss@^7.0.5, postcss@^7.0.6:
-  version "7.0.14"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.14.tgz#4527ed6b1ca0d82c53ce5ec1a2041c2346bbd6e5"
-  integrity sha512-NsbD6XUUMZvBxtQAJuWDJeeC4QFsmWsfozWxCJPWf3M55K9iu2iMDaKqyoOdTJ1R4usBXuxlVFAIo8rZPQD4Bg==
-  dependencies:
-    chalk "^2.4.2"
-    source-map "^0.6.1"
-    supports-color "^6.1.0"
-
-postcss@^7.0.16, postcss@^7.0.17:
+postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.14, postcss@^7.0.16, postcss@^7.0.17, postcss@^7.0.2, postcss@^7.0.5, postcss@^7.0.6:
   version "7.0.17"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.17.tgz#4da1bdff5322d4a0acaab4d87f3e782436bad31f"
   integrity sha512-546ZowA+KZ3OasvQZHsbuEpysvwTZNGJv9EfyCQdsIDltPSWHAeTQ5fQy/Npi2ZDtLI3zs7Ps/p6wThErhm9fQ==