diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index 298420b..99ef50c
--- a/package.json
+++ b/package.json
@@ -82,7 +82,7 @@
     "moment": "^2.22.2",
     "prettier": "^1.18.2",
     "react-big-calendar": "^0.22.0",
-    "style-loader": "^0.21.0"
+    "style-loader": "^0.23.1"
   },
   "browserslist": {
     "production": [
diff --git a/yarn.lock b/yarn.lock
old mode 100755
new mode 100644
index 3a936c9..855496a
--- a/yarn.lock
+++ b/yarn.lock
@@ -7962,22 +7962,6 @@ node-notifier@^5.4.2:
     shellwords "^0.1.1"
     which "^1.3.0"
 
-node-pre-gyp@*:
-  version "0.14.0"
-  resolved "https://registry.yarnpkg.com/node-pre-gyp/-/node-pre-gyp-0.14.0.tgz#9a0596533b877289bcad4e143982ca3d904ddc83"
-  integrity sha512-+CvDC7ZttU/sSt9rFjix/P05iS43qHCOOGzcr3Ry99bXG7VX953+vFyEuph/tfqoYu8dttBkE86JSKBO2OzcxA==
-  dependencies:
-    detect-libc "^1.0.2"
-    mkdirp "^0.5.1"
-    needle "^2.2.1"
-    nopt "^4.0.1"
-    npm-packlist "^1.1.6"
-    npmlog "^4.0.2"
-    rc "^1.2.7"
-    rimraf "^2.6.1"
-    semver "^5.3.0"
-    tar "^4.4.2"
-
 node-pre-gyp@^0.12.0:
   version "0.12.0"
   resolved "https://registry.yarnpkg.com/node-pre-gyp/-/node-pre-gyp-0.12.0.tgz#39ba4bb1439da030295f899e3b520b7785766149"
@@ -10791,14 +10775,6 @@ scheduler@^0.18.0:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
 
-schema-utils@^0.4.5:
-  version "0.4.7"
-  resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-0.4.7.tgz#ba74f597d2be2ea880131746ee17d0a093c68187"
-  integrity sha512-v/iwU6wvwGK8HbU9yi3/nhGzP0yGSuhQMzL6ySiec1FSrZZDkhm4noOSWzrNFo/jEc+SJY6jRTwuwbSXJPDUnQ==
-  dependencies:
-    ajv "^6.1.0"
-    ajv-keywords "^3.1.0"
-
 schema-utils@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-1.0.0.tgz#0b79a93204d7b600d4b2850d1f66c2a34951c770"
@@ -11453,13 +11429,13 @@ style-loader@1.0.0:
     loader-utils "^1.2.3"
     schema-utils "^2.0.1"
 
-style-loader@^0.21.0:
-  version "0.21.0"
-  resolved "https://registry.yarnpkg.com/style-loader/-/style-loader-0.21.0.tgz#68c52e5eb2afc9ca92b6274be277ee59aea3a852"
-  integrity sha512-T+UNsAcl3Yg+BsPKs1vd22Fr8sVT+CJMtzqc6LEw9bbJZb43lm9GoeIfUcDEefBSWC0BhYbcdupV1GtI4DGzxg==
+style-loader@^0.23.1:
+  version "0.23.1"
+  resolved "https://registry.yarnpkg.com/style-loader/-/style-loader-0.23.1.tgz#cb9154606f3e771ab6c4ab637026a1049174d925"
+  integrity sha512-XK+uv9kWwhZMZ1y7mysB+zoihsEj4wneFWAS5qoiLwzW0WzSqMrrsIy+a3zkQJq0ipFtBpX5W3MqyRIBF/WFGg==
   dependencies:
     loader-utils "^1.1.0"
-    schema-utils "^0.4.5"
+    schema-utils "^1.0.0"
 
 styled-components@^3.3.3:
   version "3.4.10"
@@ -11575,7 +11551,7 @@ tapable@^1.0.0, tapable@^1.1.0, tapable@^1.1.3:
   resolved "https://registry.yarnpkg.com/tapable/-/tapable-1.1.3.tgz#a1fccc06b58db61fd7a45da2da44f5f3a3e67ba2"
   integrity sha512-4WK/bYZmj8xLr+HUCODHGF1ZFzsYffasLUgEiMBY4fgtltdO6B4WJtlSbPaDTLpYTcGVwM2qLnFTICEcNxs3kA==
 
-tar@^4, tar@^4.4.2:
+tar@^4:
   version "4.4.13"
   resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.13.tgz#43b364bc52888d555298637b10d60790254ab525"
   integrity sha512-w2VwSrBoHa5BsSyH+KxEqeQBAllHhccyMFVHtGtdMpF4W7IRWfZjFiQceJPChOeTsSDVUpER2T8FA93pr0L+QA==