diff --git a/package-lock.json b/package-lock.json
index 4a74a54..5c44945 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -766,6 +766,11 @@
         "to-fast-properties": "^2.0.0"
       }
     },
+    "@chicode/lisa-vm": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/@chicode/lisa-vm/-/lisa-vm-1.0.5.tgz",
+      "integrity": "sha512-b4dOjVwpcdVOpyZ78aAe1BmuaubqO5dy02SyjbhzUZo61IoCeH/AFndoT2BDlZPWU8Lyxqqimry2NElPRNxXKA=="
+    },
     "@mrmlnc/readdir-enhanced": {
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/@mrmlnc/readdir-enhanced/-/readdir-enhanced-2.2.1.tgz",
@@ -3011,6 +3016,11 @@
       "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
       "dev": true
     },
+    "codemirror": {
+      "version": "5.57.0",
+      "resolved": "https://registry.npmjs.org/codemirror/-/codemirror-5.57.0.tgz",
+      "integrity": "sha512-WGc6UL7Hqt+8a6ZAsj/f1ApQl3NPvHY/UQSzG6fB6l4BjExgVdhFaxd7mRTw1UCiYe/6q86zHP+kfvBQcZGvUg=="
+    },
     "collection-visit": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/collection-visit/-/collection-visit-1.0.0.tgz",
@@ -4959,7 +4969,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -5002,7 +5013,8 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
@@ -5013,7 +5025,8 @@
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -5130,7 +5143,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -5142,6 +5156,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -5164,12 +5179,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.2",
             "yallist": "^3.0.0"
@@ -5188,6 +5205,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -5268,7 +5286,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -5280,6 +5299,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -5365,7 +5385,8 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -5401,6 +5422,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -5420,6 +5442,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -5463,12 +5486,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -5786,9 +5811,9 @@
       }
     },
     "globule": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/globule/-/globule-1.2.1.tgz",
-      "integrity": "sha512-g7QtgWF4uYSL5/dn71WxubOrS7JVGCnFPEnoeChJmBnyR9Mw8nGoEwOgJL/RC2Te0WhbsEUCejfH8SZNJ+adYQ==",
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/globule/-/globule-1.3.2.tgz",
+      "integrity": "sha512-7IDTQTIu2xzXkT+6mlluidnWo+BypnbSoEVVQCGfzqnl5Ik8d3e1d4wycb8Rj9tWW+Z39uPWsdlquqiqPCd/pA==",
       "dev": true,
       "requires": {
         "glob": "~7.1.1",
@@ -6229,9 +6254,9 @@
       "dev": true
     },
     "in-publish": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/in-publish/-/in-publish-2.0.0.tgz",
-      "integrity": "sha1-4g/146KvwmkDILbcVSaCqcf631E=",
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/in-publish/-/in-publish-2.0.1.tgz",
+      "integrity": "sha512-oDM0kUSNFC31ShNxHKUyfZKy8ZeXZBWMjMdZHKLOk13uvT27VTL/QzRGfRUcevJhpkZAvlhPYuXkF7eNWrtyxQ==",
       "dev": true
     },
     "indent-string": {
@@ -7175,36 +7200,18 @@
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
       "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg=="
     },
-    "lodash.assign": {
-      "version": "4.2.0",
-      "resolved": "https://registry.npmjs.org/lodash.assign/-/lodash.assign-4.2.0.tgz",
-      "integrity": "sha1-DZnzzNem0mHRm9rrkkUAXShYCOc=",
-      "dev": true
-    },
     "lodash.camelcase": {
       "version": "4.3.0",
       "resolved": "https://registry.npmjs.org/lodash.camelcase/-/lodash.camelcase-4.3.0.tgz",
       "integrity": "sha1-soqmKIorn8ZRA1x3EfZathkDMaY=",
       "dev": true
     },
-    "lodash.clonedeep": {
-      "version": "4.5.0",
-      "resolved": "https://registry.npmjs.org/lodash.clonedeep/-/lodash.clonedeep-4.5.0.tgz",
-      "integrity": "sha1-4j8/nE+Pvd6HJSnBBxhXoIblzO8=",
-      "dev": true
-    },
     "lodash.memoize": {
       "version": "4.1.2",
       "resolved": "https://registry.npmjs.org/lodash.memoize/-/lodash.memoize-4.1.2.tgz",
       "integrity": "sha1-vMbEmkKihA7Zl/Mj6tpezRguC/4=",
       "dev": true
     },
-    "lodash.mergewith": {
-      "version": "4.6.1",
-      "resolved": "https://registry.npmjs.org/lodash.mergewith/-/lodash.mergewith-4.6.1.tgz",
-      "integrity": "sha512-eWw5r+PYICtEBgrBE5hhlT6aAa75f411bgDz/ZL2KZqYV03USvucsxcHUIlGTDTECs1eunpI7HOV7U+WLDvNdQ==",
-      "dev": true
-    },
     "lodash.tail": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/lodash.tail/-/lodash.tail-4.1.1.tgz",
@@ -7816,7 +7823,8 @@
       "version": "2.12.1",
       "resolved": "https://registry.npmjs.org/nan/-/nan-2.12.1.tgz",
       "integrity": "sha512-JY7V6lRkStKcKTvHO5NVSQRv+RV+FIL5pvDoLiAtSL9pKlC5x9PKQcZDsq7m4FO4d57mkhC6Z+QhAh3Jdk5JFw==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "nanomatch": {
       "version": "1.2.13",
@@ -7974,9 +7982,9 @@
       }
     },
     "node-sass": {
-      "version": "4.11.0",
-      "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-4.11.0.tgz",
-      "integrity": "sha512-bHUdHTphgQJZaF1LASx0kAviPH7sGlcyNhWade4eVIpFp6tsn7SV8xNMTbsQFpEV9VXpnwTTnNYlfsZXgGgmkA==",
+      "version": "4.13.1",
+      "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-4.13.1.tgz",
+      "integrity": "sha512-TTWFx+ZhyDx1Biiez2nB0L3YrCZ/8oHagaDalbuBSlqXgUPsdkUSzJsVxeDO9LtPB49+Fh3WQl3slABo6AotNw==",
       "dev": true,
       "requires": {
         "async-foreach": "^0.1.3",
@@ -7986,12 +7994,10 @@
         "get-stdin": "^4.0.1",
         "glob": "^7.0.3",
         "in-publish": "^2.0.0",
-        "lodash.assign": "^4.2.0",
-        "lodash.clonedeep": "^4.3.2",
-        "lodash.mergewith": "^4.6.0",
+        "lodash": "^4.17.15",
         "meow": "^3.7.0",
         "mkdirp": "^0.5.1",
-        "nan": "^2.10.0",
+        "nan": "^2.13.2",
         "node-gyp": "^3.8.0",
         "npmlog": "^4.0.0",
         "request": "^2.88.0",
@@ -8029,6 +8035,18 @@
             "which": "^1.2.9"
           }
         },
+        "lodash": {
+          "version": "4.17.20",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
+          "integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==",
+          "dev": true
+        },
+        "nan": {
+          "version": "2.14.1",
+          "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.1.tgz",
+          "integrity": "sha512-isWHgVjnFjh2x2yuJ/tj3JbwoHu3UC2dX5G/88Cm24yB6YopVgxvBObDY7n5xW6ExmFhJpSEQqFPvq9zaXc8Jw==",
+          "dev": true
+        },
         "supports-color": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
@@ -8208,6 +8226,18 @@
         "isobject": "^3.0.0"
       }
     },
+    "object.assign": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/object.assign/-/object.assign-4.1.0.tgz",
+      "integrity": "sha512-exHJeq6kBKj58mqGyTQ9DFvrZC/eR6OwxzoM9YRoGBqrXYonaFyGiFMuc9VZrXf7DarreEwMpurG3dd+CNyW5w==",
+      "dev": true,
+      "requires": {
+        "define-properties": "^1.1.2",
+        "function-bind": "^1.1.1",
+        "has-symbols": "^1.0.0",
+        "object-keys": "^1.0.11"
+      }
+    },
     "object.getownpropertydescriptors": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/object.getownpropertydescriptors/-/object.getownpropertydescriptors-2.0.3.tgz",
@@ -9898,9 +9928,9 @@
       "dev": true
     },
     "sass-graph": {
-      "version": "2.2.4",
-      "resolved": "https://registry.npmjs.org/sass-graph/-/sass-graph-2.2.4.tgz",
-      "integrity": "sha1-E/vWPNHK8JCLn9k0dq1DpR0eC0k=",
+      "version": "2.2.6",
+      "resolved": "https://registry.npmjs.org/sass-graph/-/sass-graph-2.2.6.tgz",
+      "integrity": "sha512-MKuEYXFSGuRSi8FZ3A7imN1CeVn9Gpw0/SFJKdL1ejXJneI9a5rwlEZrKejhEFAA3O6yr3eIyl/WuvASvlT36g==",
       "dev": true,
       "requires": {
         "glob": "^7.0.0",
@@ -10057,9 +10087,9 @@
           "dev": true
         },
         "yargs": {
-          "version": "7.1.0",
-          "resolved": "https://registry.npmjs.org/yargs/-/yargs-7.1.0.tgz",
-          "integrity": "sha1-a6MY6xaWFyf10oT46gA+jWFU0Mg=",
+          "version": "7.1.1",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-7.1.1.tgz",
+          "integrity": "sha512-huO4Fr1f9PmiJJdll5kwoS2e4GqzGSsMT3PPMpOwoVkOK8ckqAewMTZyA6LXVQWflleb/Z8oPBEvNsMft0XE+g==",
           "dev": true,
           "requires": {
             "camelcase": "^3.0.0",
@@ -10074,16 +10104,17 @@
             "string-width": "^1.0.2",
             "which-module": "^1.0.0",
             "y18n": "^3.2.1",
-            "yargs-parser": "^5.0.0"
+            "yargs-parser": "5.0.0-security.0"
           }
         },
         "yargs-parser": {
-          "version": "5.0.0",
-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-5.0.0.tgz",
-          "integrity": "sha1-J17PDX/+Bcd+ZOfIbkzZS/DhIoo=",
+          "version": "5.0.0-security.0",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-5.0.0-security.0.tgz",
+          "integrity": "sha512-T69y4Ps64LNesYxeYGYPvfoMTt/7y1XtfpIslUeK4um+9Hu7hlGoRtaDLvdXb7+/tfq4opVa2HRY5xGip022rQ==",
           "dev": true,
           "requires": {
-            "camelcase": "^3.0.0"
+            "camelcase": "^3.0.0",
+            "object.assign": "^4.1.0"
           }
         }
       }
diff --git a/package.json b/package.json
index b1c30cc..11c9487 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "css-loader": "^0.28.10",
     "elm-webpack-loader": "^5.0.0",
     "mini-css-extract-plugin": "^0.4.0",
-    "node-sass": "^4.10.0",
+    "node-sass": "^4.13.1",
     "sass-loader": "^7.1.0",
     "style-loader": "^0.23.1",
     "webpack": "4.4.0",
diff --git a/yarn.lock b/yarn.lock
index 1e16c6e..da7b2e2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4896,31 +4896,16 @@ locate-path@^3.0.0:
     p-locate "^3.0.0"
     path-exists "^3.0.0"
 
-lodash.assign@^4.2.0:
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/lodash.assign/-/lodash.assign-4.2.0.tgz#0d99f3ccd7a6d261d19bdaeb9245005d285808e7"
-  integrity sha1-DZnzzNem0mHRm9rrkkUAXShYCOc=
-
 lodash.camelcase@^4.3.0:
   version "4.3.0"
   resolved "https://registry.yarnpkg.com/lodash.camelcase/-/lodash.camelcase-4.3.0.tgz#b28aa6288a2b9fc651035c7711f65ab6190331a6"
   integrity sha1-soqmKIorn8ZRA1x3EfZathkDMaY=
 
-lodash.clonedeep@^4.3.2:
-  version "4.5.0"
-  resolved "https://registry.yarnpkg.com/lodash.clonedeep/-/lodash.clonedeep-4.5.0.tgz#e23f3f9c4f8fbdde872529c1071857a086e5ccef"
-  integrity sha1-4j8/nE+Pvd6HJSnBBxhXoIblzO8=
-
 lodash.memoize@^4.1.2:
   version "4.1.2"
   resolved "https://registry.yarnpkg.com/lodash.memoize/-/lodash.memoize-4.1.2.tgz#bcc6c49a42a2840ed997f323eada5ecd182e0bfe"
   integrity sha1-vMbEmkKihA7Zl/Mj6tpezRguC/4=
 
-lodash.mergewith@^4.6.0:
-  version "4.6.1"
-  resolved "https://registry.yarnpkg.com/lodash.mergewith/-/lodash.mergewith-4.6.1.tgz#639057e726c3afbdb3e7d42741caa8d6e4335927"
-  integrity sha512-eWw5r+PYICtEBgrBE5hhlT6aAa75f411bgDz/ZL2KZqYV03USvucsxcHUIlGTDTECs1eunpI7HOV7U+WLDvNdQ==
-
 lodash.tail@^4.1.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/lodash.tail/-/lodash.tail-4.1.1.tgz#d2333a36d9e7717c8ad2f7cacafec7c32b444664"
@@ -4931,11 +4916,16 @@ lodash.uniq@^4.5.0:
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
   integrity sha1-0CJTc662Uq3BvILklFM5qEJ1R3M=
 
-lodash@4.17.11, lodash@^4.0.0, lodash@^4.13.1, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.2, lodash@^4.17.4, lodash@^4.3.0, lodash@~4.17.10:
+lodash@4.17.11:
   version "4.17.11"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
   integrity sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==
 
+lodash@^4.0.0, lodash@^4.13.1, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.15, lodash@^4.17.2, lodash@^4.17.4, lodash@^4.3.0, lodash@~4.17.10:
+  version "4.17.20"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
+  integrity sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==
+
 log-symbols@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/log-symbols/-/log-symbols-1.0.2.tgz#376ff7b58ea3086a0f09facc74617eca501e1a18"
@@ -5364,10 +5354,10 @@ mute-stream@0.0.7:
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.7.tgz#3075ce93bc21b8fab43e1bc4da7e8115ed1e7bab"
   integrity sha1-MHXOk7whuPq0PhvE2n6BFe0ee6s=
 
-nan@^2.10.0, nan@^2.9.2:
-  version "2.12.1"
-  resolved "https://registry.yarnpkg.com/nan/-/nan-2.12.1.tgz#7b1aa193e9aa86057e3c7bbd0ac448e770925552"
-  integrity sha512-JY7V6lRkStKcKTvHO5NVSQRv+RV+FIL5pvDoLiAtSL9pKlC5x9PKQcZDsq7m4FO4d57mkhC6Z+QhAh3Jdk5JFw==
+nan@^2.13.2, nan@^2.9.2:
+  version "2.14.1"
+  resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.1.tgz#d7be34dfa3105b91494c3147089315eff8874b01"
+  integrity sha512-isWHgVjnFjh2x2yuJ/tj3JbwoHu3UC2dX5G/88Cm24yB6YopVgxvBObDY7n5xW6ExmFhJpSEQqFPvq9zaXc8Jw==
 
 nanomatch@^1.2.9:
   version "1.2.13"
@@ -5505,10 +5495,10 @@ node-releases@^1.1.8:
   dependencies:
     semver "^5.3.0"
 
-node-sass@^4.10.0:
-  version "4.11.0"
-  resolved "https://registry.yarnpkg.com/node-sass/-/node-sass-4.11.0.tgz#183faec398e9cbe93ba43362e2768ca988a6369a"
-  integrity sha512-bHUdHTphgQJZaF1LASx0kAviPH7sGlcyNhWade4eVIpFp6tsn7SV8xNMTbsQFpEV9VXpnwTTnNYlfsZXgGgmkA==
+node-sass@^4.13.1:
+  version "4.13.1"
+  resolved "https://registry.yarnpkg.com/node-sass/-/node-sass-4.13.1.tgz#9db5689696bb2eec2c32b98bfea4c7a2e992d0a3"
+  integrity sha512-TTWFx+ZhyDx1Biiez2nB0L3YrCZ/8oHagaDalbuBSlqXgUPsdkUSzJsVxeDO9LtPB49+Fh3WQl3slABo6AotNw==
   dependencies:
     async-foreach "^0.1.3"
     chalk "^1.1.1"
@@ -5517,12 +5507,10 @@ node-sass@^4.10.0:
     get-stdin "^4.0.1"
     glob "^7.0.3"
     in-publish "^2.0.0"
-    lodash.assign "^4.2.0"
-    lodash.clonedeep "^4.3.2"
-    lodash.mergewith "^4.6.0"
+    lodash "^4.17.15"
     meow "^3.7.0"
     mkdirp "^0.5.1"
-    nan "^2.10.0"
+    nan "^2.13.2"
     node-gyp "^3.8.0"
     npmlog "^4.0.0"
     request "^2.88.0"