diff --git a/package-lock.json b/package-lock.json
index 2a45a5a..41e2ef1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -39,6 +39,17 @@
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+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.4.tgz",
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+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
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@@ -76,8 +87,8 @@
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-        "readable-stream": "2.3.6"
+        "delegates": "^1.0.0",
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@@ -156,14 +167,17 @@
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-      "integrity": "sha1-2sh4dxPJlmhJ/IGAd36+nB3fO4Y="
+      "version": "0.2.4",
+      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
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+      "requires": {
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-      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-0.2.0.tgz",
-      "integrity": "sha1-104bh+ev/A24qttwIfP+SBAasjQ="
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
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@@ -222,14 +236,14 @@
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-      "integrity": "sha1-FDQt0428yU0OW4fXY81jYSwOeU8="
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
+      "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg="
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-      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.7.0.tgz",
-      "integrity": "sha512-32NDda82rhwD9/JBCCkB+MRYDp0oSvlo2IL6rQWA10PQi7tDUM3eqMSltXmY+Oyl/7N3P3qNtAlv7X0d9bI28w=="
+      "version": "1.10.1",
+      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.10.1.tgz",
+      "integrity": "sha512-zg7Hz2k5lI8kb7U32998pRRFin7zJlkfezGJjUc2heaD4Pw2wObakCDVzkKztTm/Ln7eiVvYsjqak0Ed4LkMDA=="
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-      "optional": true,
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+        "tweetnacl": "^0.14.3"
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@@ -354,15 +367,7 @@
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-      "integrity": "sha1-OciRjO/1eZ+D+UkqhI9iWt0Mdm8=",
-      "requires": {
-        "hoek": "2.16.3"
+        "inherits": "~2.0.0"
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-        "map-obj": "1.0.1"
+        "camelcase": "^2.0.0",
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-      "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.11.0.tgz",
-      "integrity": "sha1-cVuW6phBWTzDMGeSP17GDr2k99c="
+      "version": "0.12.0",
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@@ -806,17 +811,18 @@
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-      "integrity": "sha1-cj599ugBrFYTETp+RFqbactjKBg=",
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
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-        "delayed-stream": "1.0.0"
+        "delayed-stream": "~1.0.0"
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+      "integrity": "sha512-sVXqklSaotK9at437sFlFpyOcJonxe0yST/AG9DkQKUdIE6IqGIMv4SfAQSKaJbSdVEJYItASCrBiVQHq1HQew==",
+      "dev": true
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@@ -898,16 +904,8 @@
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-      "integrity": "sha1-O9/s3GCBR8HGcgL6KR59ylnqo7g=",
-      "requires": {
-        "boom": "2.10.1"
+        "lru-cache": "^4.0.1",
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@@ -923,14 +921,7 @@
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-          "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
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@@ -955,7 +946,6 @@
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@@ -1088,12 +1078,12 @@
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-      "integrity": "sha1-D8c6ntXw1Tw4GTOYUj735UN3dQU=",
-      "optional": true,
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+      "integrity": "sha1-OoOpBOVDUyh4dMVkt1SThoSamMk=",
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+        "jsbn": "~0.1.0",
+        "safer-buffer": "^2.1.0"
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@@ -1366,9 +1356,9 @@
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-      "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.1.tgz",
-      "integrity": "sha1-p1Xqe8Gt/MWjHOfnYtuq3F5jZEQ="
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.2.tgz",
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@@ -1453,6 +1443,11 @@
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       "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU="
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+      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
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@@ -1466,6 +1461,11 @@
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+      "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz",
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@@ -1563,13 +1562,13 @@
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-      "integrity": "sha1-M8GDrPGTJ27KqYFDpp6Uv+4XUNE=",
+      "version": "2.3.3",
+      "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.3.3.tgz",
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-        "combined-stream": "1.0.6",
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@@ -1624,7 +1623,8 @@
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@@ -1642,11 +1642,13 @@
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@@ -1659,15 +1661,18 @@
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+          "bundled": true,
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@@ -1770,7 +1775,8 @@
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@@ -1780,6 +1786,7 @@
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@@ -1792,17 +1799,20 @@
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         "minimist": {
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-          "bundled": true
+          "bundled": true,
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@@ -1819,6 +1829,7 @@
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+          "optional": true,
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@@ -1891,7 +1902,8 @@
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@@ -1901,6 +1913,7 @@
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@@ -1976,7 +1989,8 @@
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@@ -2006,6 +2020,7 @@
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@@ -2023,6 +2038,7 @@
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@@ -2061,44 +2077,45 @@
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-      "integrity": "sha1-XB+x8RdHcRTwYyoOtLcbPLD9MXE=",
+      "version": "1.0.12",
+      "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.12.tgz",
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-        "inherits": "2.0.3",
-        "mkdirp": "0.5.1",
-        "rimraf": "2.6.2"
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-      "dev": true
+      "integrity": "sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A=="
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+        "aproba": "^1.0.3",
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@@ -2106,20 +2123,7 @@
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-      "integrity": "sha1-nA4cQDCM6AT0eDYYuTf6iPmdUNA=",
-      "requires": {
-        "is-property": "1.0.2"
+        "globule": "^1.0.0"
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@@ -4947,11 +4903,12 @@
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@@ -4966,37 +4923,25 @@
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-      "integrity": "sha1-fskRMJJHZsf1c74wIMNPj9/QDWI=",
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+      "resolved": "https://registry.npmjs.org/true-case-path/-/true-case-path-1.0.3.tgz",
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-      "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.4.3.tgz",
-      "integrity": "sha1-Y3PbdpCf5XDgjXNYM2Xtgop07us="
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
+      "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
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-      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
-      "optional": true
+      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q="
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@@ -5094,6 +5039,14 @@
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+    "uri-js": {
+      "version": "4.4.0",
+      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.0.tgz",
+      "integrity": "sha512-B0yRTzYdUCCn9n+F4+Gh4yIDtMQcaJsmYBDsTSG8g/OejKBodLQ2IHfN3bM7jUsRXndopT7OIXWdYqc1fjmV6g==",
+      "requires": {
+        "punycode": "^2.1.0"
+      }
+    },
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       "resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz",
@@ -5119,9 +5072,9 @@
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-      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
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+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
+      "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A=="
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@@ -5137,16 +5090,9 @@
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-          "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
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+        "extsprintf": "^1.2.0"
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@@ -5167,7 +5113,7 @@
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       "requires": {
-        "string-width": "1.0.2"
+        "string-width": "^1.0.2 || 2"
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@@ -5207,11 +5153,6 @@
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-      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
-      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
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@@ -5223,23 +5164,23 @@
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-      "resolved": "https://registry.npmjs.org/yargs/-/yargs-7.1.0.tgz",
-      "integrity": "sha1-a6MY6xaWFyf10oT46gA+jWFU0Mg=",
-      "requires": {
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-        "which-module": "1.0.0",
-        "y18n": "3.2.1",
-        "yargs-parser": "5.0.0"
+      "version": "7.1.1",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-7.1.1.tgz",
+      "integrity": "sha512-huO4Fr1f9PmiJJdll5kwoS2e4GqzGSsMT3PPMpOwoVkOK8ckqAewMTZyA6LXVQWflleb/Z8oPBEvNsMft0XE+g==",
+      "requires": {
+        "camelcase": "^3.0.0",
+        "cliui": "^3.2.0",
+        "decamelize": "^1.1.1",
+        "get-caller-file": "^1.0.1",
+        "os-locale": "^1.4.0",
+        "read-pkg-up": "^1.0.1",
+        "require-directory": "^2.1.1",
+        "require-main-filename": "^1.0.1",
+        "set-blocking": "^2.0.0",
+        "string-width": "^1.0.2",
+        "which-module": "^1.0.0",
+        "y18n": "^3.2.1",
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@@ -5250,11 +5191,12 @@
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-      "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==",
       "requires": {
-        "camelcase": "3.0.0"
+        "camelcase": "^3.0.0",
+        "object.assign": "^4.1.0"
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diff --git a/package.json b/package.json
index 8814826..a643161 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "main": "gulpfile.js",
   "dependencies": {
     "autoprefixer": "^8.6.4",
-    "node-sass": "^4.7.2",
+    "node-sass": "^4.13.1",
     "postcss-cli": "^5.0.1"
   },
   "devDependencies": {