diff --git a/package.json b/package.json
index 6dab94e..48d5d22 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "karma-phantomjs-shim": "^1.1.2",
     "karma-webpack": "^1.7.0",
     "ng-annotate-loader": "^0.6.1",
-    "node-sass": "^3.4.2",
+    "node-sass": "^4.13.1",
     "phantomjs-prebuilt": "^2.1.6",
     "postcss-loader": "^0.8.0",
     "sass-loader": "^3.1.2",
diff --git a/yarn.lock b/yarn.lock
index 99e5276..ff5a410 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -83,13 +83,23 @@ ajv-keywords@^1.0.0:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-1.5.1.tgz#314dd0a4b3368fad3dfcdc54ede6171b886daf3c"
 
-ajv@^4.7.0, ajv@^4.9.1:
+ajv@^4.7.0:
   version "4.11.8"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-4.11.8.tgz#82ffb02b29e662ae53bdc20af15947706739c536"
   dependencies:
     co "^4.6.0"
     json-stable-stringify "^1.0.1"
 
+ajv@^6.12.3:
+  version "6.12.4"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.4.tgz#0614facc4522127fa713445c6bfd3ebd376e2234"
+  integrity sha512-eienB2c9qVQs2KWexhkrdMLVDoIQCz5KSeLxwg9Lzk4DOfBtIK9PQwwufcsn1jjGuf9WZmqPMbGxOzfcuphJCQ==
+  dependencies:
+    fast-deep-equal "^3.1.1"
+    fast-json-stable-stringify "^2.0.0"
+    json-schema-traverse "^0.4.1"
+    uri-js "^4.2.2"
+
 align-text@^0.1.1, align-text@^0.1.3:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/align-text/-/align-text-0.1.4.tgz#0cd90a561093f35d0a99256c22b7069433fad117"
@@ -331,10 +341,20 @@ aws-sign2@~0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.6.0.tgz#14342dd38dbcc94d0e5b87d763cd63612c0e794f"
 
+aws-sign2@~0.7.0:
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.7.0.tgz#b46e890934a9591f2d2f6f86d7e6a9f1b3fe76a8"
+  integrity sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=
+
 aws4@^1.2.1:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.6.0.tgz#83ef5ca860b2b32e4a0deedee8c771b9db57471e"
 
+aws4@^1.8.0:
+  version "1.10.1"
+  resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.10.1.tgz#e1e82e4f3e999e2cfd61b161280d16a111f86428"
+  integrity sha512-zg7Hz2k5lI8kb7U32998pRRFin7zJlkfezGJjUc2heaD4Pw2wObakCDVzkKztTm/Ln7eiVvYsjqak0Ed4LkMDA==
+
 babel-code-frame@^6.22.0:
   version "6.22.0"
   resolved "https://registry.yarnpkg.com/babel-code-frame/-/babel-code-frame-6.22.0.tgz#027620bee567a88c32561574e7fd0801d33118e4"
@@ -782,6 +802,11 @@ balanced-match@^0.4.1, balanced-match@^0.4.2:
   version "0.4.2"
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-0.4.2.tgz#cb3f3e3c732dc0f01ee70b403f302e61d7709838"
 
+balanced-match@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
+  integrity sha1-ibTRmasr7kneFk6gK4nORi1xt2c=
+
 base64-arraybuffer@0.1.5, base64-arraybuffer@^0.1.5:
   version "0.1.5"
   resolved "http://registry.npm.taobao.org/base64-arraybuffer/download/base64-arraybuffer-0.1.5.tgz#73926771923b5a19747ad666aa5cd4bf9c6e9ce8"
@@ -872,6 +897,14 @@ brace-expansion@^1.0.0:
     balanced-match "^0.4.1"
     concat-map "0.0.1"
 
+brace-expansion@^1.1.7:
+  version "1.1.11"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
+  integrity sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==
+  dependencies:
+    balanced-match "^1.0.0"
+    concat-map "0.0.1"
+
 braces@^0.1.2:
   version "0.1.5"
   resolved "https://registry.yarnpkg.com/braces/-/braces-0.1.5.tgz#c085711085291d8b75fdd74eab0f8597280711e6"
@@ -1274,7 +1307,7 @@ combined-stream@^1.0.5, combined-stream@~1.0.5:
   dependencies:
     delayed-stream "~1.0.0"
 
-combined-stream@^1.0.8:
+combined-stream@^1.0.6, combined-stream@^1.0.8, combined-stream@~1.0.6:
   version "1.0.8"
   resolved "https://registry.npm.taobao.org/combined-stream/download/combined-stream-1.0.8.tgz#c3d45a8b34fd730631a110a8a2520682b31d5a7f"
   integrity sha1-w9RaizT9cwYxoRCoolIGgrMdWn8=
@@ -1650,6 +1683,13 @@ default-resolution@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/default-resolution/-/default-resolution-2.0.0.tgz#bcb82baa72ad79b426a76732f1a81ad6df26d684"
 
+define-properties@^1.1.2:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.3.tgz#cf88da6cbee26fe6db7094f61d870cbd84cee9f1"
+  integrity sha512-3MqfYKj2lLzdMSf8ZIZE/V+Zuy+BgD6f164e8K2w7dgnpKArBDerGYpM46IYYcjnkdPNMjPk9A6VFB8+3SKlXQ==
+  dependencies:
+    object-keys "^1.0.12"
+
 defined@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/defined/-/defined-1.0.0.tgz#c98d9bcef75674188e110969151199e39b1fa693"
@@ -2222,6 +2262,11 @@ extend@^3.0.0, extend@~3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.1.tgz#a755ea7bc1adfcc5a31ce7e762dbaadc5e636444"
 
+extend@~3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.2.tgz#f8b1136b4071fbd8eb140aff858b1019ec2915fa"
+  integrity sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g==
+
 extglob@^0.3.1:
   version "0.3.2"
   resolved "https://registry.yarnpkg.com/extglob/-/extglob-0.3.2.tgz#2e18ff3d2f49ab2765cec9023f011daa8d8349a1"
@@ -2256,6 +2301,16 @@ fancy-log@^1.1.0:
     chalk "^1.1.1"
     time-stamp "^1.0.0"
 
+fast-deep-equal@^3.1.1:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz#3a7d56b559d6cbc3eb512325244e619a65c6c525"
+  integrity sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==
+
+fast-json-stable-stringify@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz#874bf69c6f404c2b5d99c481341399fd55892633"
+  integrity sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw==
+
 fast-levenshtein@~2.0.4:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
@@ -2413,6 +2468,15 @@ form-data@~2.1.1:
     combined-stream "^1.0.5"
     mime-types "^2.1.12"
 
+form-data@~2.3.2:
+  version "2.3.3"
+  resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.3.3.tgz#dcce52c05f644f298c6a7ab936bd724ceffbf3a6"
+  integrity sha512-1lLKB2Mu3aGP1Q/2eCOx0fNbRMe7XdwktwOruhfqqd0rIJWwN4Dh+E3hrPSlDCXnSR7UtZ1N38rVXm+6+MEhJQ==
+  dependencies:
+    asynckit "^0.4.0"
+    combined-stream "^1.0.6"
+    mime-types "^2.1.12"
+
 formidable@1.0.x:
   version "1.0.17"
   resolved "https://registry.yarnpkg.com/formidable/-/formidable-1.0.17.tgz#ef5491490f9433b705faa77249c99029ae348559"
@@ -2474,6 +2538,11 @@ function-bind@^1.0.2:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.0.tgz#16176714c801798e4e8f2cf7f7529467bb4a5771"
 
+function-bind@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.1.tgz#a56899d3ea3c9bab874bb9773b7c5ede92f4895d"
+  integrity sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A==
+
 fwd@^0.2.2:
   version "0.2.2"
   resolved "https://registry.yarnpkg.com/fwd/-/fwd-0.2.2.tgz#0d19f99b40f8af83b8792203ba50dce7e46f7530"
@@ -2573,14 +2642,15 @@ glob@^5.0.15, glob@^5.0.3, glob@~5.0.0:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.0.6, glob@~7.1.1:
-  version "7.1.1"
-  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.1.tgz#805211df04faaf1c63a3600306cdf5ade50b2ec8"
+glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.0.6, glob@^7.1.2, glob@~7.1.1:
+  version "7.1.6"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.6.tgz#141f33b81a7c2492e125594307480c46679278a6"
+  integrity sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==
   dependencies:
     fs.realpath "^1.0.0"
     inflight "^1.0.4"
     inherits "2"
-    minimatch "^3.0.2"
+    minimatch "^3.0.4"
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
@@ -2844,9 +2914,10 @@ handlebars@^4.0.1:
   optionalDependencies:
     uglify-js "^2.6"
 
-har-schema@^1.0.5:
-  version "1.0.5"
-  resolved "https://registry.yarnpkg.com/har-schema/-/har-schema-1.0.5.tgz#d263135f43307c02c602afc8fe95970c0151369e"
+har-schema@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/har-schema/-/har-schema-2.0.0.tgz#a94c2224ebcac04782a0d9035521f24735b7ec92"
+  integrity sha1-qUwiJOvKwEeCoNkDVSHyRzW37JI=
 
 har-validator@~2.0.6:
   version "2.0.6"
@@ -2857,12 +2928,13 @@ har-validator@~2.0.6:
     is-my-json-valid "^2.12.4"
     pinkie-promise "^2.0.0"
 
-har-validator@~4.2.1:
-  version "4.2.1"
-  resolved "https://registry.yarnpkg.com/har-validator/-/har-validator-4.2.1.tgz#33481d0f1bbff600dd203d75812a6a5fba002e2a"
+har-validator@~5.1.3:
+  version "5.1.5"
+  resolved "https://registry.yarnpkg.com/har-validator/-/har-validator-5.1.5.tgz#1f0803b9f8cb20c0fa13822df1ecddb36bde1efd"
+  integrity sha512-nmT2T0lljbxdQZfspsno9hgrG3Uir6Ks5afism62poxqBM6sDnMEuPmzTq8XN0OEwqKLLdh1jQI3qyE66Nzb3w==
   dependencies:
-    ajv "^4.9.1"
-    har-schema "^1.0.5"
+    ajv "^6.12.3"
+    har-schema "^2.0.0"
 
 has-ansi@^2.0.0:
   version "2.0.0"
@@ -2900,6 +2972,11 @@ has-gulplog@^0.1.0:
   dependencies:
     sparkles "^1.0.0"
 
+has-symbols@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.1.tgz#9f5214758a44196c406d9bd76cebf81ec2dd31e8"
+  integrity sha512-PLcsoqu++dmEIZB+6totNFKq/7Do+Z0u4oT0zKOJNl3lYK6vGwwu2hjHs+68OEZbTjiUE9bgOABXbP/GvrS0Kg==
+
 has-unicode@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/has-unicode/-/has-unicode-2.0.1.tgz#e0e6fe6a28cf51138855e086d1691e771de2a8b9"
@@ -3037,6 +3114,15 @@ http-signature@~1.1.0:
     jsprim "^1.2.2"
     sshpk "^1.7.0"
 
+http-signature@~1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/http-signature/-/http-signature-1.2.0.tgz#9aecd925114772f3d95b65a60abb8f7c18fbace1"
+  integrity sha1-muzZJRFHcvPZW2WmCruPfBj7rOE=
+  dependencies:
+    assert-plus "^1.0.0"
+    jsprim "^1.2.2"
+    sshpk "^1.7.0"
+
 https-browserify@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/https-browserify/-/https-browserify-0.0.1.tgz#3f91365cabe60b77ed0ebba24b454e3e09d95a82"
@@ -3480,6 +3566,11 @@ json-loader@^0.5.4:
   version "0.5.4"
   resolved "https://registry.yarnpkg.com/json-loader/-/json-loader-0.5.4.tgz#8baa1365a632f58a3c46d20175fc6002c96e37de"
 
+json-schema-traverse@^0.4.1:
+  version "0.4.1"
+  resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz#69f6a87d9513ab8bb8fe63bdb0979c448e684660"
+  integrity sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==
+
 json-schema@0.2.3:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/json-schema/-/json-schema-0.2.3.tgz#b480c892e59a2f05954ce727bd3f2a4e882f9e13"
@@ -3977,14 +4068,10 @@ lodash@^3.0.1, lodash@^3.10.1, lodash@^3.5.0, lodash@^3.8.0:
   version "3.10.1"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-3.10.1.tgz#5bf45e8e49ba4189e17d482789dfd15bd140b7b6"
 
-lodash@^4.0.0, lodash@^4.0.1, lodash@^4.17.3, lodash@^4.2.0, lodash@^4.3.0:
-  version "4.17.4"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
-
-lodash@^4.17.10:
-  version "4.17.15"
-  resolved "https://registry.npm.taobao.org/lodash/download/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
-  integrity sha1-tEf2ZwoEVbv+7dETku/zMOoJdUg=
+lodash@^4.0.0, lodash@^4.0.1, lodash@^4.17.10, lodash@^4.17.15, lodash@^4.17.3, lodash@^4.2.0, lodash@^4.3.0:
+  version "4.17.20"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
+  integrity sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==
 
 lodash@~4.16.4:
   version "4.16.6"
@@ -4152,6 +4239,11 @@ micromatch@2.3.11, micromatch@^2.1.5, micromatch@^2.3.7:
     parse-glob "^3.0.4"
     regex-cache "^0.4.2"
 
+mime-db@1.44.0:
+  version "1.44.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.44.0.tgz#fa11c5eb0aca1334b4233cb4d52f10c5a6272f92"
+  integrity sha512-/NOTfLrsPBVeH7YtFPgsVWveuL+4SjjYxaQ1xtM1KMFj7HdxlBlxeyNLzhyJVx7r4rZGJAZ/6lkKCitSc/Nmpg==
+
 mime-db@~1.27.0:
   version "1.27.0"
   resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.27.0.tgz#820f572296bbd20ec25ed55e5b5de869e5436eb1"
@@ -4162,6 +4254,13 @@ mime-types@^2.1.12, mime-types@~2.1.11, mime-types@~2.1.15, mime-types@~2.1.7:
   dependencies:
     mime-db "~1.27.0"
 
+mime-types@~2.1.19:
+  version "2.1.27"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.27.tgz#47949f98e279ea53119f5722e0f34e529bec009f"
+  integrity sha512-JIhqnCasI9yD+SsmkquHBxTSEuZdQX5BuQnS2Vc7puQQQ+8yiP5AY5uWhpdv4YL4VM5c6iliiYWPgJ/nJQLp7w==
+  dependencies:
+    mime-db "1.44.0"
+
 mime@1.2.4:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.2.4.tgz#11b5fdaf29c2509255176b80ad520294f5de92b7"
@@ -4181,6 +4280,13 @@ mime@^2.4.4:
   dependencies:
     brace-expansion "^1.0.0"
 
+minimatch@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
+  integrity sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==
+  dependencies:
+    brace-expansion "^1.1.7"
+
 minimist@0.0.8, minimist@~0.0.1:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
@@ -4254,9 +4360,10 @@ mute-stream@0.0.5:
   version "0.0.5"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.5.tgz#8fbfabb0a98a253d3184331f9e8deb7372fac6c0"
 
-nan@^2.3.0, nan@^2.3.2:
-  version "2.6.2"
-  resolved "https://registry.yarnpkg.com/nan/-/nan-2.6.2.tgz#e4ff34e6c95fdfb5aecc08de6596f43605a7db45"
+nan@^2.13.2, nan@^2.3.0, nan@^2.3.2:
+  version "2.14.1"
+  resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.1.tgz#d7be34dfa3105b91494c3147089315eff8874b01"
+  integrity sha512-isWHgVjnFjh2x2yuJ/tj3JbwoHu3UC2dX5G/88Cm24yB6YopVgxvBObDY7n5xW6ExmFhJpSEQqFPvq9zaXc8Jw==
 
 ncname@1.0.x:
   version "1.0.0"
@@ -4325,19 +4432,19 @@ no-case@^2.2.0:
   dependencies:
     lower-case "^1.1.1"
 
-node-gyp@^3.3.1:
-  version "3.6.1"
-  resolved "https://registry.yarnpkg.com/node-gyp/-/node-gyp-3.6.1.tgz#19561067ff185464aded478212681f47fd578cbc"
+node-gyp@^3.3.1, node-gyp@^3.8.0:
+  version "3.8.0"
+  resolved "https://registry.yarnpkg.com/node-gyp/-/node-gyp-3.8.0.tgz#540304261c330e80d0d5edce253a68cb3964218c"
+  integrity sha512-3g8lYefrRRzvGeSowdJKAKyks8oUpLEd/DyPV4eMhVlhJ0aNaZqIrNUIPuEWWTAoPqyFkfGrM67MC69baqn6vA==
   dependencies:
     fstream "^1.0.0"
     glob "^7.0.3"
     graceful-fs "^4.1.2"
-    minimatch "^3.0.2"
     mkdirp "^0.5.0"
     nopt "2 || 3"
     npmlog "0 || 1 || 2 || 3 || 4"
     osenv "0"
-    request "2"
+    request "^2.87.0"
     rimraf "2"
     semver "~5.3.0"
     tar "^2.0.0"
@@ -4406,6 +4513,29 @@ node-sass@^3.4.2:
     request "^2.61.0"
     sass-graph "^2.1.1"
 
+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"
+    cross-spawn "^3.0.0"
+    gaze "^1.0.0"
+    get-stdin "^4.0.1"
+    glob "^7.0.3"
+    in-publish "^2.0.0"
+    lodash "^4.17.15"
+    meow "^3.7.0"
+    mkdirp "^0.5.1"
+    nan "^2.13.2"
+    node-gyp "^3.8.0"
+    npmlog "^4.0.0"
+    request "^2.88.0"
+    sass-graph "^2.2.4"
+    stdout-stream "^1.4.0"
+    "true-case-path" "^1.0.2"
+
 node-uuid@~1.4.7:
   version "1.4.8"
   resolved "https://registry.yarnpkg.com/node-uuid/-/node-uuid-1.4.8.tgz#b040eb0923968afabf8d32fb1f17f1167fdab907"
@@ -4489,6 +4619,11 @@ oauth-sign@~0.8.1:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.8.2.tgz#46a6ab7f0aead8deae9ec0565780b7d4efeb9d43"
 
+oauth-sign@~0.9.0:
+  version "0.9.0"
+  resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.9.0.tgz#47a7b016baa68b5fa0ecf3dee08a85c679ac6455"
+  integrity sha512-fexhUFFPTGV8ybAtSIGbV6gOkSv8UtRbDBnAyLQw4QPKkgNlsH2ByPGtMUqdWkos6YCRmAqViwgZrJc/mRDzZQ==
+
 object-assign@*, object-assign@^4.0.0, object-assign@^4.0.1, object-assign@^4.1.0, object-assign@^4.1.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
@@ -4509,10 +4644,25 @@ object-hash@^1.1.4:
   version "1.1.8"
   resolved "https://registry.yarnpkg.com/object-hash/-/object-hash-1.1.8.tgz#28a659cf987d96a4dabe7860289f3b5326c4a03c"
 
+object-keys@^1.0.11, object-keys@^1.0.12:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.1.1.tgz#1c47f272df277f3b1daf061677d9c82e2322c60e"
+  integrity sha512-NuAESUOUMrlIXOfHKzD6bpPu3tYt3xvjNdRIQ+FeT0lNb4K8WR70CaDxhuNguS2XG+GjkyMwOzsN5ZktImfhLA==
+
 object-path@^0.9.0:
   version "0.9.2"
   resolved "https://registry.yarnpkg.com/object-path/-/object-path-0.9.2.tgz#0fd9a74fc5fad1ae3968b586bda5c632bd6c05a5"
 
+object.assign@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/object.assign/-/object.assign-4.1.0.tgz#968bf1100d7956bb3ca086f006f846b3bc4008da"
+  integrity sha512-exHJeq6kBKj58mqGyTQ9DFvrZC/eR6OwxzoM9YRoGBqrXYonaFyGiFMuc9VZrXf7DarreEwMpurG3dd+CNyW5w==
+  dependencies:
+    define-properties "^1.1.2"
+    function-bind "^1.1.1"
+    has-symbols "^1.0.0"
+    object-keys "^1.0.11"
+
 object.defaults@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/object.defaults/-/object.defaults-1.1.0.tgz#3a7f868334b407dea06da16d88d5cd29e435fecf"
@@ -4769,9 +4919,10 @@ pend@~1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/pend/-/pend-1.2.0.tgz#7a57eb550a6783f9115331fcf4663d5c8e007a50"
 
-performance-now@^0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-0.2.0.tgz#33ef30c5c77d4ea21c5a53869d91b56d8f2555e5"
+performance-now@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
+  integrity sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=
 
 phantomjs-prebuilt@^2.1.6, phantomjs-prebuilt@^2.1.7:
   version "2.1.14"
@@ -5124,6 +5275,11 @@ pseudomap@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/pseudomap/-/pseudomap-1.0.2.tgz#f052a28da70e618917ef0a8ac34c1ae5a68286b3"
 
+psl@^1.1.28:
+  version "1.8.0"
+  resolved "https://registry.yarnpkg.com/psl/-/psl-1.8.0.tgz#9326f8bcfb013adcc005fdff056acce020e51c24"
+  integrity sha512-RIdOzyoavK+hA18OGGWDqUTsCLhtA7IcZ/6NCs4fFJaHBDab+pDDmDIByWFRQJq2Cd7r1OoQxBGKOaztq+hjIQ==
+
 punycode@1.3.2:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.3.2.tgz#9653a036fb7c1ee42342f2325cceefea3926c48d"
@@ -5132,6 +5288,11 @@ punycode@^1.2.4, punycode@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
 
+punycode@^2.1.0, punycode@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/punycode/-/punycode-2.1.1.tgz#b58b010ac40c22c5657616c8d2c2c02c7bf479ec"
+  integrity sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A==
+
 q@^1.0.1, q@^1.1.2:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/q/-/q-1.5.0.tgz#dd01bac9d06d30e6f219aecb8253ee9ebdc308f1"
@@ -5144,7 +5305,7 @@ qs@6.2.1:
   version "6.2.1"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.2.1.tgz#ce03c5ff0935bc1d9d69a9f14cbd18e568d67625"
 
-qs@6.4.0, "qs@>= 0.4.0", qs@~6.4.0:
+qs@6.4.0, "qs@>= 0.4.0":
   version "6.4.0"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.4.0.tgz#13e26d28ad6b0ffaa91312cd3bf708ed351e7233"
 
@@ -5157,6 +5318,11 @@ qs@~6.3.0:
   version "6.3.2"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.3.2.tgz#e75bd5f6e268122a2a0e0bda630b2550c166502c"
 
+qs@~6.5.2:
+  version "6.5.2"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.2.tgz#cb3ae806e8740444584ef154ce8ee98d403f3e36"
+  integrity sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==
+
 query-string@^4.1.0:
   version "4.3.4"
   resolved "https://registry.yarnpkg.com/query-string/-/query-string-4.3.4.tgz#bbb693b9ca915c232515b228b1a02b609043dbeb"
@@ -5405,9 +5571,9 @@ request-progress@~2.0.1:
   dependencies:
     throttleit "^1.0.0"
 
-request@2, request@^2.61.0, request@~2.79.0:
-  version "2.79.0"
-  resolved "https://registry.yarnpkg.com/request/-/request-2.79.0.tgz#4dfe5bf6be8b8cdc37fcf93e04b65577722710de"
+request@2.78.0:
+  version "2.78.0"
+  resolved "https://registry.yarnpkg.com/request/-/request-2.78.0.tgz#e1c8dec346e1c81923b24acdb337f11decabe9cc"
   dependencies:
     aws-sign2 "~0.6.0"
     aws4 "^1.2.1"
@@ -5423,50 +5589,51 @@ request@2, request@^2.61.0, request@~2.79.0:
     isstream "~0.1.2"
     json-stringify-safe "~5.0.1"
     mime-types "~2.1.7"
+    node-uuid "~1.4.7"
     oauth-sign "~0.8.1"
     qs "~6.3.0"
     stringstream "~0.0.4"
     tough-cookie "~2.3.0"
     tunnel-agent "~0.4.1"
-    uuid "^3.0.0"
 
-request@2.78.0:
-  version "2.78.0"
-  resolved "https://registry.yarnpkg.com/request/-/request-2.78.0.tgz#e1c8dec346e1c81923b24acdb337f11decabe9cc"
+request@^2.61.0, request@^2.81.0, request@^2.87.0, request@^2.88.0:
+  version "2.88.2"
+  resolved "https://registry.yarnpkg.com/request/-/request-2.88.2.tgz#d73c918731cb5a87da047e207234146f664d12b3"
+  integrity sha512-MsvtOrfG9ZcrOwAW+Qi+F6HbD0CWXEh9ou77uOb7FM2WPhwT7smM833PzanhJLsgXjN89Ir6V2PczXNnMpwKhw==
   dependencies:
-    aws-sign2 "~0.6.0"
-    aws4 "^1.2.1"
-    caseless "~0.11.0"
-    combined-stream "~1.0.5"
-    extend "~3.0.0"
+    aws-sign2 "~0.7.0"
+    aws4 "^1.8.0"
+    caseless "~0.12.0"
+    combined-stream "~1.0.6"
+    extend "~3.0.2"
     forever-agent "~0.6.1"
-    form-data "~2.1.1"
-    har-validator "~2.0.6"
-    hawk "~3.1.3"
-    http-signature "~1.1.0"
+    form-data "~2.3.2"
+    har-validator "~5.1.3"
+    http-signature "~1.2.0"
     is-typedarray "~1.0.0"
     isstream "~0.1.2"
     json-stringify-safe "~5.0.1"
-    mime-types "~2.1.7"
-    node-uuid "~1.4.7"
-    oauth-sign "~0.8.1"
-    qs "~6.3.0"
-    stringstream "~0.0.4"
-    tough-cookie "~2.3.0"
-    tunnel-agent "~0.4.1"
+    mime-types "~2.1.19"
+    oauth-sign "~0.9.0"
+    performance-now "^2.1.0"
+    qs "~6.5.2"
+    safe-buffer "^5.1.2"
+    tough-cookie "~2.5.0"
+    tunnel-agent "^0.6.0"
+    uuid "^3.3.2"
 
-request@^2.81.0:
-  version "2.81.0"
-  resolved "https://registry.yarnpkg.com/request/-/request-2.81.0.tgz#c6928946a0e06c5f8d6f8a9333469ffda46298a0"
+request@~2.79.0:
+  version "2.79.0"
+  resolved "https://registry.yarnpkg.com/request/-/request-2.79.0.tgz#4dfe5bf6be8b8cdc37fcf93e04b65577722710de"
   dependencies:
     aws-sign2 "~0.6.0"
     aws4 "^1.2.1"
-    caseless "~0.12.0"
+    caseless "~0.11.0"
     combined-stream "~1.0.5"
     extend "~3.0.0"
     forever-agent "~0.6.1"
     form-data "~2.1.1"
-    har-validator "~4.2.1"
+    har-validator "~2.0.6"
     hawk "~3.1.3"
     http-signature "~1.1.0"
     is-typedarray "~1.0.0"
@@ -5474,12 +5641,10 @@ request@^2.81.0:
     json-stringify-safe "~5.0.1"
     mime-types "~2.1.7"
     oauth-sign "~0.8.1"
-    performance-now "^0.2.0"
-    qs "~6.4.0"
-    safe-buffer "^5.0.1"
+    qs "~6.3.0"
     stringstream "~0.0.4"
     tough-cookie "~2.3.0"
-    tunnel-agent "^0.6.0"
+    tunnel-agent "~0.4.1"
     uuid "^3.0.0"
 
 require-directory@^2.1.1:
@@ -5564,19 +5729,25 @@ safe-buffer@^5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.0.1.tgz#d263ca54696cd8a306b5ca6551e92de57918fbe7"
 
+safe-buffer@^5.1.2:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
+  integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==
+
 safe-buffer@~5.2.0:
   version "5.2.0"
   resolved "https://registry.npm.taobao.org/safe-buffer/download/safe-buffer-5.2.0.tgz#b74daec49b1148f88c64b68d49b1e815c1f2f519"
   integrity sha1-t02uxJsRSPiMZLaNSbHoFcHy9Rk=
 
-sass-graph@^2.1.1:
-  version "2.2.2"
-  resolved "https://registry.yarnpkg.com/sass-graph/-/sass-graph-2.2.2.tgz#f4d6c95b546ea2a09d14176d0fc1a07ee2b48354"
+sass-graph@^2.1.1, sass-graph@^2.2.4:
+  version "2.2.6"
+  resolved "https://registry.yarnpkg.com/sass-graph/-/sass-graph-2.2.6.tgz#09fda0e4287480e3e4967b72a2d133ba09b8d827"
+  integrity sha512-MKuEYXFSGuRSi8FZ3A7imN1CeVn9Gpw0/SFJKdL1ejXJneI9a5rwlEZrKejhEFAA3O6yr3eIyl/WuvASvlT36g==
   dependencies:
     glob "^7.0.0"
     lodash "^4.0.0"
-    scss-tokenizer "^0.2.1"
-    yargs "^6.6.0"
+    scss-tokenizer "^0.2.3"
+    yargs "^7.0.0"
 
 sass-loader@^3.1.2:
   version "3.2.3"
@@ -5590,9 +5761,10 @@ sax@~1.2.1:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.2.tgz#fd8631a23bc7826bef5d871bdb87378c95647828"
 
-scss-tokenizer@^0.2.1:
-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/scss-tokenizer/-/scss-tokenizer-0.2.1.tgz#07c0cc577bb7ab4d08fd900185adbf4bc844141d"
+scss-tokenizer@^0.2.3:
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/scss-tokenizer/-/scss-tokenizer-0.2.3.tgz#8eb06db9a9723333824d3f5530641149847ce5d1"
+  integrity sha1-jrBtualyMzOCTT9VMGQRSYR85dE=
   dependencies:
     js-base64 "^2.1.8"
     source-map "^0.4.2"
@@ -5873,6 +6045,13 @@ stack-trace@0.0.9:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.3.1.tgz#faf51b9eb74aaef3b3acf4ad5f61abf24cb7b93e"
 
+stdout-stream@^1.4.0:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/stdout-stream/-/stdout-stream-1.4.1.tgz#5ac174cdd5cd726104aa0c0b2bd83815d8d535de"
+  integrity sha512-j4emi03KXqJWcIeF8eIXkjMFN1Cmb8gUlDYGeBALLPo5qdyTfA9bOtl8m33lRoC+vFMkP3gl0WsDr6+gzxbbTA==
+  dependencies:
+    readable-stream "^2.0.1"
+
 stream-browserify@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/stream-browserify/-/stream-browserify-2.0.1.tgz#66266ee5f9bdb9940a4e4514cafb43bb71e5c9db"
@@ -6197,6 +6376,14 @@ tough-cookie@~2.3.0:
   dependencies:
     punycode "^1.4.1"
 
+tough-cookie@~2.5.0:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.5.0.tgz#cd9fb2a0aa1d5a12b473bd9fb96fa3dcff65ade2"
+  integrity sha512-nlLsUzgm1kfLXSXfRZMc1KLAugd4hqJHDTvc2hDIwS3mZAfMEuMbc03SujMF+GEcpaX/qboeycw6iO8JwVv2+g==
+  dependencies:
+    psl "^1.1.28"
+    punycode "^2.1.1"
+
 trim-newlines@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/trim-newlines/-/trim-newlines-1.0.0.tgz#5887966bb582a4503a41eb524f7d35011815a613"
@@ -6205,6 +6392,13 @@ trim-right@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
 
+"true-case-path@^1.0.2":
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/true-case-path/-/true-case-path-1.0.3.tgz#f813b5a8c86b40da59606722b144e3225799f47d"
+  integrity sha512-m6s2OdQe5wgpFMC+pAJ+q9djG82O2jcHPOI6RNg1yy9rCYR+WD6Nbpl32fDpfC56nirdRy+opFa/Vk7HYhqaew==
+  dependencies:
+    glob "^7.1.2"
+
 tryit@^1.0.1:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/tryit/-/tryit-1.0.3.tgz#393be730a9446fd1ead6da59a014308f36c289cb"
@@ -6369,6 +6563,13 @@ upper-case@^1.0.3, upper-case@^1.1.0, upper-case@^1.1.1:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/upper-case/-/upper-case-1.1.3.tgz#f6b4501c2ec4cdd26ba78be7222961de77621598"
 
+uri-js@^4.2.2:
+  version "4.4.0"
+  resolved "https://registry.yarnpkg.com/uri-js/-/uri-js-4.4.0.tgz#aa714261de793e8a82347a7bcc9ce74e86f28602"
+  integrity sha512-B0yRTzYdUCCn9n+F4+Gh4yIDtMQcaJsmYBDsTSG8g/OejKBodLQ2IHfN3bM7jUsRXndopT7OIXWdYqc1fjmV6g==
+  dependencies:
+    punycode "^2.1.0"
+
 url@^0.11.0:
   version "0.11.0"
   resolved "https://registry.yarnpkg.com/url/-/url-0.11.0.tgz#3838e97cfc60521eb73c525a8e55bfdd9e2e28f1"
@@ -6685,7 +6886,15 @@ yallist@^2.0.0:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-2.1.2.tgz#1c11f9218f076089a47dd512f93c6699a6a81d52"
 
-yargs-parser@^4.1.0, yargs-parser@^4.2.0:
+yargs-parser@5.0.0-security.0:
+  version "5.0.0-security.0"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-5.0.0-security.0.tgz#4ff7271d25f90ac15643b86076a2ab499ec9ee24"
+  integrity sha512-T69y4Ps64LNesYxeYGYPvfoMTt/7y1XtfpIslUeK4um+9Hu7hlGoRtaDLvdXb7+/tfq4opVa2HRY5xGip022rQ==
+  dependencies:
+    camelcase "^3.0.0"
+    object.assign "^4.1.0"
+
+yargs-parser@^4.1.0:
   version "4.2.1"
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-4.2.1.tgz#29cceac0dc4f03c6c87b4a9f217dd18c9f74871c"
   dependencies:
@@ -6721,9 +6930,10 @@ yargs@6.4.0:
     y18n "^3.2.1"
     yargs-parser "^4.1.0"
 
-yargs@^6.6.0:
-  version "6.6.0"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-6.6.0.tgz#782ec21ef403345f830a808ca3d513af56065208"
+yargs@^7.0.0:
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-7.1.1.tgz#67f0ef52e228d4ee0d6311acede8850f53464df6"
+  integrity sha512-huO4Fr1f9PmiJJdll5kwoS2e4GqzGSsMT3PPMpOwoVkOK8ckqAewMTZyA6LXVQWflleb/Z8oPBEvNsMft0XE+g==
   dependencies:
     camelcase "^3.0.0"
     cliui "^3.2.0"
@@ -6737,7 +6947,7 @@ yargs@^6.6.0:
     string-width "^1.0.2"
     which-module "^1.0.0"
     y18n "^3.2.1"
-    yargs-parser "^4.2.0"
+    yargs-parser "5.0.0-security.0"
 
 yargs@~3.10.0:
   version "3.10.0"