diff --git a/package-lock.json b/package-lock.json
index b65ea42..146d9b1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,12 @@
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@@ -7531,28 +5617,36 @@
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+      "resolved": "https://registry.npmjs.org/stylehacks/-/stylehacks-6.0.0.tgz",
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-        "has-flag": "^3.0.0"
+        "browserslist": "^4.21.4",
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-      "resolved": "https://registry.npmjs.org/svgo/-/svgo-0.7.2.tgz",
-      "integrity": "sha1-n1dyQTlSE1xv779Ar+ak+qiLS7U=",
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-        "sax": "~1.2.1",
-        "whet.extend": "~0.9.9"
+        "@trysound/sax": "0.2.0",
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+        "css-tree": "^2.2.1",
+        "csso": "^5.0.5",
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+          "resolved": "https://registry.npmjs.org/commander/-/commander-7.2.0.tgz",
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+        }
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@@ -7812,18 +5906,6 @@
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@@ -7882,6 +5964,16 @@
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+      "resolved": "https://registry.npmjs.org/update-browserslist-db/-/update-browserslist-db-1.0.11.tgz",
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+      "dev": true,
+      "requires": {
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+        "picocolors": "^1.0.0"
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       "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
@@ -7946,12 +6038,6 @@
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@@ -8064,12 +6150,6 @@
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-      "resolved": "https://registry.npmjs.org/whet.extend/-/whet.extend-0.9.9.tgz",
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@@ -8111,6 +6191,12 @@
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       "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
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+    },
+    "yaml": {
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+      "resolved": "https://registry.npmjs.org/yaml/-/yaml-1.10.2.tgz",
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+      "dev": true
     }
   }
 }
diff --git a/package.json b/package.json
index 4dab38d..1ec5083 100644
--- a/package.json
+++ b/package.json
@@ -19,17 +19,17 @@
   },
   "homepage": "https://github.com/closingin/closingin.github.io#readme",
   "devDependencies": {
-    "autoprefixer": "^7.1.6",
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     "babel-core": "^6.26.3",
     "babel-preset-env": "^1.7.0",
-    "cssnano": "^3.10.0",
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     "gulp-concat": "^2.6.1",
     "gulp-connect": "^5.0.0",
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-    "gulp-postcss": "^7.0.0",
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