diff --git a/.postcssrc b/.postcssrc
new file mode 100644
index 0000000..0e58c48
--- /dev/null
+++ b/.postcssrc
@@ -0,0 +1,6 @@
+{
+  "modules": false,
+  "plugins": {
+    "autoprefixer": true
+  }
+}
diff --git a/cssnano.config.js b/cssnano.config.js
new file mode 100644
index 0000000..3feefd0
--- /dev/null
+++ b/cssnano.config.js
@@ -0,0 +1,11 @@
+module.exports = {
+  preset: [
+    'default',
+    {
+      calc: false,
+      discardComments: {
+        removeAll: true
+      }
+    }
+  ]
+}
diff --git a/package-lock.json b/package-lock.json
index 5771aec..d757b6f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1158,7 +1158,6 @@
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@@ -1463,6 +1462,11 @@
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       }
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+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/big.js/-/big.js-3.2.0.tgz",
+      "integrity": "sha512-+hN/Zh2D08Mx65pZ/4g5bsmNiZUuChDiQfTUQ7qJr4/kuopCr88xZsAXv6mBoZEsUI4OuGHlX59qE94K2mMW8Q=="
+    },
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       "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-1.13.0.tgz",
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-      "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
-      "dev": true
+      "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU="
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-          "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
-          "dev": true
+          "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4="
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-              "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
-              "dev": true
+              "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc="
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-          "integrity": "sha1-nZ55MWXOAXoA8AQYxD+UKnsdEfo=",
-          "dev": true
+          "integrity": "sha1-nZ55MWXOAXoA8AQYxD+UKnsdEfo="
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@@ -2211,7 +2205,6 @@
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-          "integrity": "sha1-yBSQPkViM3GgR3tAEJqq++6t27Q=",
-          "dev": true
+          "integrity": "sha1-yBSQPkViM3GgR3tAEJqq++6t27Q="
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       "dev": true
     },
+    "emojis-list": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/emojis-list/-/emojis-list-2.1.0.tgz",
+      "integrity": "sha1-TapNnbAPmBmIDHn6RXrlsJof04k="
+    },
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-      "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=",
-      "dev": true
+      "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ="
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-      "dev": true
+      "integrity": "sha512-483XLLxTVIwWK3QTrMGRqUfUpoOs/0hbQrl2oz4J0pAcm3A3bu84wxTFqGqkJzewCLdME38xJLJAxBABfQT8sQ=="
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@@ -4035,6 +4029,14 @@
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       "dev": true
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+    "generic-names": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/generic-names/-/generic-names-1.0.3.tgz",
+      "integrity": "sha1-LXhqEhruUIh2eWk56OO/+DbCCRc=",
+      "requires": {
+        "loader-utils": "^0.2.16"
+      }
+    },
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       "resolved": "https://registry.npmjs.org/get-port/-/get-port-3.2.0.tgz",
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-          "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
-          "dev": true
+          "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
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-      "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
-      "dev": true
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-      "integrity": "sha1-Bupvg2ead0njhs/h/oEq5dsiPe0=",
-      "dev": true
+      "integrity": "sha1-Bupvg2ead0njhs/h/oEq5dsiPe0="
     },
     "ieee754": {
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@@ -4947,6 +4945,24 @@
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+    "loader-utils": {
+      "version": "0.2.17",
+      "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-0.2.17.tgz",
+      "integrity": "sha1-+G5jdNQyBabmxg6RlvF8Apm/s0g=",
+      "requires": {
+        "big.js": "^3.1.3",
+        "emojis-list": "^2.0.0",
+        "json5": "^0.5.0",
+        "object-assign": "^4.0.1"
+      },
+      "dependencies": {
+        "json5": {
+          "version": "0.5.1",
+          "resolved": "https://registry.npmjs.org/json5/-/json5-0.5.1.tgz",
+          "integrity": "sha1-Hq3nrMASA0rYTiOWdn6tn6VJWCE="
+        }
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+    },
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       "dev": true
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+    "lodash.camelcase": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/lodash.camelcase/-/lodash.camelcase-4.3.0.tgz",
+      "integrity": "sha1-soqmKIorn8ZRA1x3EfZathkDMaY="
+    },
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-      "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=",
-      "dev": true
+      "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM="
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@@ -6108,11 +6125,22 @@
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+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/postcss-modules/-/postcss-modules-1.4.1.tgz",
+      "integrity": "sha512-btTrbK+Xc3NBuYF8TPBjCMRSp5h6NoQ1iVZ6WiDQENIze6KIYCSf0+UFQuV3yJ7gRHA+4AAtF8i2jRvUpbBMMg==",
+      "requires": {
+        "css-modules-loader-core": "^1.1.0",
+        "generic-names": "^1.0.3",
+        "lodash.camelcase": "^4.3.0",
+        "postcss": "^7.0.1",
+        "string-hash": "^1.1.1"
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     "regenerate": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/regenerate/-/regenerate-1.4.0.tgz",
-      "integrity": "sha512-1G6jJVDWrt0rK99kBjvEtziZNCICAuvIPkSiUFIQxVP06RCVpq3dmDo2oi6ABpYaDYaTRr67BEhL8r1wgEZZKg==",
-      "dev": true
+      "integrity": "sha512-1G6jJVDWrt0rK99kBjvEtziZNCICAuvIPkSiUFIQxVP06RCVpq3dmDo2oi6ABpYaDYaTRr67BEhL8r1wgEZZKg=="
     },
     "regenerate-unicode-properties": {
       "version": "8.0.1",
@@ -6699,14 +6715,12 @@
     "regjsgen": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/regjsgen/-/regjsgen-0.2.0.tgz",
-      "integrity": "sha1-bAFq3qxVT3WCP+N6wFuS1aTtsfc=",
-      "dev": true
+      "integrity": "sha1-bAFq3qxVT3WCP+N6wFuS1aTtsfc="
     },
     "regjsparser": {
       "version": "0.1.5",
       "resolved": "https://registry.npmjs.org/regjsparser/-/regjsparser-0.1.5.tgz",
       "integrity": "sha1-fuj4Tcb6eS0/0K4ijSS9lJ6tIFw=",
-      "dev": true,
       "requires": {
         "jsesc": "~0.5.0"
       },
@@ -6714,8 +6728,7 @@
         "jsesc": {
           "version": "0.5.0",
           "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
-          "integrity": "sha1-597mbjXW/Bb3EP6R1c9p9w8IkR0=",
-          "dev": true
+          "integrity": "sha1-597mbjXW/Bb3EP6R1c9p9w8IkR0="
         }
       }
     },
@@ -7222,8 +7235,7 @@
     "source-map": {
       "version": "0.5.7",
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
-      "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
-      "dev": true
+      "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w="
     },
     "source-map-resolve": {
       "version": "0.5.2",
@@ -7430,6 +7442,11 @@
         "xtend": "^4.0.0"
       }
     },
+    "string-hash": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/string-hash/-/string-hash-1.1.3.tgz",
+      "integrity": "sha1-6Kr8CsGFW0Zmkp7X3RJ1311sgRs="
+    },
     "string-width": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
@@ -7464,7 +7481,6 @@
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
       "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-      "dev": true,
       "requires": {
         "ansi-regex": "^2.0.0"
       },
@@ -7472,8 +7488,7 @@
         "ansi-regex": {
           "version": "2.1.1",
           "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-          "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
-          "dev": true
+          "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
         }
       }
     },
@@ -7528,7 +7543,6 @@
       "version": "5.5.0",
       "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
       "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
-      "dev": true,
       "requires": {
         "has-flag": "^3.0.0"
       }
diff --git a/package.json b/package.json
index 39b52b3..c6f42de 100644
--- a/package.json
+++ b/package.json
@@ -10,6 +10,7 @@
   },
   "dependencies": {
     "gif-writer": "^0.9.3",
+    "postcss-modules": "^1.4.1",
     "vue": "^2.6.6",
     "vuex": "^3.0.1"
   },
diff --git a/src/assets/css/4-modules/options.css b/src/assets/css/4-modules/options.css
index ea31856..97fc8cf 100644
--- a/src/assets/css/4-modules/options.css
+++ b/src/assets/css/4-modules/options.css
@@ -15,8 +15,6 @@
 
 .options__select,
 .options__btn {
-  -moz-appearance: none;
-  -webkit-appearance: none;
   appearance: none;
   padding: 2rem;
   border: .1rem solid transparent;