diff --git a/advanced/package.json b/advanced/package.json
index 323dfd8e..b5517bd2 100644
--- a/advanced/package.json
+++ b/advanced/package.json
@@ -27,7 +27,7 @@
     "vue-template-compiler": "2.7.16"
   },
   "devDependencies": {
-    "autoprefixer": "8.6.5",
+    "autoprefixer": "10.4.21",
     "babel-core": "6.26.3",
     "babel-helper-vue-jsx-merge-props": "2.0.3",
     "babel-loader": "7.1.5",
diff --git a/advanced/yarn.lock b/advanced/yarn.lock
index 658ae822..ffbe10ff 100644
--- a/advanced/yarn.lock
+++ b/advanced/yarn.lock
@@ -406,16 +406,17 @@ atob@^2.0.0:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/atob/-/atob-2.0.3.tgz#19c7a760473774468f20b2d2d03372ad7d4cbf5d"
 
-autoprefixer@8.6.5:
-  version "8.6.5"
-  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-8.6.5.tgz#343f3d193ed568b3208e00117a1b96eb691d4ee9"
-  dependencies:
-    browserslist "^3.2.8"
-    caniuse-lite "^1.0.30000864"
+autoprefixer@10.4.21:
+  version "10.4.21"
+  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-10.4.21.tgz#77189468e7a8ad1d9a37fbc08efc9f480cf0a95d"
+  integrity sha512-O+A6LWV5LDHSJD3LjHYoNi4VLsj/Whi7k6zG12xTYaU4cQ8oxQGckXNX8cRHK5yOZ/ppVHe0ZBXGzSV9jXdVbQ==
+  dependencies:
+    browserslist "^4.24.4"
+    caniuse-lite "^1.0.30001702"
+    fraction.js "^4.3.7"
     normalize-range "^0.1.2"
-    num2fraction "^1.2.2"
-    postcss "^6.0.23"
-    postcss-value-parser "^3.2.3"
+    picocolors "^1.1.1"
+    postcss-value-parser "^4.2.0"
 
 autoprefixer@^6.3.1:
   version "6.7.7"
@@ -1257,12 +1258,15 @@ browserslist@^3.2.6:
     caniuse-lite "^1.0.30000830"
     electron-to-chromium "^1.3.42"
 
-browserslist@^3.2.8:
-  version "3.2.8"
-  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-3.2.8.tgz#b0005361d6471f0f5952797a76fc985f1f978fc6"
+browserslist@^4.24.4:
+  version "4.25.2"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.25.2.tgz#90c1507143742d743544ae6e92bca3348adff667"
+  integrity sha512-0si2SJK3ooGzIawRu61ZdPCO1IncZwS8IzuX73sPZsXW6EQ/w/DAfPyKI8l1ETTCr2MnvqWitmlCUxgdul45jA==
   dependencies:
-    caniuse-lite "^1.0.30000844"
-    electron-to-chromium "^1.3.47"
+    caniuse-lite "^1.0.30001733"
+    electron-to-chromium "^1.5.199"
+    node-releases "^2.0.19"
+    update-browserslist-db "^1.1.3"
 
 buffer-indexof@^1.0.0:
   version "1.1.1"
@@ -1371,13 +1375,10 @@ caniuse-lite@^1.0.30000830:
   version "1.0.30000830"
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000830.tgz#cb96b8a2dd3cbfe04acea2af3c4e894249095328"
 
-caniuse-lite@^1.0.30000844:
-  version "1.0.30000846"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000846.tgz#2092911eecad71a89dae1faa62bcc202fde7f959"
-
-caniuse-lite@^1.0.30000864:
-  version "1.0.30000864"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000864.tgz#7a08c78da670f23c06f11aa918831b8f2dd60ddc"
+caniuse-lite@^1.0.30001702, caniuse-lite@^1.0.30001733:
+  version "1.0.30001734"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001734.tgz#f97e08599e2d75664543ae4b6ef25dc2183c5cc6"
+  integrity sha512-uhE1Ye5vgqju6OI71HTQqcBCZrvHugk0MjLak7Q+HfoBgoq5Bi+5YnwjP4fjDgrtYr/l8MVRBvzz9dPD4KyK0A==
 
 caseless@~0.12.0:
   version "0.12.0"
@@ -1416,14 +1417,6 @@ chalk@^2.0.1, chalk@^2.3.0, chalk@^2.3.1:
     escape-string-regexp "^1.0.5"
     supports-color "^5.2.0"
 
-chalk@^2.4.1:
-  version "2.4.1"
-  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.1.tgz#18c49ab16a037b6eb0152cc83e3471338215b66e"
-  dependencies:
-    ansi-styles "^3.2.1"
-    escape-string-regexp "^1.0.5"
-    supports-color "^5.3.0"
-
 check-types@^7.3.0:
   version "7.3.0"
   resolved "https://registry.yarnpkg.com/check-types/-/check-types-7.3.0.tgz#468f571a4435c24248f5fd0cb0e8d87c3c341e7d"
@@ -2175,9 +2168,10 @@ electron-to-chromium@^1.3.42:
   version "1.3.44"
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.44.tgz#ef6b150a60d523082388cadad88085ecd2fd4684"
 
-electron-to-chromium@^1.3.47:
-  version "1.3.48"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.48.tgz#d3b0d8593814044e092ece2108fc3ac9aea4b900"
+electron-to-chromium@^1.5.199:
+  version "1.5.200"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.5.200.tgz#adffa5db97390ce9d48987f528117a608ed0d7c9"
+  integrity sha512-rFCxROw7aOe4uPTfIAx+rXv9cEcGx+buAF4npnhtTqCJk5KDFRnh3+KYj7rdVh6lsFt5/aPs+Irj9rZ33WMA7w==
 
 elliptic@^6.0.0:
   version "6.4.0"
@@ -2312,6 +2306,11 @@ es6-weak-map@^2.0.1:
     es6-iterator "^2.0.1"
     es6-symbol "^3.1.1"
 
+escalade@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/escalade/-/escalade-3.2.0.tgz#011a3f69856ba189dffa7dc8fcce99d2a87903e5"
+  integrity sha512-WUj2qlxaQtO4g6Pq5c29GTcWGDyd8itL8zTlipgECz3JesAiiOKotd8JU6otB3PACgG6xkJUyVhboMS+bje/jA==
+
 escape-html@~1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
@@ -2646,6 +2645,11 @@ forwarded@~0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.1.2.tgz#98c23dab1175657b8c0573e8ceccd91b0ff18c84"
 
+fraction.js@^4.3.7:
+  version "4.3.7"
+  resolved "https://registry.yarnpkg.com/fraction.js/-/fraction.js-4.3.7.tgz#06ca0085157e42fda7f9e726e79fefc4068840f7"
+  integrity sha512-ZsDfxO51wGAXREY55a7la9LScWpwv9RxIrYABrlvOFBlH/ShPnrtsXeuUIfXKKOVicNxQ+o8JTbJvjS4M89yew==
+
 fragment-cache@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/fragment-cache/-/fragment-cache-0.2.1.tgz#4290fad27f13e89be7f33799c6bc5a0abfff0d19"
@@ -4128,6 +4132,11 @@ node-pre-gyp@^0.6.39:
     tar "^2.2.1"
     tar-pack "^3.4.0"
 
+node-releases@^2.0.19:
+  version "2.0.19"
+  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-2.0.19.tgz#9e445a52950951ec4d177d843af370b411caf314"
+  integrity sha512-xxOWJsBKtzAq7DY0J+DTzuz58K8e7sJbdgwkbMWQe8UYB6ekmsQ45q0M/tJDsGaZmbC+l7n57UV8Hl5tHxO9uw==
+
 nopt@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/nopt/-/nopt-4.0.1.tgz#d0d4685afd5415193c8c7505602d0d17cd64474d"
@@ -4508,6 +4517,11 @@ picocolors@^1.0.0:
   resolved "https://registry.yarnpkg.com/picocolors/-/picocolors-1.0.0.tgz#cb5bdc74ff3f51892236eaf79d68bc44564ab81c"
   integrity sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==
 
+picocolors@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/picocolors/-/picocolors-1.1.1.tgz#3d321af3eab939b083c8f929a1d12cda81c26b6b"
+  integrity sha512-xceH2snhtb5M9liqDsmEw56le376mTZkEX/jEb/RxNFyegNul7eNslCXP9FDj/Lcu0X8KEyMceP2ntpaHrDEVA==
+
 pify@^2.0.0, pify@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
@@ -4832,6 +4846,11 @@ postcss-value-parser@^3.0.1, postcss-value-parser@^3.0.2, postcss-value-parser@^
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-3.3.0.tgz#87f38f9f18f774a4ab4c8a232f5c5ce8872a9d15"
 
+postcss-value-parser@^4.2.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-4.2.0.tgz#723c09920836ba6d3e5af019f92bc0971c02e514"
+  integrity sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==
+
 postcss-zindex@^2.0.1:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/postcss-zindex/-/postcss-zindex-2.2.0.tgz#d2109ddc055b91af67fc4cb3b025946639d2af22"
@@ -4857,14 +4876,6 @@ postcss@^6.0.0, postcss@^6.0.1, postcss@^6.0.8:
     source-map "^0.6.1"
     supports-color "^5.2.0"
 
-postcss@^6.0.23:
-  version "6.0.23"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-6.0.23.tgz#61c82cc328ac60e677645f979054eb98bc0e3324"
-  dependencies:
-    chalk "^2.4.1"
-    source-map "^0.6.1"
-    supports-color "^5.4.0"
-
 postcss@^8.4.14:
   version "8.4.38"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.38.tgz#b387d533baf2054288e337066d81c6bee9db9e0e"
@@ -5876,12 +5887,6 @@ supports-color@^5.3.0:
   dependencies:
     has-flag "^3.0.0"
 
-supports-color@^5.4.0:
-  version "5.4.0"
-  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.4.0.tgz#1c6b337402c2137605efe19f10fec390f6faab54"
-  dependencies:
-    has-flag "^3.0.0"
-
 svgo@^0.7.0:
   version "0.7.2"
   resolved "https://registry.yarnpkg.com/svgo/-/svgo-0.7.2.tgz#9f5772413952135c6fefbf40afe6a4faa88b4bb5"
@@ -6174,6 +6179,14 @@ upath@^1.1.1:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/upath/-/upath-1.1.2.tgz#3db658600edaeeccbe6db5e684d67ee8c2acd068"
 
+update-browserslist-db@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/update-browserslist-db/-/update-browserslist-db-1.1.3.tgz#348377dd245216f9e7060ff50b15a1b740b75420"
+  integrity sha512-UxhIZQ+QInVdunkDAaiazvvT/+fXL5Osr0JZlJulepYu6Jd7qJtDZjlur0emRlT71EN3ScPoE7gvsuIKKNavKw==
+  dependencies:
+    escalade "^3.2.0"
+    picocolors "^1.1.1"
+
 upper-case@^1.1.1:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/upper-case/-/upper-case-1.1.3.tgz#f6b4501c2ec4cdd26ba78be7222961de77621598"
diff --git a/basic/package.json b/basic/package.json
index 371aea4d..2587f50d 100644
--- a/basic/package.json
+++ b/basic/package.json
@@ -23,7 +23,7 @@
     "vue-template-compiler": "2.7.16"
   },
   "devDependencies": {
-    "autoprefixer": "8.6.5",
+    "autoprefixer": "10.4.21",
     "babel-core": "6.26.3",
     "babel-helper-vue-jsx-merge-props": "2.0.3",
     "babel-loader": "7.1.5",
diff --git a/basic/yarn.lock b/basic/yarn.lock
index d2ddaab5..d213aa51 100644
--- a/basic/yarn.lock
+++ b/basic/yarn.lock
@@ -414,16 +414,17 @@ atob@^2.0.0:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/atob/-/atob-2.0.3.tgz#19c7a760473774468f20b2d2d03372ad7d4cbf5d"
 
-autoprefixer@8.6.5:
-  version "8.6.5"
-  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-8.6.5.tgz#343f3d193ed568b3208e00117a1b96eb691d4ee9"
-  dependencies:
-    browserslist "^3.2.8"
-    caniuse-lite "^1.0.30000864"
+autoprefixer@10.4.21:
+  version "10.4.21"
+  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-10.4.21.tgz#77189468e7a8ad1d9a37fbc08efc9f480cf0a95d"
+  integrity sha512-O+A6LWV5LDHSJD3LjHYoNi4VLsj/Whi7k6zG12xTYaU4cQ8oxQGckXNX8cRHK5yOZ/ppVHe0ZBXGzSV9jXdVbQ==
+  dependencies:
+    browserslist "^4.24.4"
+    caniuse-lite "^1.0.30001702"
+    fraction.js "^4.3.7"
     normalize-range "^0.1.2"
-    num2fraction "^1.2.2"
-    postcss "^6.0.23"
-    postcss-value-parser "^3.2.3"
+    picocolors "^1.1.1"
+    postcss-value-parser "^4.2.0"
 
 autoprefixer@^6.3.1:
   version "6.7.7"
@@ -1265,12 +1266,15 @@ browserslist@^3.2.6:
     caniuse-lite "^1.0.30000830"
     electron-to-chromium "^1.3.42"
 
-browserslist@^3.2.8:
-  version "3.2.8"
-  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-3.2.8.tgz#b0005361d6471f0f5952797a76fc985f1f978fc6"
+browserslist@^4.24.4:
+  version "4.25.2"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.25.2.tgz#90c1507143742d743544ae6e92bca3348adff667"
+  integrity sha512-0si2SJK3ooGzIawRu61ZdPCO1IncZwS8IzuX73sPZsXW6EQ/w/DAfPyKI8l1ETTCr2MnvqWitmlCUxgdul45jA==
   dependencies:
-    caniuse-lite "^1.0.30000844"
-    electron-to-chromium "^1.3.47"
+    caniuse-lite "^1.0.30001733"
+    electron-to-chromium "^1.5.199"
+    node-releases "^2.0.19"
+    update-browserslist-db "^1.1.3"
 
 buffer-indexof@^1.0.0:
   version "1.1.1"
@@ -1389,13 +1393,10 @@ caniuse-lite@^1.0.30000830:
   version "1.0.30000830"
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000830.tgz#cb96b8a2dd3cbfe04acea2af3c4e894249095328"
 
-caniuse-lite@^1.0.30000844:
-  version "1.0.30000846"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000846.tgz#2092911eecad71a89dae1faa62bcc202fde7f959"
-
-caniuse-lite@^1.0.30000864:
-  version "1.0.30000864"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000864.tgz#7a08c78da670f23c06f11aa918831b8f2dd60ddc"
+caniuse-lite@^1.0.30001702, caniuse-lite@^1.0.30001733:
+  version "1.0.30001734"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001734.tgz#f97e08599e2d75664543ae4b6ef25dc2183c5cc6"
+  integrity sha512-uhE1Ye5vgqju6OI71HTQqcBCZrvHugk0MjLak7Q+HfoBgoq5Bi+5YnwjP4fjDgrtYr/l8MVRBvzz9dPD4KyK0A==
 
 caseless@~0.12.0:
   version "0.12.0"
@@ -1434,14 +1435,6 @@ chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0, chalk@^2.3.0, chalk@^2.3.1:
     escape-string-regexp "^1.0.5"
     supports-color "^5.2.0"
 
-chalk@^2.4.1:
-  version "2.4.1"
-  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.1.tgz#18c49ab16a037b6eb0152cc83e3471338215b66e"
-  dependencies:
-    ansi-styles "^3.2.1"
-    escape-string-regexp "^1.0.5"
-    supports-color "^5.3.0"
-
 chardet@^0.4.0:
   version "0.4.2"
   resolved "https://registry.yarnpkg.com/chardet/-/chardet-0.4.2.tgz#b5473b33dc97c424e5d98dc87d55d4d8a29c8bf2"
@@ -2227,9 +2220,10 @@ electron-to-chromium@^1.3.42:
   version "1.3.44"
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.44.tgz#ef6b150a60d523082388cadad88085ecd2fd4684"
 
-electron-to-chromium@^1.3.47:
-  version "1.3.48"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.48.tgz#d3b0d8593814044e092ece2108fc3ac9aea4b900"
+electron-to-chromium@^1.5.199:
+  version "1.5.200"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.5.200.tgz#adffa5db97390ce9d48987f528117a608ed0d7c9"
+  integrity sha512-rFCxROw7aOe4uPTfIAx+rXv9cEcGx+buAF4npnhtTqCJk5KDFRnh3+KYj7rdVh6lsFt5/aPs+Irj9rZ33WMA7w==
 
 elliptic@^6.0.0:
   version "6.4.0"
@@ -2364,6 +2358,11 @@ es6-weak-map@^2.0.1:
     es6-iterator "^2.0.1"
     es6-symbol "^3.1.1"
 
+escalade@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/escalade/-/escalade-3.2.0.tgz#011a3f69856ba189dffa7dc8fcce99d2a87903e5"
+  integrity sha512-WUj2qlxaQtO4g6Pq5c29GTcWGDyd8itL8zTlipgECz3JesAiiOKotd8JU6otB3PACgG6xkJUyVhboMS+bje/jA==
+
 escape-html@~1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
@@ -2812,6 +2811,11 @@ forwarded@~0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.1.2.tgz#98c23dab1175657b8c0573e8ceccd91b0ff18c84"
 
+fraction.js@^4.3.7:
+  version "4.3.7"
+  resolved "https://registry.yarnpkg.com/fraction.js/-/fraction.js-4.3.7.tgz#06ca0085157e42fda7f9e726e79fefc4068840f7"
+  integrity sha512-ZsDfxO51wGAXREY55a7la9LScWpwv9RxIrYABrlvOFBlH/ShPnrtsXeuUIfXKKOVicNxQ+o8JTbJvjS4M89yew==
+
 fragment-cache@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/fragment-cache/-/fragment-cache-0.2.1.tgz#4290fad27f13e89be7f33799c6bc5a0abfff0d19"
@@ -4354,6 +4358,11 @@ node-pre-gyp@^0.6.39:
     tar "^2.2.1"
     tar-pack "^3.4.0"
 
+node-releases@^2.0.19:
+  version "2.0.19"
+  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-2.0.19.tgz#9e445a52950951ec4d177d843af370b411caf314"
+  integrity sha512-xxOWJsBKtzAq7DY0J+DTzuz58K8e7sJbdgwkbMWQe8UYB6ekmsQ45q0M/tJDsGaZmbC+l7n57UV8Hl5tHxO9uw==
+
 nopt@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/nopt/-/nopt-4.0.1.tgz#d0d4685afd5415193c8c7505602d0d17cd64474d"
@@ -4745,6 +4754,11 @@ picocolors@^1.0.0:
   resolved "https://registry.yarnpkg.com/picocolors/-/picocolors-1.0.0.tgz#cb5bdc74ff3f51892236eaf79d68bc44564ab81c"
   integrity sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==
 
+picocolors@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/picocolors/-/picocolors-1.1.1.tgz#3d321af3eab939b083c8f929a1d12cda81c26b6b"
+  integrity sha512-xceH2snhtb5M9liqDsmEw56le376mTZkEX/jEb/RxNFyegNul7eNslCXP9FDj/Lcu0X8KEyMceP2ntpaHrDEVA==
+
 pify@^2.0.0, pify@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
@@ -5073,6 +5087,11 @@ postcss-value-parser@^3.0.1, postcss-value-parser@^3.0.2, postcss-value-parser@^
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-3.3.0.tgz#87f38f9f18f774a4ab4c8a232f5c5ce8872a9d15"
 
+postcss-value-parser@^4.2.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-4.2.0.tgz#723c09920836ba6d3e5af019f92bc0971c02e514"
+  integrity sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==
+
 postcss-zindex@^2.0.1:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/postcss-zindex/-/postcss-zindex-2.2.0.tgz#d2109ddc055b91af67fc4cb3b025946639d2af22"
@@ -5098,14 +5117,6 @@ postcss@^6.0.0, postcss@^6.0.1, postcss@^6.0.8:
     source-map "^0.6.1"
     supports-color "^5.2.0"
 
-postcss@^6.0.23:
-  version "6.0.23"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-6.0.23.tgz#61c82cc328ac60e677645f979054eb98bc0e3324"
-  dependencies:
-    chalk "^2.4.1"
-    source-map "^0.6.1"
-    supports-color "^5.4.0"
-
 postcss@^8.4.14:
   version "8.4.38"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.38.tgz#b387d533baf2054288e337066d81c6bee9db9e0e"
@@ -6162,12 +6173,6 @@ supports-color@^5.3.0:
   dependencies:
     has-flag "^3.0.0"
 
-supports-color@^5.4.0:
-  version "5.4.0"
-  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.4.0.tgz#1c6b337402c2137605efe19f10fec390f6faab54"
-  dependencies:
-    has-flag "^3.0.0"
-
 svgo@^0.7.0:
   version "0.7.2"
   resolved "https://registry.yarnpkg.com/svgo/-/svgo-0.7.2.tgz#9f5772413952135c6fefbf40afe6a4faa88b4bb5"
@@ -6491,6 +6496,14 @@ upath@^1.1.1:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/upath/-/upath-1.1.2.tgz#3db658600edaeeccbe6db5e684d67ee8c2acd068"
 
+update-browserslist-db@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/update-browserslist-db/-/update-browserslist-db-1.1.3.tgz#348377dd245216f9e7060ff50b15a1b740b75420"
+  integrity sha512-UxhIZQ+QInVdunkDAaiazvvT/+fXL5Osr0JZlJulepYu6Jd7qJtDZjlur0emRlT71EN3ScPoE7gvsuIKKNavKw==
+  dependencies:
+    escalade "^3.2.0"
+    picocolors "^1.1.1"
+
 upper-case@^1.1.1:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/upper-case/-/upper-case-1.1.3.tgz#f6b4501c2ec4cdd26ba78be7222961de77621598"
diff --git a/minimal/package.json b/minimal/package.json
index 5b1ba658..75f97b63 100644
--- a/minimal/package.json
+++ b/minimal/package.json
@@ -20,7 +20,7 @@
     "vue-template-compiler": "2.7.16"
   },
   "devDependencies": {
-    "autoprefixer": "8.6.5",
+    "autoprefixer": "10.4.21",
     "babel-core": "6.26.3",
     "babel-helper-vue-jsx-merge-props": "2.0.3",
     "babel-loader": "7.1.5",
diff --git a/minimal/yarn.lock b/minimal/yarn.lock
index 150df824..babae716 100644
--- a/minimal/yarn.lock
+++ b/minimal/yarn.lock
@@ -407,16 +407,17 @@ atob@^2.0.0:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/atob/-/atob-2.0.3.tgz#19c7a760473774468f20b2d2d03372ad7d4cbf5d"
 
-autoprefixer@8.6.5:
-  version "8.6.5"
-  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-8.6.5.tgz#343f3d193ed568b3208e00117a1b96eb691d4ee9"
-  dependencies:
-    browserslist "^3.2.8"
-    caniuse-lite "^1.0.30000864"
+autoprefixer@10.4.21:
+  version "10.4.21"
+  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-10.4.21.tgz#77189468e7a8ad1d9a37fbc08efc9f480cf0a95d"
+  integrity sha512-O+A6LWV5LDHSJD3LjHYoNi4VLsj/Whi7k6zG12xTYaU4cQ8oxQGckXNX8cRHK5yOZ/ppVHe0ZBXGzSV9jXdVbQ==
+  dependencies:
+    browserslist "^4.24.4"
+    caniuse-lite "^1.0.30001702"
+    fraction.js "^4.3.7"
     normalize-range "^0.1.2"
-    num2fraction "^1.2.2"
-    postcss "^6.0.23"
-    postcss-value-parser "^3.2.3"
+    picocolors "^1.1.1"
+    postcss-value-parser "^4.2.0"
 
 autoprefixer@^6.3.1:
   version "6.7.7"
@@ -1254,12 +1255,15 @@ browserslist@^3.2.6:
     caniuse-lite "^1.0.30000830"
     electron-to-chromium "^1.3.42"
 
-browserslist@^3.2.8:
-  version "3.2.8"
-  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-3.2.8.tgz#b0005361d6471f0f5952797a76fc985f1f978fc6"
+browserslist@^4.24.4:
+  version "4.25.2"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.25.2.tgz#90c1507143742d743544ae6e92bca3348adff667"
+  integrity sha512-0si2SJK3ooGzIawRu61ZdPCO1IncZwS8IzuX73sPZsXW6EQ/w/DAfPyKI8l1ETTCr2MnvqWitmlCUxgdul45jA==
   dependencies:
-    caniuse-lite "^1.0.30000844"
-    electron-to-chromium "^1.3.47"
+    caniuse-lite "^1.0.30001733"
+    electron-to-chromium "^1.5.199"
+    node-releases "^2.0.19"
+    update-browserslist-db "^1.1.3"
 
 buffer-indexof@^1.0.0:
   version "1.1.1"
@@ -1378,13 +1382,10 @@ caniuse-lite@^1.0.30000830:
   version "1.0.30000830"
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000830.tgz#cb96b8a2dd3cbfe04acea2af3c4e894249095328"
 
-caniuse-lite@^1.0.30000844:
-  version "1.0.30000846"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000846.tgz#2092911eecad71a89dae1faa62bcc202fde7f959"
-
-caniuse-lite@^1.0.30000864:
-  version "1.0.30000864"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000864.tgz#7a08c78da670f23c06f11aa918831b8f2dd60ddc"
+caniuse-lite@^1.0.30001702, caniuse-lite@^1.0.30001733:
+  version "1.0.30001734"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001734.tgz#f97e08599e2d75664543ae4b6ef25dc2183c5cc6"
+  integrity sha512-uhE1Ye5vgqju6OI71HTQqcBCZrvHugk0MjLak7Q+HfoBgoq5Bi+5YnwjP4fjDgrtYr/l8MVRBvzz9dPD4KyK0A==
 
 caseless@~0.12.0:
   version "0.12.0"
@@ -1423,14 +1424,6 @@ chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0, chalk@^2.3.0, chalk@^2.3.1:
     escape-string-regexp "^1.0.5"
     supports-color "^5.2.0"
 
-chalk@^2.4.1:
-  version "2.4.1"
-  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.1.tgz#18c49ab16a037b6eb0152cc83e3471338215b66e"
-  dependencies:
-    ansi-styles "^3.2.1"
-    escape-string-regexp "^1.0.5"
-    supports-color "^5.3.0"
-
 chardet@^0.4.0:
   version "0.4.2"
   resolved "https://registry.yarnpkg.com/chardet/-/chardet-0.4.2.tgz#b5473b33dc97c424e5d98dc87d55d4d8a29c8bf2"
@@ -2216,9 +2209,10 @@ electron-to-chromium@^1.3.42:
   version "1.3.44"
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.44.tgz#ef6b150a60d523082388cadad88085ecd2fd4684"
 
-electron-to-chromium@^1.3.47:
-  version "1.3.48"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.48.tgz#d3b0d8593814044e092ece2108fc3ac9aea4b900"
+electron-to-chromium@^1.5.199:
+  version "1.5.200"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.5.200.tgz#adffa5db97390ce9d48987f528117a608ed0d7c9"
+  integrity sha512-rFCxROw7aOe4uPTfIAx+rXv9cEcGx+buAF4npnhtTqCJk5KDFRnh3+KYj7rdVh6lsFt5/aPs+Irj9rZ33WMA7w==
 
 elliptic@^6.0.0:
   version "6.4.0"
@@ -2353,6 +2347,11 @@ es6-weak-map@^2.0.1:
     es6-iterator "^2.0.1"
     es6-symbol "^3.1.1"
 
+escalade@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/escalade/-/escalade-3.2.0.tgz#011a3f69856ba189dffa7dc8fcce99d2a87903e5"
+  integrity sha512-WUj2qlxaQtO4g6Pq5c29GTcWGDyd8itL8zTlipgECz3JesAiiOKotd8JU6otB3PACgG6xkJUyVhboMS+bje/jA==
+
 escape-html@~1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
@@ -2801,6 +2800,11 @@ forwarded@~0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.1.2.tgz#98c23dab1175657b8c0573e8ceccd91b0ff18c84"
 
+fraction.js@^4.3.7:
+  version "4.3.7"
+  resolved "https://registry.yarnpkg.com/fraction.js/-/fraction.js-4.3.7.tgz#06ca0085157e42fda7f9e726e79fefc4068840f7"
+  integrity sha512-ZsDfxO51wGAXREY55a7la9LScWpwv9RxIrYABrlvOFBlH/ShPnrtsXeuUIfXKKOVicNxQ+o8JTbJvjS4M89yew==
+
 fragment-cache@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/fragment-cache/-/fragment-cache-0.2.1.tgz#4290fad27f13e89be7f33799c6bc5a0abfff0d19"
@@ -4343,6 +4347,11 @@ node-pre-gyp@^0.6.39:
     tar "^2.2.1"
     tar-pack "^3.4.0"
 
+node-releases@^2.0.19:
+  version "2.0.19"
+  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-2.0.19.tgz#9e445a52950951ec4d177d843af370b411caf314"
+  integrity sha512-xxOWJsBKtzAq7DY0J+DTzuz58K8e7sJbdgwkbMWQe8UYB6ekmsQ45q0M/tJDsGaZmbC+l7n57UV8Hl5tHxO9uw==
+
 nopt@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/nopt/-/nopt-4.0.1.tgz#d0d4685afd5415193c8c7505602d0d17cd64474d"
@@ -4734,6 +4743,11 @@ picocolors@^1.0.0:
   resolved "https://registry.yarnpkg.com/picocolors/-/picocolors-1.0.0.tgz#cb5bdc74ff3f51892236eaf79d68bc44564ab81c"
   integrity sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==
 
+picocolors@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/picocolors/-/picocolors-1.1.1.tgz#3d321af3eab939b083c8f929a1d12cda81c26b6b"
+  integrity sha512-xceH2snhtb5M9liqDsmEw56le376mTZkEX/jEb/RxNFyegNul7eNslCXP9FDj/Lcu0X8KEyMceP2ntpaHrDEVA==
+
 pify@^2.0.0, pify@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
@@ -5062,6 +5076,11 @@ postcss-value-parser@^3.0.1, postcss-value-parser@^3.0.2, postcss-value-parser@^
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-3.3.0.tgz#87f38f9f18f774a4ab4c8a232f5c5ce8872a9d15"
 
+postcss-value-parser@^4.2.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-4.2.0.tgz#723c09920836ba6d3e5af019f92bc0971c02e514"
+  integrity sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==
+
 postcss-zindex@^2.0.1:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/postcss-zindex/-/postcss-zindex-2.2.0.tgz#d2109ddc055b91af67fc4cb3b025946639d2af22"
@@ -5087,14 +5106,6 @@ postcss@^6.0.0, postcss@^6.0.1, postcss@^6.0.8:
     source-map "^0.6.1"
     supports-color "^5.2.0"
 
-postcss@^6.0.23:
-  version "6.0.23"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-6.0.23.tgz#61c82cc328ac60e677645f979054eb98bc0e3324"
-  dependencies:
-    chalk "^2.4.1"
-    source-map "^0.6.1"
-    supports-color "^5.4.0"
-
 postcss@^8.4.14:
   version "8.4.38"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.38.tgz#b387d533baf2054288e337066d81c6bee9db9e0e"
@@ -6140,12 +6151,6 @@ supports-color@^5.3.0:
   dependencies:
     has-flag "^3.0.0"
 
-supports-color@^5.4.0:
-  version "5.4.0"
-  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.4.0.tgz#1c6b337402c2137605efe19f10fec390f6faab54"
-  dependencies:
-    has-flag "^3.0.0"
-
 svgo@^0.7.0:
   version "0.7.2"
   resolved "https://registry.yarnpkg.com/svgo/-/svgo-0.7.2.tgz#9f5772413952135c6fefbf40afe6a4faa88b4bb5"
@@ -6469,6 +6474,14 @@ upath@^1.1.1:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/upath/-/upath-1.1.2.tgz#3db658600edaeeccbe6db5e684d67ee8c2acd068"
 
+update-browserslist-db@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/update-browserslist-db/-/update-browserslist-db-1.1.3.tgz#348377dd245216f9e7060ff50b15a1b740b75420"
+  integrity sha512-UxhIZQ+QInVdunkDAaiazvvT/+fXL5Osr0JZlJulepYu6Jd7qJtDZjlur0emRlT71EN3ScPoE7gvsuIKKNavKw==
+  dependencies:
+    escalade "^3.2.0"
+    picocolors "^1.1.1"
+
 upper-case@^1.1.1:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/upper-case/-/upper-case-1.1.3.tgz#f6b4501c2ec4cdd26ba78be7222961de77621598"