diff --git a/large-file/package-lock.json b/large-file/package-lock.json
index fa2bba08..cbe89afc 100644
--- a/large-file/package-lock.json
+++ b/large-file/package-lock.json
@@ -7401,16 +7401,37 @@
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+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-9.0.0.tgz",
+      "integrity": "sha512-bMt9puCb+xk5ds1ghr1zzfJ09+SjOcseHCEawhMjibM5KfxkodW8PQMhhEnllyj4Cz3Yixy9A+/0De2VC9R+dQ==",
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         "num2fraction": "^1.2.2",
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+        "postcss": "^7.0.0",
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+          "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001341.tgz",
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+        },
+        "postcss": {
+          "version": "7.0.39",
+          "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.39.tgz",
+          "integrity": "sha512-yioayjNbHn6z1/Bywyb2Y4s3yvDAeXGOyxqD+LnVOinq6Mdmd++SW2wUNVzavyyHxd6+DxzWGIuosg6P1Rj8uA==",
+          "requires": {
+            "picocolors": "^0.2.1",
+            "source-map": "^0.6.1"
+          }
+        },
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
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+        }
       }
     },
     "aws-sdk": {
@@ -9556,12 +9577,37 @@
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-      "version": "2.11.3",
-      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-2.11.3.tgz",
-      "integrity": "sha512-yWu5cXT7Av6mVwzWc8lMsJMHWn4xyjSuGYi4IozbVTLUOEYPSagUB8kiMDUHA1fS3zjr8nkxkn9jdvug4BBRmA==",
+      "version": "4.16.5",
+      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.16.5.tgz",
+      "integrity": "sha512-C2HAjrM1AI/djrpAUU/tr4pml1DqLIzJKSLDBXBrNErl9ZCCTXdhwxdJjYc16953+mBWf7Lw+uUJgpgb8cN71A==",
       "requires": {
-        "caniuse-lite": "^1.0.30000792",
-        "electron-to-chromium": "^1.3.30"
+        "caniuse-lite": "^1.0.30001214",
+        "colorette": "^1.2.2",
+        "electron-to-chromium": "^1.3.719",
+        "escalade": "^3.1.1",
+        "node-releases": "^1.1.71"
+      },
+      "dependencies": {
+        "caniuse-lite": {
+          "version": "1.0.30001341",
+          "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001341.tgz",
+          "integrity": "sha512-2SodVrFFtvGENGCv0ChVJIDQ0KPaS1cg7/qtfMaICgeMolDdo/Z2OD32F0Aq9yl6F4YFwGPBS5AaPqNYiW4PoA=="
+        },
+        "electron-to-chromium": {
+          "version": "1.4.137",
+          "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.4.137.tgz",
+          "integrity": "sha512-0Rcpald12O11BUogJagX3HsCN3FE83DSqWjgXoHo5a72KUKMSfI39XBgJpgNNxS9fuGzytaFjE06kZkiVFy2qA=="
+        },
+        "escalade": {
+          "version": "3.1.1",
+          "resolved": "https://registry.npmjs.org/escalade/-/escalade-3.1.1.tgz",
+          "integrity": "sha512-k0er2gUkLf8O0zKJiAhmkTnJlTvINGv7ygDNPbeIsX/TJjGJZHuh9B2UxbsaEkmlEo9MfhrSzmhIlhRlI2GXnw=="
+        },
+        "node-releases": {
+          "version": "1.1.77",
+          "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-1.1.77.tgz",
+          "integrity": "sha512-rB1DUFUNAN4Gn9keO2K1efO35IDK7yKHCdCaIMvFO7yUYmmZYeDjnGKle26G4rwj+LKRQpjyUUvMkPglwGCYNQ=="
+        }
       }
     },
     "bson": {
@@ -9868,25 +9914,14 @@
       "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo="
     },
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-      "resolved": "https://registry.npmjs.org/caniuse-api/-/caniuse-api-1.6.1.tgz",
-      "integrity": "sha1-tTTnxzTE+B7F++isoq0kNUuWLGw=",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/caniuse-api/-/caniuse-api-3.0.0.tgz",
+      "integrity": "sha512-bsTwuIg/BZZK/vreVTYYbSWoe2F+71P7K5QGEX+pT250DZbfU1MQ5prOKpPR+LL6uWKK3KMwMCAS74QB3Um1uw==",
       "requires": {
-        "browserslist": "^1.3.6",
-        "caniuse-db": "^1.0.30000529",
+        "browserslist": "^4.0.0",
+        "caniuse-lite": "^1.0.0",
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-        "browserslist": {
-          "version": "1.7.7",
-          "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-1.7.7.tgz",
-          "integrity": "sha1-C9dnBCWL6CmyOYu1Dkti0aFmsLk=",
-          "requires": {
-            "caniuse-db": "^1.0.30000639",
-            "electron-to-chromium": "^1.2.7"
-          }
-        }
       }
     },
     "caniuse-db": {
@@ -10435,6 +10470,11 @@
         "color-name": "^1.0.0"
       }
     },
+    "colorette": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/colorette/-/colorette-1.4.0.tgz",
+      "integrity": "sha512-Y2oEozpomLn7Q3HFP7dpww7AtMJplbM9lGZP6RDfHqmbeRjiwRg4n6VM6j4KLmRke85uWEI7JqF17f3pqdRA0g=="
+    },
     "colormin": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/colormin/-/colormin-1.1.2.tgz",
@@ -22654,6 +22694,17 @@
           "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-1.2.1.tgz",
           "integrity": "sha1-m7UwTS4LVmmLLHWLCKPqqdqlijk="
         },
+        "caniuse-api": {
+          "version": "1.6.1",
+          "resolved": "https://registry.npmjs.org/caniuse-api/-/caniuse-api-1.6.1.tgz",
+          "integrity": "sha512-SBTl70K0PkDUIebbkXrxWqZlHNs0wRgRD6QZ8guctShjbh63gEPfF+Wj0Yw+75f5Y8tSzqAI/NcisYv/cCah2Q==",
+          "requires": {
+            "browserslist": "^1.3.6",
+            "caniuse-db": "^1.0.30000529",
+            "lodash.memoize": "^4.1.2",
+            "lodash.uniq": "^4.5.0"
+          }
+        },
         "chalk": {
           "version": "1.1.3",
           "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
@@ -22752,6 +22803,20 @@
             "postcss-unique-selectors": "^2.0.2",
             "postcss-value-parser": "^3.2.3",
             "postcss-zindex": "^2.0.1"
+          },
+          "dependencies": {
+            "postcss-merge-rules": {
+              "version": "2.1.2",
+              "resolved": "https://registry.npmjs.org/postcss-merge-rules/-/postcss-merge-rules-2.1.2.tgz",
+              "integrity": "sha1-0d9d+qexrMO+VT8OnhDofGG19yE=",
+              "requires": {
+                "browserslist": "^1.5.2",
+                "caniuse-api": "^1.5.2",
+                "postcss": "^5.0.4",
+                "postcss-selector-parser": "^2.2.2",
+                "vendors": "^1.0.0"
+              }
+            }
           }
         },
         "enhanced-resolve": {
@@ -27794,6 +27859,11 @@
       "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
       "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns="
     },
+    "picocolors": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-0.2.1.tgz",
+      "integrity": "sha512-cMlDqaLEqfSaW8Z7N5Jw+lyIW869EzT73/F5lhtY9cLGoVxSXznfgfXMO0Z5K0o0Q2TkTXq+0KFsdnSe3jDViA=="
+    },
     "picomatch": {
       "version": "2.2.2",
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.2.2.tgz",
@@ -28643,72 +28713,26 @@
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-      "resolved": "https://registry.npmjs.org/postcss-merge-rules/-/postcss-merge-rules-2.1.2.tgz",
-      "integrity": "sha1-0d9d+qexrMO+VT8OnhDofGG19yE=",
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/postcss-merge-rules/-/postcss-merge-rules-4.0.1.tgz",
+      "integrity": "sha1-Qw/Vmz8u0uivzQsxJ47aOYVKuxA=",
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-        "caniuse-api": "^1.5.2",
-        "postcss": "^5.0.4",
-        "postcss-selector-parser": "^2.2.2",
+        "browserslist": "^4.0.0",
+        "caniuse-api": "^3.0.0",
+        "cssnano-util-same-parent": "^4.0.0",
+        "postcss": "^6.0.0",
+        "postcss-selector-parser": "^3.0.0",
         "vendors": "^1.0.0"
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-          "version": "2.2.1",
-          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
-          "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4="
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-        "browserslist": {
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-          "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-1.7.7.tgz",
-          "integrity": "sha1-C9dnBCWL6CmyOYu1Dkti0aFmsLk=",
-          "requires": {
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-        "chalk": {
-          "version": "1.1.3",
-          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
-          "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
-          "requires": {
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-            "escape-string-regexp": "^1.0.2",
-            "has-ansi": "^2.0.0",
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-              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
-              "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc="
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-        "has-flag": {
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-          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-1.0.0.tgz",
-          "integrity": "sha1-nZ55MWXOAXoA8AQYxD+UKnsdEfo="
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-          "resolved": "https://registry.npmjs.org/postcss/-/postcss-5.2.18.tgz",
-          "integrity": "sha512-zrUjRRe1bpXKsX1qAJNJjqZViErVuyEkMTRrwu4ud4sbTtIBRmtaYDrHmcGgmrbsW3MHfmtIf+vJumgQn+PrXg==",
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-          "version": "3.2.3",
-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-3.2.3.tgz",
-          "integrity": "sha1-ZawFBLOVQXHYpklGsq48u4pfVPY=",
+        "postcss-selector-parser": {
+          "version": "3.1.2",
+          "resolved": "https://registry.npmjs.org/postcss-selector-parser/-/postcss-selector-parser-3.1.2.tgz",
+          "integrity": "sha512-h7fJ/5uWuRVyOtkO45pnt1Ih40CEleeyCHzipqAZO2e5H20g25Y48uYnFUiShvY4rZWNJ/Bib/KVPmanaCtOhA==",
           "requires": {
-            "has-flag": "^1.0.0"
+            "dot-prop": "^5.2.0",
+            "indexes-of": "^1.0.1",
+            "uniq": "^1.0.1"
           }
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diff --git a/large-file/package.json b/large-file/package.json
index 0e6486e3..fe94abe7 100644
--- a/large-file/package.json
+++ b/large-file/package.json
@@ -173,7 +173,7 @@
     "async-limiter": "1.0.0",
     "asynckit": "0.4.0",
     "atob": "2.1.1",
-    "autoprefixer": "7.2.6",
+    "autoprefixer": "9.0.0",
     "aws-sdk": "2.358.0",
     "aws-sign2": "0.7.0",
     "aws4": "1.7.0",
@@ -332,7 +332,7 @@
     "browserify-rsa": "4.0.1",
     "browserify-sign": "^4.0.4",
     "browserify-zlib": "0.2.0",
-    "browserslist": "2.11.3",
+    "browserslist": "4.16.5",
     "bson": "3.0.2",
     "buffer": "4.9.1",
     "buffer-crc32": "0.2.13",
@@ -355,7 +355,7 @@
     "callsites": "0.2.0",
     "camel-case": "3.0.0",
     "camelcase": "3.0.0",
-    "caniuse-api": "1.6.1",
+    "caniuse-api": "3.0.0",
     "caniuse-db": "1.0.30000833",
     "caniuse-lite": "1.0.30000833",
     "caseless": "0.12.0",
@@ -1174,7 +1174,7 @@
     "postcss-loader": "^2.1.5",
     "postcss-merge-idents": "2.1.7",
     "postcss-merge-longhand": "2.0.2",
-    "postcss-merge-rules": "2.1.2",
+    "postcss-merge-rules": "4.0.1",
     "postcss-message-helpers": "2.0.0",
     "postcss-minify-font-values": "1.0.5",
     "postcss-minify-gradients": "1.0.5",