diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index e35d936..c056bee 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -228,12 +228,6 @@
             "ms": "^2.1.1"
           }
         },
-        "lodash": {
-          "version": "4.17.19",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
-          "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==",
-          "dev": true
-        },
         "ms": {
           "version": "2.1.2",
           "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
@@ -402,12 +396,6 @@
             "lodash": "^4.17.19",
             "to-fast-properties": "^2.0.0"
           }
-        },
-        "lodash": {
-          "version": "4.17.19",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
-          "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==",
-          "dev": true
         }
       }
     },
@@ -643,12 +631,6 @@
             "ms": "^2.1.1"
           }
         },
-        "lodash": {
-          "version": "4.17.19",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
-          "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==",
-          "dev": true
-        },
         "ms": {
           "version": "2.1.2",
           "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
@@ -2344,9 +2326,9 @@
       "integrity": "sha512-5tK7EtrZ0N+OLFMthtqOj4fI2Jeb88C4CAZPu25LDVUgXJ0A3Js4PMGqrn0JU1W0Mh1/Z8wZzYPxqUrXeBboCQ=="
     },
     "clean-css": {
-      "version": "4.2.1",
-      "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-4.2.1.tgz",
-      "integrity": "sha512-4ZxI6dy4lrY6FHzfiy1aEOXgu4LIsW2MhwG0VBKdcoGoH/XLFgaHSdLTGr4O8Be6A8r3MOphEiI8Gc1n0ecf3g==",
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-4.2.3.tgz",
+      "integrity": "sha512-VcMWDN54ZN/DS+g58HYL5/n4Zrqe8vHJpGA8KdgUXFU4fuP/aHNw8eld9SyEIyabIMJX/0RaY/fplOo5hYLSFA==",
       "dev": true,
       "requires": {
         "source-map": "~0.6.0"
@@ -3039,9 +3021,9 @@
       }
     },
     "http-link-header": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/http-link-header/-/http-link-header-1.0.2.tgz",
-      "integrity": "sha512-z6YOZ8ZEnejkcCWlGZzYXNa6i+ZaTfiTg3WhlV/YvnNya3W/RbX1bMVUMTuCrg/DrtTCQxaFCkXCz4FtLpcebg==",
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/http-link-header/-/http-link-header-1.0.3.tgz",
+      "integrity": "sha512-nARK1wSKoBBrtcoESlHBx36c1Ln/gnbNQi1eB6MeTUefJIT3NvUOsV15bClga0k38f0q/kN5xxrGSDS3EFnm9w==",
       "dev": true
     },
     "http-signature": {
@@ -3473,9 +3455,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.19",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
-      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
     "lodash.once": {
       "version": "4.1.1",
@@ -4142,17 +4124,9 @@
       "requires": {
         "html-minifier": "^4.0.0",
         "http-link-header": "^1.0.2",
-        "shimport": "^1.0.1",
-        "sourcemap-codec": "^1.4.6",
+        "shimport": "^1.0.0",
+        "sourcemap-codec": "^1.4.4",
         "string-hash": "^1.1.3"
-      },
-      "dependencies": {
-        "sourcemap-codec": {
-          "version": "1.4.8",
-          "resolved": "https://registry.npmjs.org/sourcemap-codec/-/sourcemap-codec-1.4.8.tgz",
-          "integrity": "sha512-9NykojV5Uih4lgo5So5dtw+f0JgJX30KCNI8gwhz2J9A15wD0Ml6tjHKwf6fTSa6fAdVBdZeNOs9eJ71qCk8vA==",
-          "dev": true
-        }
       }
     },
     "semver": {
@@ -4469,22 +4443,10 @@
       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
     },
     "uglify-js": {
-      "version": "3.6.0",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.6.0.tgz",
-      "integrity": "sha512-W+jrUHJr3DXKhrsS7NUVxn3zqMOFn0hL/Ei6v0anCIMoKC93TjcflTagwIHLW7SfMFfiQuktQyFVCFHGUE0+yg==",
-      "dev": true,
-      "requires": {
-        "commander": "~2.20.0",
-        "source-map": "~0.6.1"
-      },
-      "dependencies": {
-        "source-map": {
-          "version": "0.6.1",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
-          "dev": true
-        }
-      }
+      "version": "3.13.6",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.13.6.tgz",
+      "integrity": "sha512-rRprLwl8RVaS+Qvx3Wh5hPfPBn9++G6xkGlUupya0s5aDmNjI7z3lnRLB3u7sN4OmbB0pWgzhM9BEJyiWAwtAA==",
+      "dev": true
     },
     "unicode-canonical-property-names-ecmascript": {
       "version": "1.0.4",