diff --git a/website/package-lock.json b/website/package-lock.json
index d61ea26c..b260466e 100644
--- a/website/package-lock.json
+++ b/website/package-lock.json
@@ -3128,19 +3128,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/clipboard": {
-      "version": "2.0.7",
-      "resolved": "https://registry.yarnpkg.com/clipboard/-/clipboard-2.0.7.tgz",
-      "integrity": "sha512-8M8WEZcIvs0hgOma+wAPkrUxpv0PMY1L6VsAJh/2DOKARIMpyWe6ZLcEoe1qktl6/ced5ceYHs+oGedSbgZ3sg==",
-      "dev": true,
-      "license": "MIT",
-      "optional": true,
-      "dependencies": {
-        "good-listener": "^1.2.2",
-        "select": "^1.1.2",
-        "tiny-emitter": "^2.0.0"
-      }
-    },
     "node_modules/clone-response": {
       "version": "1.0.2",
       "resolved": "https://registry.yarnpkg.com/clone-response/-/clone-response-1.0.2.tgz",
@@ -4069,14 +4056,6 @@
         "node": ">=0.4.0"
       }
     },
-    "node_modules/delegate": {
-      "version": "3.2.0",
-      "resolved": "https://registry.yarnpkg.com/delegate/-/delegate-3.2.0.tgz",
-      "integrity": "sha512-IofjkYBZaZivn0V8nnsMJGBr4jVLxHDheKSW88PyxS5QC4Vo9ZbZVvhzlSxY87fVq3STR6r+4cGepyHkcWOQSw==",
-      "dev": true,
-      "license": "MIT",
-      "optional": true
-    },
     "node_modules/depd": {
       "version": "1.1.2",
       "resolved": "https://registry.yarnpkg.com/depd/-/depd-1.1.2.tgz",
@@ -5951,17 +5930,6 @@
         "node": ">= 0.10"
       }
     },
-    "node_modules/good-listener": {
-      "version": "1.2.2",
-      "resolved": "https://registry.yarnpkg.com/good-listener/-/good-listener-1.2.2.tgz",
-      "integrity": "sha1-1TswzfkxPf+33JoNR3CWqm0UXFA=",
-      "dev": true,
-      "license": "MIT",
-      "optional": true,
-      "dependencies": {
-        "delegate": "^3.1.2"
-      }
-    },
     "node_modules/got": {
       "version": "7.1.0",
       "resolved": "https://registry.yarnpkg.com/got/-/got-7.1.0.tgz",
@@ -7378,7 +7346,6 @@
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "graceful-fs": "^4.1.6",
         "universalify": "^2.0.0"
       },
       "optionalDependencies": {
@@ -9571,16 +9538,12 @@
       }
     },
     "node_modules/prismjs": {
-      "version": "1.23.0",
-      "resolved": "https://registry.yarnpkg.com/prismjs/-/prismjs-1.23.0.tgz",
-      "integrity": "sha512-c29LVsqOaLbBHuIbsTxaKENh1N2EQBOHaWv7gkHN4dgRbxSREqDnDbtFJYdpPauS4YCplMSNCABQ6Eeor69bAA==",
+      "version": "1.27.0",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.27.0.tgz",
+      "integrity": "sha512-t13BGPUlFDR7wRB5kQDG4jjl7XeuH6jbJGt11JHPL96qwsEHNX2+68tFXqc1/k+/jALsbSWJKUOT/hcYAZ5LkA==",
       "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "clipboard": "^2.0.0"
-      },
-      "optionalDependencies": {
-        "clipboard": "^2.0.0"
+      "engines": {
+        "node": ">=6"
       }
     },
     "node_modules/process-nextick-args": {
@@ -10664,14 +10627,6 @@
         "seek-table": "bin/seek-bzip-table"
       }
     },
-    "node_modules/select": {
-      "version": "1.1.2",
-      "resolved": "https://registry.yarnpkg.com/select/-/select-1.1.2.tgz",
-      "integrity": "sha1-DnNQrN7ICxEIUoeG7B1EGNEbOW0=",
-      "dev": true,
-      "license": "MIT",
-      "optional": true
-    },
     "node_modules/semver": {
       "version": "5.7.1",
       "resolved": "https://registry.yarnpkg.com/semver/-/semver-5.7.1.tgz",
@@ -11612,14 +11567,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/tiny-emitter": {
-      "version": "2.1.0",
-      "resolved": "https://registry.yarnpkg.com/tiny-emitter/-/tiny-emitter-2.1.0.tgz",
-      "integrity": "sha512-NB6Dk1A9xgQPMoGqC5CVXn123gWyte215ONT5Pp5a0yt4nlEoO1ZWeCwpncaekPHXO60i47ihFnZPiRPjRMq4Q==",
-      "dev": true,
-      "license": "MIT",
-      "optional": true
-    },
     "node_modules/tiny-lr": {
       "version": "1.1.1",
       "resolved": "https://registry.yarnpkg.com/tiny-lr/-/tiny-lr-1.1.1.tgz",
@@ -14767,18 +14714,6 @@
       "integrity": "sha512-JR/iSQOSt+LQIWwrwEzJ9uk0xfN3mTVYMwt1Ir5mUcSN6pU+V4zQFFaJsclJbPuAUQH+yfWef6tm7l1quW3C8Q==",
       "dev": true
     },
-    "clipboard": {
-      "version": "2.0.7",
-      "resolved": "https://registry.yarnpkg.com/clipboard/-/clipboard-2.0.7.tgz",
-      "integrity": "sha512-8M8WEZcIvs0hgOma+wAPkrUxpv0PMY1L6VsAJh/2DOKARIMpyWe6ZLcEoe1qktl6/ced5ceYHs+oGedSbgZ3sg==",
-      "dev": true,
-      "optional": true,
-      "requires": {
-        "good-listener": "^1.2.2",
-        "select": "^1.1.2",
-        "tiny-emitter": "^2.0.0"
-      }
-    },
     "clone-response": {
       "version": "1.0.2",
       "resolved": "https://registry.yarnpkg.com/clone-response/-/clone-response-1.0.2.tgz",
@@ -15486,13 +15421,6 @@
       "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
       "dev": true
     },
-    "delegate": {
-      "version": "3.2.0",
-      "resolved": "https://registry.yarnpkg.com/delegate/-/delegate-3.2.0.tgz",
-      "integrity": "sha512-IofjkYBZaZivn0V8nnsMJGBr4jVLxHDheKSW88PyxS5QC4Vo9ZbZVvhzlSxY87fVq3STR6r+4cGepyHkcWOQSw==",
-      "dev": true,
-      "optional": true
-    },
     "depd": {
       "version": "1.1.2",
       "resolved": "https://registry.yarnpkg.com/depd/-/depd-1.1.2.tgz",
@@ -16869,16 +16797,6 @@
         "minimatch": "~3.0.2"
       }
     },
-    "good-listener": {
-      "version": "1.2.2",
-      "resolved": "https://registry.yarnpkg.com/good-listener/-/good-listener-1.2.2.tgz",
-      "integrity": "sha1-1TswzfkxPf+33JoNR3CWqm0UXFA=",
-      "dev": true,
-      "optional": true,
-      "requires": {
-        "delegate": "^3.1.2"
-      }
-    },
     "got": {
       "version": "7.1.0",
       "resolved": "https://registry.yarnpkg.com/got/-/got-7.1.0.tgz",
@@ -19459,13 +19377,10 @@
       "dev": true
     },
     "prismjs": {
-      "version": "1.23.0",
-      "resolved": "https://registry.yarnpkg.com/prismjs/-/prismjs-1.23.0.tgz",
-      "integrity": "sha512-c29LVsqOaLbBHuIbsTxaKENh1N2EQBOHaWv7gkHN4dgRbxSREqDnDbtFJYdpPauS4YCplMSNCABQ6Eeor69bAA==",
-      "dev": true,
-      "requires": {
-        "clipboard": "^2.0.0"
-      }
+      "version": "1.27.0",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.27.0.tgz",
+      "integrity": "sha512-t13BGPUlFDR7wRB5kQDG4jjl7XeuH6jbJGt11JHPL96qwsEHNX2+68tFXqc1/k+/jALsbSWJKUOT/hcYAZ5LkA==",
+      "dev": true
     },
     "process-nextick-args": {
       "version": "2.0.1",
@@ -20253,13 +20168,6 @@
         "commander": "^2.8.1"
       }
     },
-    "select": {
-      "version": "1.1.2",
-      "resolved": "https://registry.yarnpkg.com/select/-/select-1.1.2.tgz",
-      "integrity": "sha1-DnNQrN7ICxEIUoeG7B1EGNEbOW0=",
-      "dev": true,
-      "optional": true
-    },
     "semver": {
       "version": "5.7.1",
       "resolved": "https://registry.yarnpkg.com/semver/-/semver-5.7.1.tgz",
@@ -20967,13 +20875,6 @@
       "integrity": "sha1-QFQRqOfmM5/mTbmiNN4R3DHgK9Q=",
       "dev": true
     },
-    "tiny-emitter": {
-      "version": "2.1.0",
-      "resolved": "https://registry.yarnpkg.com/tiny-emitter/-/tiny-emitter-2.1.0.tgz",
-      "integrity": "sha512-NB6Dk1A9xgQPMoGqC5CVXn123gWyte215ONT5Pp5a0yt4nlEoO1ZWeCwpncaekPHXO60i47ihFnZPiRPjRMq4Q==",
-      "dev": true,
-      "optional": true
-    },
     "tiny-lr": {
       "version": "1.1.1",
       "resolved": "https://registry.yarnpkg.com/tiny-lr/-/tiny-lr-1.1.1.tgz",
diff --git a/website/yarn.lock b/website/yarn.lock
index 3355eee4..e3d997d6 100644
--- a/website/yarn.lock
+++ b/website/yarn.lock
@@ -1667,15 +1667,6 @@ classnames@^2.2.6:
   resolved "https://registry.yarnpkg.com/classnames/-/classnames-2.2.6.tgz#43935bffdd291f326dad0a205309b38d00f650ce"
   integrity sha512-JR/iSQOSt+LQIWwrwEzJ9uk0xfN3mTVYMwt1Ir5mUcSN6pU+V4zQFFaJsclJbPuAUQH+yfWef6tm7l1quW3C8Q==
 
-clipboard@^2.0.0:
-  version "2.0.8"
-  resolved "https://registry.yarnpkg.com/clipboard/-/clipboard-2.0.8.tgz#ffc6c103dd2967a83005f3f61976aa4655a4cdba"
-  integrity sha512-Y6WO0unAIQp5bLmk1zdThRhgJt/x3ks6f30s3oE3H1mgIEU33XyQjEf8gsf6DxC7NPX8Y1SsNWjUjL/ywLnnbQ==
-  dependencies:
-    good-listener "^1.2.2"
-    select "^1.1.2"
-    tiny-emitter "^2.0.0"
-
 clone-response@1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/clone-response/-/clone-response-1.0.2.tgz#d1dc973920314df67fbeb94223b4ee350239e96b"
@@ -2226,11 +2217,6 @@ delayed-stream@~1.0.0:
   resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
   integrity sha1-3zrhmayt+31ECqrgsp4icrJOxhk=
 
-delegate@^3.1.2:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/delegate/-/delegate-3.2.0.tgz#b66b71c3158522e8ab5744f720d8ca0c2af59166"
-  integrity sha512-IofjkYBZaZivn0V8nnsMJGBr4jVLxHDheKSW88PyxS5QC4Vo9ZbZVvhzlSxY87fVq3STR6r+4cGepyHkcWOQSw==
-
 depd@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
@@ -3282,13 +3268,6 @@ globule@^1.0.0:
     lodash "~4.17.10"
     minimatch "~3.0.2"
 
-good-listener@^1.2.2:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/good-listener/-/good-listener-1.2.2.tgz#d53b30cdf9313dffb7dc9a0d477096aa6d145c50"
-  integrity sha1-1TswzfkxPf+33JoNR3CWqm0UXFA=
-  dependencies:
-    delegate "^3.1.2"
-
 got@^7.0.0:
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/got/-/got-7.1.0.tgz#05450fd84094e6bbea56f451a43a9c289166385a"
@@ -5458,11 +5437,9 @@ prepend-http@^2.0.0:
   integrity sha1-6SQ0v6XqjBn0HN/UAddBo8gZ2Jc=
 
 prismjs@^1.22.0:
-  version "1.23.0"
-  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.23.0.tgz#d3b3967f7d72440690497652a9d40ff046067f33"
-  integrity sha512-c29LVsqOaLbBHuIbsTxaKENh1N2EQBOHaWv7gkHN4dgRbxSREqDnDbtFJYdpPauS4YCplMSNCABQ6Eeor69bAA==
-  optionalDependencies:
-    clipboard "^2.0.0"
+  version "1.27.0"
+  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.27.0.tgz#bb6ee3138a0b438a3653dd4d6ce0cc6510a45057"
+  integrity sha512-t13BGPUlFDR7wRB5kQDG4jjl7XeuH6jbJGt11JHPL96qwsEHNX2+68tFXqc1/k+/jALsbSWJKUOT/hcYAZ5LkA==
 
 process-nextick-args@~2.0.0:
   version "2.0.1"
@@ -5988,11 +5965,6 @@ seek-bzip@^1.0.5:
   dependencies:
     commander "^2.8.1"
 
-select@^1.1.2:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/select/-/select-1.1.2.tgz#0e7350acdec80b1108528786ec1d4418d11b396d"
-  integrity sha1-DnNQrN7ICxEIUoeG7B1EGNEbOW0=
-
 semver-regex@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/semver-regex/-/semver-regex-2.0.0.tgz#a93c2c5844539a770233379107b38c7b4ac9d338"
@@ -6547,11 +6519,6 @@ timsort@^0.3.0:
   resolved "https://registry.yarnpkg.com/timsort/-/timsort-0.3.0.tgz#405411a8e7e6339fe64db9a234de11dc31e02bd4"
   integrity sha1-QFQRqOfmM5/mTbmiNN4R3DHgK9Q=
 
-tiny-emitter@^2.0.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/tiny-emitter/-/tiny-emitter-2.1.0.tgz#1d1a56edfc51c43e863cbb5382a72330e3555423"
-  integrity sha512-NB6Dk1A9xgQPMoGqC5CVXn123gWyte215ONT5Pp5a0yt4nlEoO1ZWeCwpncaekPHXO60i47ihFnZPiRPjRMq4Q==
-
 tiny-lr@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/tiny-lr/-/tiny-lr-1.1.1.tgz#9fa547412f238fedb068ee295af8b682c98b2aab"