diff --git a/.stylelintrc b/.stylelintrc
index 68eac2fb6..71eff47b1 100644
--- a/.stylelintrc
+++ b/.stylelintrc
@@ -1 +1,9 @@
-extends: stylelint-config-stylishthemes
+extends: stylelint-config-silverwind
+
+rules:
+  block-no-empty: null
+  csstree/validator: null
+  declaration-block-no-duplicate-properties: null
+  max-empty-lines: 0
+  selector-pseudo-element-colon-notation: null
+  selector-type-no-unknown: null
diff --git a/github-dark.css b/github-dark.css
index 5b2a2499d..181e34305 100644
--- a/github-dark.css
+++ b/github-dark.css
@@ -5134,7 +5134,7 @@
   .timeline-comment[aria-selected=true] .review-summary .comment-body {
     border-color: /*[[base-color]]*/ #4f8cc9 !important;
   }
-  @-webkit-keyframes autofill {
+  @keyframes autofill {
     to {
       background-color: #181818;
       background-image: none;
@@ -5146,8 +5146,8 @@
   textarea:-webkit-autofill:hover, textarea:-webkit-autofill:focus,
   select:-webkit-autofill, select:-webkit-autofill:hover,
   select:-webkit-autofill:focus {
-    -webkit-animation-name: autofill !important;
-    -webkit-animation-fill-mode: both !important;
+    animation-name: autofill !important;
+    animation-fill-mode: both !important;
   }
   #com #header .top-nav .dropdown-button:hover .dropdown-caret,
   .header-nav-link:hover .dropdown-caret, .header-nav-link:focus .dropdown-caret,
@@ -5245,8 +5245,8 @@
   input[type="checkbox"]:hover:disabled,
   input[type="checkbox"]:hover:active:disabled {
     -webkit-appearance: none !important;
-       -moz-appearance: none !important;
-            appearance: none !important;
+    -moz-appearance: none !important;
+    appearance: none !important;
     background-color: #181818 !important;
     border: 1px solid #484848 !important;
     color: #eee !important;
@@ -6393,9 +6393,10 @@
   @font-face {
     font-family: "Apple Color Emoji";
     src: local("Apple Color Emoji");
-    unicode-range: U+00000-000A8,U+000AA-000AD,U+000AF-02121,U+02123-025A9,
-                   U+025AB-025FB,U+025FD-025FD,U+025FF-0265F,U+02661-02662,
-                   U+02664-02713,U+02715-02715,U+02717-0302F,U+03031-10FFFF;
+    unicode-range:
+      U+00000-000A8,U+000AA-000AD,U+000AF-02121,U+02123-025A9,
+      U+025AB-025FB,U+025FD-025FD,U+025FF-0265F,U+02661-02662,
+      U+02664-02713,U+02715-02715,U+02717-0302F,U+03031-10FFFF;
   }
   /* GeoJSON maps */
   /* https://github.com/benbalter/dc-maps/blob/master/maps/embassies.geojson */
@@ -9424,14 +9425,8 @@
   .intercom-home-screen-conversation-card {
     background-color: #111 !important;
     color: #eee !important;
-    -webkit-box-shadow: 0 4px 15px 0 rgba(0, 0, 0, .1), 0 1px 2px 0 rgba(0, 0, 0, .1), inset 0 2px 0 0 rgba(79, 140, 201, .5);
-    -webkit-box-shadow: 0 4px 15px 0 rgba(0, 0, 0, .1), 0 1px 2px 0 rgba(0, 0, 0, .1), inset 0 2px 0 0 rgba(/*[[base-color-rgb]]*/, .5);
-            box-shadow: 0 4px 15px 0 rgba(0, 0, 0, .1),
-                    0 1px 2px 0 rgba(0, 0, 0, .1),
-                    inset 0 2px 0 0 rgba(79, 140, 201, .5);
-            box-shadow: 0 4px 15px 0 rgba(0, 0, 0, .1),
-                    0 1px 2px 0 rgba(0, 0, 0, .1),
-                    inset 0 2px 0 0 rgba(/*[[base-color-rgb]]*/, .5);
+    box-shadow: 0 4px 15px 0 rgba(0, 0, 0, .1), 0 1px 2px 0 rgba(0, 0, 0, .1), inset 0 2px 0 0 rgba(79, 140, 201, .5);
+    box-shadow: 0 4px 15px 0 rgba(0, 0, 0, .1), 0 1px 2px 0 rgba(0, 0, 0, .1), inset 0 2px 0 0 rgba(/*[[base-color-rgb]]*/, .5);
   }
   .intercom-conversation-summary-unread .intercom-conversation-summary-body-author,
   .intercom-conversation-summary-unread .intercom-conversation-summary-content-text,
@@ -9502,14 +9497,8 @@
   .intercom-attribute-collector-card-body {
     background-color: #141414;
     color: #eee;
-    -webkit-box-shadow: 0 4px 15px 0 rgba(0, 0, 0, .1), 0 1px 2px 0 rgba(0, 0, 0, .1), inset 0 2px 0 0 rgba(79, 140, 201, .5);
-    -webkit-box-shadow: 0 4px 15px 0 rgba(0, 0, 0, .1), 0 1px 2px 0 rgba(0, 0, 0, .1), inset 0 2px 0 0 rgba(/*[[base-color-rgb]]*/, .5);
-            box-shadow: 0 4px 15px 0 rgba(0, 0, 0, .1),
-                    0 1px 2px 0 rgba(0, 0, 0, .1),
-                    inset 0 2px 0 0 rgba(79, 140, 201, .5);
-            box-shadow: 0 4px 15px 0 rgba(0, 0, 0, .1),
-                    0 1px 2px 0 rgba(0, 0, 0, .1),
-                    inset 0 2px 0 0 rgba(/*[[base-color-rgb]]*/, .5);
+    box-shadow: 0 4px 15px 0 rgba(0, 0, 0, .1), 0 1px 2px 0 rgba(0, 0, 0, .1), inset 0 2px 0 0 rgba(79, 140, 201, .5);
+    box-shadow: 0 4px 15px 0 rgba(0, 0, 0, .1), 0 1px 2px 0 rgba(0, 0, 0, .1), inset 0 2px 0 0 rgba(/*[[base-color-rgb]]*/, .5);
   }
   .intercom-composer pre, .intercom-composer textarea {
     background-color: #111;
diff --git a/package.json b/package.json
index b09267040..2048483d2 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "perfectionist": "2.4.0",
     "postcss": "7.0.17",
     "stylelint": "10.1.0",
-    "stylelint-config-stylishthemes": "1.0.1",
+    "stylelint-config-silverwind": "2.0.0",
     "unzipper": "0.10.2",
     "updates": "8.5.1",
     "url-toolkit": "2.1.6",