diff --git a/core/.stylelintrc.json b/core/.stylelintrc.json
index bb4b610..72511fd 100644
--- a/core/.stylelintrc.json
+++ b/core/.stylelintrc.json
@@ -31,7 +31,6 @@
     "property-no-unknown": null,
     "rule-empty-line-before": null,
     "selector-pseudo-element-colon-notation": null,
-    "selector-type-no-unknown": null,
     "shorthand-property-no-redundant-values": null,
     "unit-whitelist": ["deg", "em", "ex", "ms", "rem", "%", "s", "px"]
   },
diff --git a/core/misc/dialog/off-canvas.base.css b/core/misc/dialog/off-canvas.base.css
index 5d50812..470e330 100644
--- a/core/misc/dialog/off-canvas.base.css
+++ b/core/misc/dialog/off-canvas.base.css
@@ -125,9 +125,6 @@
   font-size: smaller;
   line-height: normal;
 }
-#drupal-off-canvas nobr {
-  white-space: nowrap;
-}
 #drupal-off-canvas abbr,
 #drupal-off-canvas acronym {
   border-bottom: dotted 1px;
diff --git a/core/themes/seven/css/base/elements.css b/core/themes/seven/css/base/elements.css
index 51f19f0..3364f6e 100644
--- a/core/themes/seven/css/base/elements.css
+++ b/core/themes/seven/css/base/elements.css
@@ -121,9 +121,6 @@ sup {
   font-size: smaller;
   line-height: normal;
 }
-nobr {
-  white-space: nowrap;
-}
 abbr,
 acronym {
   border-bottom: dotted 1px;
@@ -150,7 +147,6 @@ ol {
   margin-left: 0;
   margin-right: 2em;
 }
-quote,
 code {
   margin: .5em 0;
 }
diff --git a/core/themes/stable/css/core/dialog/off-canvas.base.css b/core/themes/stable/css/core/dialog/off-canvas.base.css
index aaa2abe..9868ced 100644
--- a/core/themes/stable/css/core/dialog/off-canvas.base.css
+++ b/core/themes/stable/css/core/dialog/off-canvas.base.css
@@ -125,9 +125,6 @@
   font-size: smaller;
   line-height: normal;
 }
-#drupal-off-canvas nobr {
-  white-space: nowrap;
-}
 #drupal-off-canvas abbr,
 #drupal-off-canvas acronym {
   border-bottom: dotted 1px;