diff --git a/Libraries/LibWeb/CSS/Default.css b/Libraries/LibWeb/CSS/Default.css
index d88244cf59b..64063d93bd4 100644
--- a/Libraries/LibWeb/CSS/Default.css
+++ b/Libraries/LibWeb/CSS/Default.css
@@ -893,3 +893,8 @@ input[type=checkbox][switch]:checked::before {
 input[type=checkbox][switch]:checked {
 	background-color: AccentColor;
 }
+
+/* https://drafts.csswg.org/css-ui/#propdef-user-select */
+button, meter, progress, select {
+    user-select: none;
+}
diff --git a/Libraries/LibWeb/CSS/Properties.json b/Libraries/LibWeb/CSS/Properties.json
index 59d2246300e..815b961f88f 100644
--- a/Libraries/LibWeb/CSS/Properties.json
+++ b/Libraries/LibWeb/CSS/Properties.json
@@ -130,6 +130,9 @@
   "-webkit-transition-timing-function": {
     "legacy-alias-for": "transition-timing-function"
   },
+  "-webkit-user-select": {
+    "legacy-alias-for": "user-select"
+  },
   "accent-color": {
     "animation-type": "by-computed-value",
     "inherited": true,
diff --git a/Tests/LibWeb/Text/expected/css/CSSStyleDeclaration-all-supported-properties-and-default-values.txt b/Tests/LibWeb/Text/expected/css/CSSStyleDeclaration-all-supported-properties-and-default-values.txt
index aea9445aad3..998fc032d53 100644
--- a/Tests/LibWeb/Text/expected/css/CSSStyleDeclaration-all-supported-properties-and-default-values.txt
+++ b/Tests/LibWeb/Text/expected/css/CSSStyleDeclaration-all-supported-properties-and-default-values.txt
@@ -129,6 +129,9 @@ All supported properties and their default values exposed from CSSStyleDeclarati
 'WebkitTransitionTimingFunction': 'ease'
 'webkitTransitionTimingFunction': 'ease'
 '-webkit-transition-timing-function': 'ease'
+'WebkitUserSelect': 'auto'
+'webkitUserSelect': 'auto'
+'-webkit-user-select': 'auto'
 'accentColor': 'auto'
 'accent-color': 'auto'
 'alignContent': 'normal'