diff --git a/core/modules/entity_reference/src/Tests/EntityReferenceFormatterTest.php b/core/modules/entity_reference/src/Tests/EntityReferenceFormatterTest.php
index 61d0ee5..77cfafb 100644
--- a/core/modules/entity_reference/src/Tests/EntityReferenceFormatterTest.php
+++ b/core/modules/entity_reference/src/Tests/EntityReferenceFormatterTest.php
@@ -181,7 +181,7 @@ public function testEntityFormatter() {
 </div>
 ';
     $expected_rendered_body_field = '<div class="field field-entity-test--body field-name-body field-type-text field-label-above">
-      <div class="field-label">Body:&nbsp;</div>
+      <div class="field-label">Body</div>
     <div class="field-items">
           <div class="field-item"><p>Hello, world!</p></div>
       </div>
diff --git a/core/modules/system/css/system.theme.css b/core/modules/system/css/system.theme.css
index 4fca3de..4357fc2 100644
--- a/core/modules/system/css/system.theme.css
+++ b/core/modules/system/css/system.theme.css
@@ -636,6 +636,9 @@ table tr.error {
   float: right;
   padding-left: 0.5em;
 }
+.field-label-inline .field-label::after {
+  content: ': ';
+}
 
 /* Form display */
 form .field-edit-link {
diff --git a/core/modules/system/templates/field.html.twig b/core/modules/system/templates/field.html.twig
index a0d527a..06b9c80 100644
--- a/core/modules/system/templates/field.html.twig
+++ b/core/modules/system/templates/field.html.twig
@@ -31,7 +31,7 @@
 #}
 <div{{ attributes }}>
   {% if not label_hidden %}
-    <div class="field-label"{{ title_attributes }}>{{ label }}:&nbsp;</div>
+    <div class="field-label"{{ title_attributes }}>{{ label }}</div>
   {% endif %}
   <div class="field-items"{{ content_attributes }}>
     {% for delta, item in items %}
