diff --git a/src/wp-content/themes/twentynineteen/style-editor.css b/src/wp-content/themes/twentynineteen/style-editor.css
index 274e2851c2..ea254956dd 100644
--- a/src/wp-content/themes/twentynineteen/style-editor.css
+++ b/src/wp-content/themes/twentynineteen/style-editor.css
@@ -583,8 +583,8 @@ h6:lang(vi), figcaption:lang(vi),
 /** === Editor Frame === */
 body .wp-block[data-align="full"],
 body .wp-block.alignfull {
-  width: calc(100% + 20px);
-  max-width: calc(100% + 20px);
+  max-width: calc(100% + 16px);
+  width: calc(100% + 16px);
 }
 
 body .wp-block[data-align="left"],
@@ -620,11 +620,19 @@ body .wp-block.aligncenter {
   }
   body .wp-block[data-align="full"],
   body .wp-block.alignfull {
-    width: calc( 125% + 20px);
-    max-width: calc( 125% + 20px);
+    width: calc(125% + 16px);
+    max-width: calc(125% + 16px);
     position: relative;
     left: -12.5%;
   }
+  body .wp-block[data-align="wide"] .wp-block[data-align="full"],
+  body .wp-block[data-align="full"] .wp-block[data-align="full"],
+  body .wp-block.alignwide .wp-block.alignfull,
+  body .wp-block.alignfull .wp-block.alignfull {
+    left: 0;
+    margin-left: 0;
+    margin-right: 0;
+  }
 }
 
 /** === Content Width === */
@@ -1560,3 +1568,12 @@ ul.wp-block-archives li ul,
     width: calc(125% + 120px);
   }
 }
+
+.wp-block-post-template .wp-block[data-align="full"],
+.wp-block-post-template .wp-block.alignfull {
+  left: 0;
+  max-width: 100%;
+  padding-left: 0;
+  padding-right: 0;
+  width: 100%;
+}
diff --git a/src/wp-content/themes/twentynineteen/style-editor.scss b/src/wp-content/themes/twentynineteen/style-editor.scss
index 07c352035d..ed06791612 100644
--- a/src/wp-content/themes/twentynineteen/style-editor.scss
+++ b/src/wp-content/themes/twentynineteen/style-editor.scss
@@ -13,8 +13,8 @@ body {
 
 	.wp-block[data-align="full"],
 	.wp-block.alignfull {
-		width: calc(100% + 20px);
-		max-width: calc(100% + 20px);
+		max-width: calc(100% + 16px);
+		width: calc(100% + 16px);
 	}
 
 	.wp-block[data-align="left"],
@@ -54,11 +54,20 @@ body {
 
 		.wp-block[data-align="full"],
 		.wp-block.alignfull {
-			width: calc( 125% + 20px );
-			max-width: calc( 125% + 20px );
+			width: calc(125% + 16px);
+			max-width: calc(125% + 16px);
 			position: relative;
 			left: -12.5%;
 		}
+
+		.wp-block[data-align="wide"] .wp-block[data-align="full"],
+		.wp-block[data-align="full"] .wp-block[data-align="full"],
+		.wp-block.alignwide .wp-block.alignfull,
+		.wp-block.alignfull .wp-block.alignfull {
+			left: 0;
+			margin-left: 0;
+			margin-right: 0;
+		}
 	}
 }
 
@@ -971,3 +980,15 @@ $group-block-background__padding: $font__size_base;
 			}
 		}
 	}
+
+.wp-block-post-template {
+
+	.wp-block[data-align="full"],
+	.wp-block.alignfull {
+		left: 0;
+		max-width: 100%;
+		padding-left: 0;
+		padding-right: 0;
+		width: 100%;
+	}
+}