diff --git a/src/wp-content/themes/twentytwenty/assets/css/editor-style-block.css b/src/wp-content/themes/twentytwenty/assets/css/editor-style-block.css
index 18e8328107..8c849ae5a4 100644
--- a/src/wp-content/themes/twentytwenty/assets/css/editor-style-block.css
+++ b/src/wp-content/themes/twentytwenty/assets/css/editor-style-block.css
@@ -935,6 +935,7 @@ hr.wp-block-separator.is-style-dots::before {
 	line-height: 1.25;
 	padding: 1.1em 1.44em;
 	text-transform: uppercase;
+	width: 100%;
 }
 
 .editor-styles-wrapper .wp-block-button .wp-block-button__link.mce-content-body {
@@ -1515,3 +1516,24 @@ hr.wp-block-separator.is-style-dots::before {
 
 
 }
+.wp-block-buttons .wp-block[data-align="left"] > .wp-block-button.wp-block-button__width-75,
+.wp-block-buttons .wp-block[data-align="center"] > .wp-block-button.wp-block-button__width-75,
+.wp-block-buttons .wp-block[data-align="right"] > .wp-block-button.wp-block-button__width-75{
+	width: calc(75% - var(--wp--style--block-gap, .5em)*0.25);
+}
+
+.wp-block-buttons .wp-block[data-align="left"] > .wp-block-button.wp-block-button__width-100,
+.wp-block-buttons .wp-block[data-align="center"] > .wp-block-button.wp-block-button__width-100,
+.wp-block-buttons .wp-block[data-align="right"] > .wp-block-button.wp-block-button__width-100{
+    width: calc(100% - var(--wp--style--block-gap, .5em)*0.25);
+}
+.wp-block-buttons .wp-block[data-align="left"] > .wp-block-button.wp-block-button__width-50,
+.wp-block-buttons .wp-block[data-align="center"] > .wp-block-button.wp-block-button__width-50,
+.wp-block-buttons .wp-block[data-align="right"] > .wp-block-button.wp-block-button__width-50{
+	  width: calc(50% - var(--wp--style--block-gap, .5em)*0.25);
+}
+.wp-block-buttons .wp-block[data-align="left"] > .wp-block-button.wp-block-button__width-25,
+.wp-block-buttons .wp-block[data-align="center"] > .wp-block-button.wp-block-button__width-25,
+.wp-block-buttons .wp-block[data-align="right"] > .wp-block-button.wp-block-button__width-25{
+	width: calc(25% - var(--wp--style--block-gap, .5em)*0.25);
+}
diff --git a/src/wp-content/themes/twentytwenty/style.css b/src/wp-content/themes/twentytwenty/style.css
index c2ac1eac06..244dd58531 100644
--- a/src/wp-content/themes/twentytwenty/style.css
+++ b/src/wp-content/themes/twentytwenty/style.css
@@ -3026,6 +3026,27 @@ h2.entry-title {
 
 /* Block: Button ----------------------------- */
 
+.wp-block-buttons > .wp-block-button {
+	float: none;
+	margin: 0;
+}
+.wp-block-buttons > .wp-block-button.alignright {
+	margin-left: auto;
+}
+.wp-block-buttons > .wp-block-button.aligncenter {
+	margin-left: auto;
+	margin-right: auto;
+}
+.wp-block-buttons > .wp-block-button.aligncenter.wp-block-button__width-50 {
+	width: calc(50% - (var(--wp--style--block-gap, 0.5em) * 0.5));
+}
+.wp-block-buttons > .wp-block-button.aligncenter.wp-block-button__width-75 {
+	width: calc(75% - (var(--wp--style--block-gap, 0.5em) * 0.5));
+}
+.wp-block-buttons > .wp-block-button.aligncenter.wp-block-button__width-100 {
+	width: 100%;
+}
+
 .wp-block-button {
 	margin: 3rem 0;
 }