@@ -328,6 +328,7 @@ AttachmentsBrowser = View.extend(/** @lends wp.media.view.AttachmentsBrowser.pro
 					text: l10n.deletePermanently,
 					controller: this.controller,
 					priority: -55,
+					size: '',
 					click: function() {
 						var removed = [],
 							destroy = [],
 
@@ -40,7 +40,10 @@ DeleteSelected = Button.extend(/** @lends wp.media.view.DeleteSelectedButton.pro
 	},
 
 	render: function() {
+		// Set size silently before calling base render to avoid nested renders.
+		this.model.set( 'size', '', { silent: true } );
 		Button.prototype.render.apply( this, arguments );
+
 		if ( this.controller.isModeActive( 'select' ) ) {
 			this.$el.addClass( 'delete-selected-button' );
 		} else {
 
@@ -40,7 +40,7 @@ SelectModeToggle = Button.extend(/** @lends wp.media.view.SelectModeToggle.proto
 
 	render: function() {
 		Button.prototype.render.apply( this, arguments );
-		this.$el.addClass( 'select-mode-toggle-button button-compact' );
+		this.$el.addClass( 'select-mode-toggle-button' );
 		return this;
 	},
 
@@ -52,7 +52,7 @@ SelectModeToggle = Button.extend(/** @lends wp.media.view.SelectModeToggle.proto
 		// @todo The Frame should be doing all of this.
 		if ( this.controller.isModeActive( 'select' ) ) {
 			this.model.set( {
-				size: 'large',
+				size: '',
 				text: l10n.cancel
 			} );
 			children.not( '.spinner, .media-button' ).hide();
 
@@ -65,7 +65,8 @@ span.wp-media-buttons-icon:before {
 .media-modal .delete-attachment,
 .media-modal .trash-attachment,
 .media-modal .untrash-attachment,
-.wp-core-ui .button-link-delete {
+/* Needs higher specificity to override the default button-link. */
+.wp-core-ui .button-link.button-link-delete {
 	color: tokens.$alert-red;
 }
 
@@ -75,9 +76,10 @@ span.wp-media-buttons-icon:before {
 .media-modal .delete-attachment:focus,
 .media-modal .trash-attachment:focus,
 .media-modal .untrash-attachment:focus,
-.wp-core-ui .button-link-delete:hover,
-.wp-core-ui .button-link-delete:focus {
-	color: color.adjust(tokens.$alert-red, $lightness: 10%);
+/* Needs higher specificity to override the default button-link. */
+.wp-core-ui .button-link.button-link-delete:hover,
+.wp-core-ui .button-link.button-link-delete:focus {
+	color: color.adjust(tokens.$alert-red, $lightness: -10%);
 }
 
 /* Forms */
@@ -156,9 +158,9 @@ input[type="radio"]:focus {
 /* Core UI */
 
 .wp-core-ui {
-
 	/* Default button - theme color border and text (matches secondary) */
-	.button {
+	/* Exclude .button-link without increasing specificity. */
+	.button:where(:not(.button-link)) {
 		@include mixins.button-secondary();
 	}
 
 
@@ -558,6 +558,7 @@ border color while dragging a file over the uploader drop area */
 .media-frame.mode-grid .media-toolbar {
 	margin-bottom: 15px;
 	height: auto;
+	min-height: 80px;
 }
 
 .media-frame.mode-grid .media-toolbar label:not(.media-search-input-label) {
 
@@ -223,6 +223,7 @@ TABLE OF CONTENTS:
 
 .wp-core-ui .button[aria-disabled="true"],
 .wp-core-ui .button-secondary[aria-disabled="true"] {
+	color: #8a8a8a !important;
 	cursor: default;
 }
Original file line number	Diff line number	Diff line change
`@@ -558,6 +558,7 @@ border color while dragging a file over the uploader drop area */`
`558`	`558`	`.media-frame.mode-grid .media-toolbar {`
`559`	`559`	`margin-bottom: 15px;`
`560`	`560`	`height: auto;`
	`561`	`+ min-height: 80px;`
`561`	`562`	`}`
`562`	`563`
`563`	`564`	`.media-frame.mode-grid .media-toolbar label:not(.media-search-input-label) {`
Original file line number	Diff line number	Diff line change
`@@ -223,6 +223,7 @@ TABLE OF CONTENTS:`
`223`	`223`
`224`	`224`	`.wp-core-ui .button[aria-disabled="true"],`
`225`	`225`	`.wp-core-ui .button-secondary[aria-disabled="true"] {`
	`226`	`+ color: #8a8a8a !important;`
`226`	`227`	`cursor: default;`
`227`	`228`	`}`
`228`	`229`