diff --git a/src/wp-admin/css/common.css b/src/wp-admin/css/common.css
index e1e5ee3181330..980702d31fb80 100644
--- a/src/wp-admin/css/common.css
+++ b/src/wp-admin/css/common.css
@@ -501,7 +501,7 @@ code {
 	border-bottom-width: 0;
 }
 
-.widefat th,
+.widefat tbody th,
 .widefat td {
 	vertical-align: top;
 }
@@ -520,6 +520,12 @@ code {
 .widefat tfoot td {
 	text-align: left;
 	line-height: 1.3em;
+}
+
+.widefat th:not(tbody th),
+.widefat tbody td.check-column,
+.widefat thead td,
+.widefat tfoot td {
 	font-size: 14px;
 }
 
diff --git a/src/wp-admin/css/list-tables.css b/src/wp-admin/css/list-tables.css
index 46c2002e3e3a1..3d6f455f04b88 100644
--- a/src/wp-admin/css/list-tables.css
+++ b/src/wp-admin/css/list-tables.css
@@ -353,6 +353,8 @@ table.fixed {
 	padding-left: 3px;
 }
 
+th.column-title strong,
+th.plugin-title strong,
 td.column-title strong,
 td.plugin-title strong {
 	display: block;
@@ -360,6 +362,8 @@ td.plugin-title strong {
 	font-size: 14px;
 }
 
+th.column-title p,
+th.plugin-title p,
 td.column-title p,
 td.plugin-title p {
 	margin: 6px 0;
@@ -1921,32 +1925,79 @@ div.action-links,
 		display: none;
 	}
 
-	.wp-list-table thead th.column-primary {
-		width: 100%;
+	.wp-list-table tr {
+		display: flex;
+		flex-wrap: wrap;
 	}
 
-	/* Checkboxes need to show */
-	.wp-list-table tr th.check-column,
-	.wp-list-table tr td.check-column {
-		display: table-cell;
+	.wp-list-table thead th {
+		align-content: center;
 	}
 
-	.wp-list-table .check-column {
+	.wp-list-table td.check-column,
+	.wp-list-table th.check-column {
+		flex: 0 0 2.5em;
 		width: 2.5em;
 	}
 
+	.wp-list-table .column-primary a {
+		text-wrap: wrap;
+	}
+
+	.wp-list-table td.column-primary,
+	.wp-list-table th.column-primary {
+		flex: 1 1 0;
+	}
+
+	.wp-list-table tr td:nth-child(n+3) {
+		flex: 0 1 100%;
+	}
+
+	.plugins tr.active.plugin-update-tr + tr.inactive th,
+	.plugins tr.active.plugin-update-tr + tr.inactive td,
+	.plugins tr.active + tr.inactive th,
+	.plugins tr.active + tr.inactive td,
+	.plugins .inactive td,
+	.plugins .inactive th,
+	.plugins .active td,
+	.plugins .active th,
+	.plugin-install #the-list td,
+	.upgrade .plugins td,
+	.upgrade .plugins th {
+		box-shadow: none;
+	}
+
+	.plugins tr {
+		box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.1);
+	}
+
+	.plugins .active th.check-column,
+	.plugins .active td.check-column,
+	.plugin-update-tr.active td {
+		border-left: 4px solid transparent;
+	}
+
+	.plugins .active th.check-column input,
+	.plugins .active td.check-column input {
+		margin-left: 0px;
+	}
+
+	.plugins tr.active,
+	.plugin-update-tr.active {
+		border-left: 4px solid var(--wp-admin-theme-color);
+	}
+
 	.wp-list-table .column-primary .toggle-row {
 		display: block;
 	}
 
+	.wp-list-table tbody th,
 	.wp-list-table tr:not(.inline-edit-row):not(.no-items) td:not(.check-column) {
 		position: relative;
-		clear: both;
-		width: auto !important; /* needs to override some columns that are more specifically targeted */
 	}
 
 	.wp-list-table td.column-primary,
-	.wp-list-table th.column-primary {
+	.wp-list-table tbody th.column-primary {
 		padding-right: 50px; /* space for toggle button */
 	}
 
@@ -1955,7 +2006,7 @@ div.action-links,
 		padding: 3px 8px 3px 35%;
 	}
 
-	.wp-list-table tr:not(.inline-edit-row):not(.no-items) td:not(.column-primary)::before {
+	.wp-list-table tr:not(.inline-edit-row):not(.no-items) td:not(.check-column)::before {
 		position: absolute;
 		left: 10px; /* match padding of regular table cell */
 		display: block;
@@ -1966,6 +2017,7 @@ div.action-links,
 		text-overflow: ellipsis;
 	}
 
+	.wp-list-table .is-expanded th:not(.hidden),
 	.wp-list-table .is-expanded td:not(.hidden) {
 		display: block !important;
 		overflow: hidden; /* clearfix */
@@ -2231,7 +2283,7 @@ div.action-links,
 	}
 
 	/* Plugin/Theme Management */
-	#wpbody-content .wp-list-table.plugins td {
+	#wpbody-content .wp-list-table.plugins tbody td {
 		display: block;
 		width: auto;
 		padding: 10px 9px; /* reset from other list tables that have a label at this width */