diff --git a/components/lib/megamenu/MegaMenu.d.ts b/components/lib/megamenu/MegaMenu.d.ts
index f403774a8..2fb28fcd6 100755
--- a/components/lib/megamenu/MegaMenu.d.ts
+++ b/components/lib/megamenu/MegaMenu.d.ts
@@ -87,9 +87,9 @@ export interface MegaMenuPassThroughOptions {
      */
     submenuIcon?: MegaMenuPassThroughOptionType;
     /**
-     * Used to pass attributes to the panel's DOM element.
+     * Used to pass attributes to the overlay DOM element.
      */
-    panel?: MegaMenuPassThroughOptionType;
+    overlay?: MegaMenuPassThroughOptionType;
     /**
      * Used to pass attributes to the grid's DOM element.
      */
@@ -101,15 +101,11 @@ export interface MegaMenuPassThroughOptions {
     /**
      * Used to pass attributes to the submenu item's DOM element.
      */
-    submenuItem?: MegaMenuPassThroughOptionType;
+    submenuLabel?: MegaMenuPassThroughOptionType;
     /**
      * Used to pass attributes to the submenu's DOM element.
      */
     submenu?: MegaMenuPassThroughOptionType;
-    /**
-     * Used to pass attributes to the submenu item label's DOM element.
-     */
-    submenuItemLabel?: MegaMenuPassThroughOptionType;
     /**
      * Used to pass attributes to the separator's DOM element.
      */
diff --git a/components/lib/megamenu/MegaMenuSub.vue b/components/lib/megamenu/MegaMenuSub.vue
index ad1b2dcdd..e76c83f04 100644
--- a/components/lib/megamenu/MegaMenuSub.vue
+++ b/components/lib/megamenu/MegaMenuSub.vue
@@ -1,6 +1,6 @@
 <template>
     <ul :class="level === 0 ? cx('rootList') : cx('submenu')" :tabindex="tabindex" v-bind="level === 0 ? ptm('rootList') : ptm('submenu')">
-        <li v-if="submenu" :class="[cx('submenuItem', { submenu }), getItemProp(submenu, 'class')]" :style="getItemProp(submenu, 'style')" role="presentation" v-bind="ptm('submenuItem')">{{ getItemLabel(submenu) }}</li>
+        <li v-if="submenu" :class="[cx('submenuLabel', { submenu }), getItemProp(submenu, 'class')]" :style="getItemProp(submenu, 'style')" role="presentation" v-bind="ptm('submenuLabel')">{{ getItemLabel(submenu) }}</li>
         <template v-for="(processedItem, index) of items" :key="getItemKey(processedItem)">
             <li
                 v-if="isItemVisible(processedItem) && !getItemProp(processedItem, 'separator')"
@@ -25,7 +25,7 @@
                         <a v-ripple :href="getItemProp(processedItem, 'url')" :class="cx('itemLink')" :target="getItemProp(processedItem, 'target')" tabindex="-1" aria-hidden="true" v-bind="getPTOptions(processedItem, index, 'itemLink')">
                             <component v-if="templates.itemicon" :is="templates.itemicon" :item="processedItem.item" :class="cx('itemIcon')" />
                             <span v-else-if="getItemProp(processedItem, 'icon')" :class="[cx('itemIcon'), getItemProp(processedItem, 'icon')]" v-bind="getPTOptions(processedItem, index, 'itemIcon')" />
-                            <span :class="level === 0 ? cx('itemLabel') : cx('submenuItemLabel')" v-bind="level === 0 ? getPTOptions(processedItem, index, 'itemLabel') : getPTOptions(processedItem, index, 'submenuItemLabel')">
+                            <span :class="cx('itemLabel')" v-bind="getPTOptions(processedItem, index, 'itemLabel')">
                                 {{ getItemLabel(processedItem) }}
                             </span>
                             <template v-if="isItemGroup(processedItem)">
@@ -36,7 +36,7 @@
                     </template>
                     <component v-else :is="templates.item" :item="processedItem.item" :hasSubmenu="isItemGroup(processedItem)" :label="getItemLabel(processedItem)" :props="getMenuItemProps(processedItem, index)"></component>
                 </div>
-                <div v-if="isItemVisible(processedItem) && isItemGroup(processedItem)" :class="cx('panel')" v-bind="ptm('panel')">
+                <div v-if="isItemVisible(processedItem) && isItemGroup(processedItem)" :class="cx('overlay')" v-bind="ptm('overlay')">
                     <div :class="cx('grid')" v-bind="ptm('grid')">
                         <div v-for="col of processedItem.items" :key="getItemKey(col)" :class="cx('column', { processedItem })" v-bind="ptm('column')">
                             <MegaMenuSub
diff --git a/components/lib/megamenu/style/MegaMenuStyle.js b/components/lib/megamenu/style/MegaMenuStyle.js
index f6bb92132..6c7fd8391 100644
--- a/components/lib/megamenu/style/MegaMenuStyle.js
+++ b/components/lib/megamenu/style/MegaMenuStyle.js
@@ -2,25 +2,36 @@ import BaseStyle from 'primevue/base/style';
 
 const theme = ({ dt }) => `
 .p-megamenu {
-    display: flex;
     position: relative;
-    padding: 0.5rem 0.5rem;
+    display: flex;
+    align-items: center;
     background: ${dt('megamenu.background')};
-    color: ${dt('megamenu.color')};
     border: 1px solid ${dt('megamenu.border.color')};
-    border-radius: ${dt('border.radius.md')};
+    border-radius: ${dt('megamenu.border.radius')};
+    color: ${dt('megamenu.color')};
 }
 
 .p-megamenu-root-list {
     margin: 0;
     padding: 0;
-    outline: 0;
     list-style: none;
+    outline: 0 none;
+    align-items: center;
+    display: flex;
+    flex-wrap: wrap;
+}
+
+.p-megamenu-root-list > .p-megamenu-item > .p-menumegamenubar-item-content {
+    border-radius: ${dt('megamenu.base.item.border.radius')};
+}
+
+.p-megamenu-root-list > .p-megamenu-item > .p-megamenu-item-content > .p-megamenu-item-link {
+    padding: ${dt('megamenu.base.item.padding')};
 }
 
 .p-megamenu-item-content {
-    transition: background-color ${dt('transition.duration')}, color ${dt('transition.duration')};
-    border-radius: ${dt('border.radius.sm')};
+    transition: background ${dt('transition.duration')}, color ${dt('transition.duration')};
+    border-radius: ${dt('megamenu.item.border.radius')};
     color: ${dt('megamenu.item.color')};
 }
 
@@ -32,8 +43,10 @@ const theme = ({ dt }) => `
     overflow: hidden;
     position: relative;
     color: inherit;
-    padding: 0.5rem 0.75rem;
+    padding: ${dt('megamenu.item.padding')};
+    gap: ${dt('megamenu.item.gap')};
     user-select: none;
+    outline: 0 none;
 }
 
 .p-megamenu-item-label {
@@ -42,7 +55,13 @@ const theme = ({ dt }) => `
 
 .p-megamenu-item-icon {
     color: ${dt('megamenu.item.icon.color')};
-    margin-right: 0.5rem;
+}
+
+.p-megamenu-submenu-icon {
+    color: ${dt('megamenu.submenu.icon.color')};
+    font-size: ${dt('megamenu.submenu.icon.size')};
+    width: ${dt('megamenu.submenu.icon.size')};
+    height: ${dt('megamenu.submenu.icon.size')};
 }
 
 .p-megamenu-item.p-focus > .p-megamenu-item-content {
@@ -50,9 +69,12 @@ const theme = ({ dt }) => `
     background: ${dt('megamenu.item.focus.background')};
 }
 
-.p-megamenu-item.p-focus > .p-megamenu-item-content .p-megamenu-item-icon,
+.p-megamenu-item.p-focus > .p-megamenu-item-content .p-megamenu-item-icon {
+    color: ${dt('megamenu.item.icon.focus.color')};
+}
+
 .p-megamenu-item.p-focus > .p-megamenu-item-content .p-megamenu-submenu-icon {
-    color: ${dt('megamenu.item.icon.hover.color')};
+    color: ${dt('megamenu.submenu.icon.focus.color')};
 }
 
 .p-megamenu-item:not(.p-disabled) > .p-megamenu-item-content:hover {
@@ -60,87 +82,77 @@ const theme = ({ dt }) => `
     background: ${dt('megamenu.item.focus.background')};
 }
 
-.p-megamenu-item:not(.p-disabled) > .p-megamenu-item-content:hover .p-megamenu-item-icon,
+.p-megamenu-item:not(.p-disabled) > .p-megamenu-item-content:hover .p-megamenu-item-icon {
+    color: ${dt('megamenu.item.icon.focus.color')};
+}
+
 .p-megamenu-item:not(.p-disabled) > .p-megamenu-item-content:hover .p-megamenu-submenu-icon {
-    color: ${dt('megamenu.item.icon.hover.color')};
+    color: ${dt('megamenu.submenu.icon.focus.color')};
 }
 
 .p-megamenu-item-active > .p-megamenu-item-content {
-    color: ${dt('megamenu.item.focus.color')};
-    background: ${dt('megamenu.item.focus.background')};
+    color: ${dt('megamenu.item.active.color')};
+    background: ${dt('megamenu.item.active.background')};
+}
+
+.p-megamenu-item-active > .p-megamenu-item-content .p-megamenu-item-icon {
+    color: ${dt('megamenu.item.icon.active.color')};
 }
 
-.p-megamenu-item-active > .p-megamenu-item-content .p-megamenu-item-icon,
 .p-megamenu-item-active > .p-megamenu-item-content .p-megamenu-submenu-icon {
-    color: ${dt('megamenu.item.icon.hover.color')};
+    color: ${dt('megamenu.submenu.icon.active.color')};
 }
 
-.p-megamenu-submenu-icon {
-    color: ${dt('megamenu.item.icon.color')};
-    margin-left: 0.5rem;
-    font-size: 0.875rem;
-    width: 0.875rem;
-    height: 0.875rem;
-}
-
-.p-megamenu-panel {
+.p-megamenu-overlay {
     display: none;
     position: absolute;
     width: auto;
     z-index: 1;
     left: 0;
     min-width: 100%;
-    background: ${dt('megamenu.background')};
-    color: ${dt('megamenu.color')};
-    border: 1px solid ${dt('megamenu.border.color')};
-    border-radius: ${dt('border.radius.md')};
-    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1)
+    padding: ${dt('megamenu.overlay.padding')};
+    background: ${dt('megamenu.overlay.background')};
+    color: ${dt('megamenu.overlay.color')};
+    border: 1px solid ${dt('megamenu.overlay.border.color')};
+    border-radius: ${dt('megamenu.overlay.border.radius')};
+    box-shadow: ${dt('megamenu.overlay.shadow')};
 }
 
-.p-megamenu-root-list > .p-megamenu-item-active > .p-megamenu-panel {
+.p-megamenu-root-list > .p-megamenu-item-active > .p-megamenu-overlay {
     display: block;
 }
 
 .p-megamenu-submenu {
     margin: 0;
     list-style: none;
-    padding: 0.25rem 0.25rem;
+    padding: ${dt('megamenu.submenu.padding')};
     min-width: 12.5rem;
+    display: flex;
+    flex-direction: column;
+    gap: ${dt('megamenu.submenu.gap')}
 }
 
-.p-megamenu-submenu .p-megamenu-item {
-    margin: 2px 0;
+.p-megamenu-submenu-label {
+    padding: ${dt('megamenu.submenu.label.padding')};
+    color: ${dt('megamenu.submenu.label.color')};
+    font-weight: ${dt('megamenu.submenu.label.font.weight')};
+    background: ${dt('megamenu.submenu.label.background')};
 }
 
-.p-megamenu-submenu .p-megamenu-item:first-child {
-    margin-top: 0;
-}
-
-.p-megamenu-submenu .p-megamenu-item:last-child {
-    margin-bottom: 0;
-}
-
-.p-megamenu-submenu .p-megamenu-submenu-item {
-    margin: 0;
-    padding: 0.5rem 0.75rem;
-    color: ${dt('megamenu.submenu.item.color')};
-    font-weight: 600;
-    margin-bottom: 2px;
-}
-
-.p-megamenu-submenu .p-menuitem-separator {
+.p-megamenu-separator {
     border-top: 1px solid ${dt('megamenu.separator.border.color')};
-    margin: 2px 0;
 }
 
 .p-megamenu-horizontal {
     align-items: center;
+    padding: ${dt('megamenu.horizontal.orientation.padding')};
 }
 
 .p-megamenu-horizontal .p-megamenu-root-list {
     display: flex;
     align-items: center;
     flex-wrap: wrap;
+    gap: ${dt('megamenu.horizontal.orientation.gap')};
 }
 
 .p-megamenu-horizontal .p-megamenu-end {
@@ -150,16 +162,19 @@ const theme = ({ dt }) => `
 
 .p-megamenu-vertical {
     display: inline-flex;
-    flex-direction: column;
     min-width: 12.5rem;
-    padding: 0.25rem 0.25rem;
+    flex-direction: column;
+    align-items: stretch;
+    padding: ${dt('megamenu.vertical.orientation.padding')};
 }
 
 .p-megamenu-vertical .p-megamenu-root-list {
+    align-items: stretch;
     flex-direction: column;
+    gap: ${dt('megamenu.vertical.orientation.gap')};
 }
 
-.p-megamenu-vertical .p-megamenu-root-list > .p-megamenu-item-active > .p-megamenu-panel {
+.p-megamenu-vertical .p-megamenu-root-list > .p-megamenu-item-active > .p-megamenu-overlay {
     left: 100%;
     top: 0;
 }
@@ -178,7 +193,7 @@ const theme = ({ dt }) => `
 .p-megamenu-col-6,
 .p-megamenu-col-12 {
     flex: 0 0 auto;
-    padding: 0.5rem;
+    padding: ${dt('megamenu.overlay.gap')};
 }
 
 .p-megamenu-col-2 {
@@ -206,25 +221,26 @@ const theme = ({ dt }) => `
     justify-content: center;
     align-items: center;
     cursor: pointer;
-    width: 1.75rem;
-    height: 1.75rem;
+    width: ${dt('megamenu.mobile.button.size')};
+    height: ${dt('megamenu.mobile.button.size')};
     position: relative;
-    color: ${dt('megamenu.mobile.toggle.color')};
+    color: ${dt('megamenu.mobile.button.color')};
     border: 0 none;
     background: transparent;
-    border-radius: 50%;
-    transition: background-color ${dt('transition.duration')}, color ${dt('transition.duration')}, outline-color ${dt('transition.duration')};
+    border-radius: ${dt('megamenu.mobile.button.border.radius')};
+    transition: background ${dt('transition.duration')}, color ${dt('transition.duration')}, outline-color ${dt('transition.duration')}, ox-shadow ${dt('transition.duration')};
     outline-color: transparent;
 }
 
 .p-megamenu-button:hover {
-    color: ${dt('megamenu.mobile.toggle.hover.color')};
-    background: ${dt('megamenu.mobile.toggle.hover.background')};
+    color: ${dt('megamenu.mobile.button.hover.color')};
+    background: ${dt('megamenu.mobile.button.hover.background')};
 }
 
 .p-megamenu-button:focus-visible {
-    outline: ${dt('focus.ring.width')} ${dt('focus.ring.style')} ${dt('focus.ring.color')};
-    outline-offset: ${dt('focus.ring.offset')};
+    box-shadow: ${dt('megamenu.mobile.button.focus.ring.shadow')};
+    outline: ${dt('megamenu.mobile.button.focus.ring.width')} ${dt('megamenu.mobile.button.focus.ring.style')} ${dt('megamenu.mobile.button.focus.ring.color')};
+    outline-offset: ${dt('megamenu.mobile.button.focus.ring.offset')};
 }
 
 .p-megamenu-mobile {
@@ -243,11 +259,11 @@ const theme = ({ dt }) => `
     left: 0;
     z-index: 1;
     width: 100%;
-    padding: 0.25rem 0.25rem;
-    background: ${dt('megamenu.background')};
-    border: 1px solid ${dt('megamenu.border.color')};
-    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
-    gap: 2px;
+    padding: ${dt('megamenu.submenu.padding')};
+    gap: ${dt('megamenu.submenu.gap')};
+    background: ${dt('megamenu.overlay.background')};
+    border: 1px solid ${dt('megamenu.overlay.border.color')};
+    box-shadow: ${dt('menubar.overlay.shadow')};
 }
 
 .p-megamenu-mobile-active .p-megamenu-root-list {
@@ -259,7 +275,7 @@ const theme = ({ dt }) => `
     position: static;
 }
 
-.p-megamenu-mobile .p-megamenu-panel {
+.p-megamenu-mobile .p-megamenu-overlay {
     position: static;
     border: 0 none;
     border-radius: 0;
@@ -299,8 +315,8 @@ const classes = {
     start: 'p-megamenu-start',
     button: 'p-megamenu-button',
     rootList: 'p-megamenu-root-list',
-    submenuItem: ({ instance, processedItem }) => [
-        'p-megamenu-submenu-item',
+    submenuLabel: ({ instance, processedItem }) => [
+        'p-megamenu-submenu-label',
         {
             'p-disabled': instance.isItemDisabled(processedItem)
         }
@@ -318,7 +334,7 @@ const classes = {
     itemIcon: 'p-megamenu-item-icon',
     itemLabel: 'p-megamenu-item-label',
     submenuIcon: 'p-megamenu-submenu-icon',
-    panel: 'p-megamenu-panel',
+    overlay: 'p-megamenu-overlay',
     grid: 'p-megamenu-grid',
     column: ({ instance, processedItem }) => {
         let length = instance.isItemGroup(processedItem) ? processedItem.items.length : 0;
@@ -352,7 +368,6 @@ const classes = {
         return columnClass;
     },
     submenu: 'p-megamenu-submenu',
-    submenuItemLabel: 'p-megamenu-submenu-item-label',
     separator: 'p-megamenu-separator',
     end: 'p-megamenu-end'
 };
diff --git a/components/lib/themes/aura/megamenu/index.js b/components/lib/themes/aura/megamenu/index.js
index 575698534..63593317f 100644
--- a/components/lib/themes/aura/megamenu/index.js
+++ b/components/lib/themes/aura/megamenu/index.js
@@ -2,26 +2,76 @@ export default {
     root: {
         background: '{content.background}',
         borderColor: '{content.border.color}',
-        color: '{content.color}'
+        borderRadius: '{content.border.radius}',
+        color: '{content.color}',
+        gap: '0.5rem',
+        verticalOrientation: {
+            padding: '{navigation.list.padding}',
+            gap: '0'
+        },
+        horizontalOrientation: {
+            padding: '0.5rem 0.75rem'
+        }
+    },
+    baseItem: {
+        borderRadius: '{content.border.radius}',
+        padding: '{navigation.item.padding}'
     },
     item: {
         focusBackground: '{navigation.item.focus.background}',
+        activeBackground: '{navigation.item.active.background}',
         color: '{navigation.item.color}',
         focusColor: '{navigation.item.focus.color}',
+        activeColor: '{navigation.item.active.color}',
+        padding: '{navigation.item.padding}',
+        borderRadius: '{navigation.item.border.radius}',
+        gap: '{navigation.item.gap}',
         icon: {
             color: '{navigation.item.icon.color}',
-            hoverColor: '{navigation.item.icon.hover.color}'
+            focusColor: '{navigation.item.icon.focus.color}',
+            activeColor: '{navigation.item.icon.active.color}'
         }
     },
-    submenuItem: {
-        color: '{navigation.submenu.color}'
+    overlay: {
+        padding: '0',
+        background: '{content.background}',
+        borderColor: '{content.border.color}',
+        borderRadius: '{content.border.radius}',
+        color: '{content.color}',
+        shadow: '{overlay.navigation.shadow}',
+        gap: '0.5rem'
+    },
+    submenu: {
+        padding: '{navigation.list.padding}',
+        gap: '{navigation.list.gap}'
+    },
+    submenuLabel: {
+        padding: '{navigation.submenu.label.padding}',
+        fontWeight: '{navigation.submenu.label.font.weight}',
+        background: '{navigation.submenu.label.background.}',
+        color: '{navigation.submenu.label.color}'
+    },
+    submenuIcon: {
+        size: '{navigation.submenu.icon.size}',
+        color: '{navigation.submenu.icon.color}',
+        focusColor: '{navigation.submenu.icon.focus.color}',
+        activeColor: '{navigation.submenu.icon.active.color}'
     },
     separator: {
         borderColor: '{content.border.color}'
     },
-    mobileToggle: {
+    mobileButton: {
+        borderRadius: '50%',
+        size: '1.75rem',
         color: '{text.muted.color}',
         hoverColor: '{text.muted.hover.color}',
-        hoverBackground: '{content.hover.background}'
+        hoverBackground: '{content.hover.background}',
+        focusRing: {
+            width: '{focus.ring.width}',
+            style: '{focus.ring.style}',
+            color: '{focus.ring.color}',
+            offset: '{focus.ring.offset}',
+            shadow: '{focus.ring.shadow}'
+        }
     }
 };
diff --git a/components/lib/themes/lara/megamenu/index.js b/components/lib/themes/lara/megamenu/index.js
index 575698534..71edcaa69 100644
--- a/components/lib/themes/lara/megamenu/index.js
+++ b/components/lib/themes/lara/megamenu/index.js
@@ -1,27 +1,88 @@
 export default {
     root: {
-        background: '{content.background}',
-        borderColor: '{content.border.color}',
-        color: '{content.color}'
+        borderColor: 'transparent',
+        borderRadius: '{content.border.radius}',
+        color: '{content.color}',
+        gap: '0.5rem',
+        verticalOrientation: {
+            padding: '{navigation.list.padding}',
+            gap: '0'
+        },
+        horizontalOrientation: {
+            padding: '0.75rem 1rem'
+        }
+    },
+    baseItem: {
+        borderRadius: '{content.border.radius}',
+        padding: '0.75rem 1rem'
     },
     item: {
         focusBackground: '{navigation.item.focus.background}',
+        activeBackground: '{navigation.item.active.background}',
         color: '{navigation.item.color}',
         focusColor: '{navigation.item.focus.color}',
+        activeColor: '{navigation.item.active.color}',
+        padding: '{navigation.item.padding}',
+        borderRadius: '{navigation.item.border.radius}',
+        gap: '{navigation.item.gap}',
         icon: {
             color: '{navigation.item.icon.color}',
-            hoverColor: '{navigation.item.icon.hover.color}'
+            focusColor: '{navigation.item.icon.focus.color}',
+            activeColor: '{navigation.item.icon.active.color}'
         }
     },
-    submenuItem: {
-        color: '{navigation.submenu.color}'
+    overlay: {
+        padding: '0',
+        background: '{content.background}',
+        borderColor: '{content.border.color}',
+        borderRadius: '{content.border.radius}',
+        color: '{content.color}',
+        shadow: '{overlay.navigation.shadow}',
+        gap: '0.5rem'
+    },
+    submenu: {
+        padding: '{navigation.list.padding}',
+        gap: '{navigation.list.gap}'
+    },
+    submenuLabel: {
+        padding: '{navigation.submenu.label.padding}',
+        fontWeight: '{navigation.submenu.label.font.weight}',
+        background: '{navigation.submenu.label.background.}',
+        color: '{navigation.submenu.label.color}'
+    },
+    submenuIcon: {
+        size: '{navigation.submenu.icon.size}',
+        color: '{navigation.submenu.icon.color}',
+        focusColor: '{navigation.submenu.icon.focus.color}',
+        activeColor: '{navigation.submenu.icon.active.color}'
     },
     separator: {
         borderColor: '{content.border.color}'
     },
-    mobileToggle: {
+    mobileButton: {
+        borderRadius: '50%',
+        size: '2rem',
         color: '{text.muted.color}',
         hoverColor: '{text.muted.hover.color}',
-        hoverBackground: '{content.hover.background}'
+        hoverBackground: '{content.hover.background}',
+        focusRing: {
+            width: '{focus.ring.width}',
+            style: '{focus.ring.style}',
+            color: '{focus.ring.color}',
+            offset: '{focus.ring.offset}',
+            shadow: '{focus.ring.shadow}'
+        }
+    },
+    colorScheme: {
+        light: {
+            root: {
+                background: '{surface.100}'
+            }
+        },
+        dark: {
+            root: {
+                background: '{surface.800}'
+            }
+        }
     }
 };