diff --git a/api/js/etemplate/Layout/Et2Details/Et2Details.ts b/api/js/etemplate/Layout/Et2Details/Et2Details.ts
index aa9d764a50..d3d9c7d930 100644
--- a/api/js/etemplate/Layout/Et2Details/Et2Details.ts
+++ b/api/js/etemplate/Layout/Et2Details/Et2Details.ts
@@ -8,11 +8,12 @@
  */
 
 import {Et2Widget} from "../../Et2Widget/Et2Widget";
-import {css} from "lit";
+import {css, html} from "lit";
 import {SlDetails} from "@shoelace-style/shoelace";
 import shoelace from "../../Styles/shoelace";
 import {property} from "lit/decorators/property.js";
 import {customElement} from "lit/decorators/custom-element.js";
+import {classMap} from "lit/directives/class-map.js";
 
 @customElement("et2-details")
 export class Et2Details extends Et2Widget(SlDetails)
@@ -23,61 +24,83 @@ export class Et2Details extends Et2Widget(SlDetails)
 			...super.styles,
 			shoelace,
 			css`
-			:host {
-				display: block;
-			}
-			
-			:host([align="right"]) > div {
-				justify-content: flex-end;
-			}
-			:host([align="left"]) > div {
-				justify-content: flex-start;
-			}
-			/* CSS for child elements */
-			::slotted(*) {
-				flex: 1 1 auto;
-			}
-			::slotted(img),::slotted(et2-image) {
-				/* Stop images from growing.  In general we want them to stay */
-				flex-grow: 0;
-			}
-			::slotted([align="left"]) {
-				margin-right: auto;
-				order: -1;
-			}
-			::slotted([align="right"]) {
-				margin-left: auto;
-				order: 1;
-			}
+				:host {
+					display: block;
+				}
+				
+				:host([align="right"]) > div {
+					justify-content: flex-end;
+				}
 
-			.details {
-				border: var(--sl-panel-border-width) solid var(--sl-panel-border-color);
-				margin: 0px;
-			}
-			.details.hoist {
-				position: relative;
-			}
+				:host([align="left"]) > div {
+					justify-content: flex-start;
+				}
 
-			.details.hoist .details__body {
-				position: absolute;
-				z-index: var(--sl-z-index-drawer);
-				background: var(--sl-color-neutral-0);
-				box-shadow: var(--sl-shadow-large);
-				width: 100%;
-				min-width: fit-content;
-				border-radius: var(--sl-border-radius-small);
-				border: var(--sl-panel-border-width) solid var(--sl-panel-border-color);
-				max-height: 15em;
-				overflow-y: auto;
-			}
-			.details.hoist .details__body.overlaySummaryLeftAligned {
-				top: 0;
-				left: 2em;
-				width: calc(100% - 2em);
-			}
-			.details.hoist .details__body.overlaySummaryRightAligned {
-				top: 0;
-			}
+				/* CSS for child elements */
+
+				::slotted(*) {
+					flex: 1 1 auto;
+				}
+
+				::slotted(img), ::slotted(et2-image) {
+					/* Stop images from growing.  In general we want them to stay */
+					flex-grow: 0;
+				}
+
+				::slotted([align="left"]) {
+					margin-right: auto;
+					order: -1;
+				}
+
+				::slotted([align="right"]) {
+					margin-left: auto;
+					order: 1;
+				}
+
+				.details {
+					border: var(--sl-panel-border-width) solid var(--sl-panel-border-color);
+					margin: 0px;
+					overflow: hidden;
+				}
+
+				.details.hoist {
+					position: relative;
+				}
+
+				.details__body {
+					display: none;
+				}
+
+				.details--open .details__body {
+					display: block;
+				}
+
+				.details.hoist .details__body {
+					position: absolute;
+					z-index: var(--sl-z-index-drawer);
+					background: var(--sl-color-neutral-0);
+					box-shadow: var(--sl-shadow-large);
+					width: 100%;
+					min-width: fit-content;
+					border-radius: var(--sl-border-radius-small);
+					border: var(--sl-panel-border-width) solid var(--sl-panel-border-color);
+					max-height: 15em;
+					overflow-y: auto;
+				}
+
+				.details.hoist .details__body.overlaySummaryLeftAligned {
+					top: 0;
+					left: 2em;
+					width: calc(100% - 2em);
+				}
+
+				.details.hoist .details__body.overlaySummaryRightAligned {
+					top: 0;
+				}
+
+				.details__summary-icon--left-aligned {
+					order: -1;
+				}
 			`,
 		];
 	}
@@ -128,19 +151,6 @@ export class Et2Details extends Et2Widget(SlDetails)
 				this.addEventListener("mouseover", this.show);
 				window.document.addEventListener('mouseout', this._mouseOutEvent.bind(this));
 			}
-			if (this.hoist)
-			{
-				this.shadowRoot.querySelector('.details').classList.add('hoist');
-			}
-			if (this.toggleAlign === 'left')
-			{
-				this.shadowRoot.querySelector('.details__summary-icon').style.order = -1;
-			}
-			if (this.overlaySummaryOnOpen)
-			{
-				this.shadowRoot.querySelector('.details__body').classList.add(this.toggleAlign === 'left' ?
-					'overlaySummaryLeftAligend' : 'overlaySummaryRightAligned');
-			}
 		});
 	}
 
@@ -158,4 +168,57 @@ export class Et2Details extends Et2Widget(SlDetails)
 	{
 		if (!this.getDOMNode().contains(event.relatedTarget)) this.hide();
 	}
+
+	render()
+	{
+		const isRtl = this.matches(':dir(rtl)');
+
+		return html`
+            <div
+                    part="base"
+                    class=${classMap({
+                        details: true,
+                        'details--open': this.open,
+                        'details--disabled': this.disabled,
+                        'details--rtl': isRtl,
+                        'hoist': this.hoist
+                    })}
+            >
+                <summary
+                        part="header"
+                        id="header"
+                        class="details__header"
+                        role="button"
+                        aria-expanded=${this.open ? 'true' : 'false'}
+                        aria-controls="content"
+                        aria-disabled=${this.disabled ? 'true' : 'false'}
+                        tabindex=${this.disabled ? '-1' : '0'}
+                        @click=${this.handleSummaryClick}
+                        @keydown=${this.handleSummaryKeyDown}
+                >
+                    <slot name="summary" part="summary" class="details__summary">${this.summary}</slot>
+
+                    <span part="summary-icon" class=${classMap({
+                        "details__summary-icon": true,
+                        "details__summary-icon--left-aligned": this.toggleAlign == "left"
+                    })}>
+						<slot name="expand-icon">
+							<sl-icon library="system" name=${isRtl ? 'chevron-left' : 'chevron-right'}></sl-icon>
+						</slot>
+						<slot name="collapse-icon">
+							<sl-icon library="system" name=${isRtl ? 'chevron-left' : 'chevron-right'}></sl-icon>
+						</slot>
+					</span>
+                </summary>
+                <div class=${classMap({
+                    details__body: true,
+                    overlaySummaryLeftAligned: this.overlaySummaryOnOpen && this.toggleAlign === 'left',
+                    overlaySummaryRightAligned: this.overlaySummaryOnOpen && this.toggleAlign !== 'left',
+                })} role="region" aria-labelledby="header">
+                    <slot part="content" id="content" class="details__content"></slot>
+                </div>
+            </div>
+		`;
+	}
+
 }
\ No newline at end of file
diff --git a/api/js/etemplate/Layout/Et2Groupbox/Et2Groupbox.ts b/api/js/etemplate/Layout/Et2Groupbox/Et2Groupbox.ts
index 653c312100..86a1b616e1 100644
--- a/api/js/etemplate/Layout/Et2Groupbox/Et2Groupbox.ts
+++ b/api/js/etemplate/Layout/Et2Groupbox/Et2Groupbox.ts
@@ -39,18 +39,15 @@ export class Et2Groupbox extends Et2Details
                     display: none;
                 }
 
-                details {
+				.details {
 					height: 100%;
                     position: relative;
-                    margin: 2px;
+					display: flex;
+					flex-direction: column;
                 }
 
-				/* work around details not respecting flex
-				height is 100% - header - border radius
-				 */
-
 				.details__body {
-					height: calc(100% - 2em - var(--sl-border-radius-medium)) !important;
+					flex: 1 1 auto;
 					position: relative;
 				}
 
@@ -62,21 +59,15 @@ export class Et2Groupbox extends Et2Details
 				.details__content {
 					overflow: hidden;
 					overflow-y: auto;
-					height: calc(100% - 2 * var(--sl-spacing-medium));
+					height: 100%;
 				}
 
-				/* end workaround */
-
 				summary {
+					flex: 0 0 auto;
                     pointer-events: none;
                 }
 
-                /*.details {
-					border-color: var(--sl-color-neutral-500);
-					border-width: 2px;
-				}*/
-
-                details.summaryOnTop > summary {
+				.details.summaryOnTop > summary {
                     position: absolute;
                     pointer-events: none;
                     width: fit-content;
@@ -86,10 +77,11 @@ export class Et2Groupbox extends Et2Details
                     background: var(--sl-color-neutral-0);
                 }
 
-                details.summaryOnTop {
+				.details.summaryOnTop {
                     padding-top: .5rem;
                     margin-top: .5rem;
 					height: auto;
+					overflow: visible;
                 }
 			`,
 		];
@@ -106,7 +98,7 @@ export class Et2Groupbox extends Et2Details
 	{
 		super.firstUpdated(changedProperties);
 
-		this.shadowRoot.querySelector('details').classList.toggle('summaryOnTop', !this.summaryInside);
+		this.shadowRoot.querySelector('.details').classList.toggle('summaryOnTop', !this.summaryInside);
 	}
 
 	/**
@@ -121,7 +113,7 @@ export class Et2Groupbox extends Et2Details
 
 		if (changedProperties.has('summaryInside'))
 		{
-			this.shadowRoot.querySelector('details').classList.toggle('summaryOnTop', !this.summaryInside);
+			this.shadowRoot.querySelector('.details').classList.toggle('summaryOnTop', !this.summaryInside);
 		}
 	}
 }
\ No newline at end of file