diff --git a/src/viewer/App.tsx b/src/viewer/App.tsx
index def7991..0424772 100644
--- a/src/viewer/App.tsx
+++ b/src/viewer/App.tsx
@@ -112,8 +112,7 @@ export default class App extends React.Component<Props, State> {
 			currentStructureMatchIndex: null,
 			currentStructureMatch: [],
 			lastSelectedRow: undefined,
-			// collapsibleRows: {},
-			collapsibleRows: { 1: constructNewSegment(1, 10, 0), 2: constructNewSegment(2, 6, 1), 5: constructNewSegment(5, 15, 0), 7: constructNewSegment(7, 10, 1), 0 : constructNewSegment(0, 20, 2)},
+			collapsibleRows: {},
 		};
 
 		this.onMessage = this.onMessage.bind(this);
diff --git a/src/viewer/hooks/useStyleManager.ts b/src/viewer/hooks/useStyleManager.ts
index 272f659..c4275da 100644
--- a/src/viewer/hooks/useStyleManager.ts
+++ b/src/viewer/hooks/useStyleManager.ts
@@ -97,12 +97,10 @@ export const getSegmentStyle = (columnWidth: number, height: number): React.CSSP
 
 export const getSegmentRowStyle = (segmentWidth: number, top: number): React.CSSProperties => {
 	const segmentRowStyle: React.CSSProperties = {
-		position: "sticky",
+		position: "absolute",
 		height: LOG_ROW_HEIGHT,
 		top: top,
 		width: segmentWidth,
-		left: 0,
-		zIndex: 100,
 	}
 	return segmentRowStyle;
 }
diff --git a/src/viewer/log/LogView.tsx b/src/viewer/log/LogView.tsx
index 768a678..d19e804 100644
--- a/src/viewer/log/LogView.tsx
+++ b/src/viewer/log/LogView.tsx
@@ -174,12 +174,14 @@ export default class LogView extends React.Component<Props, State> {
 				result.push(
 					<div style={{ display: "flex", flexDirection: "row", flexWrap: "nowrap" }}>
 						{Object.keys(this.props.collapsibleRows).length > 0 &&
-						<div
-							style={segmentStyle}
-							key={"seg" + r}
-							className="box1"
-						>
-							{rowResult}
+						<div style= {{ position: "sticky", left: 0 , zIndex: 100}}>
+							<div
+								style={segmentStyle}
+								key={"seg" + r}
+								className="box1"
+							>
+								{rowResult}
+							</div>
 						</div>}
 						<div
 							key={r}