2 files changed, 10 insertions, 4 deletions
diff --git a/extension/react-app/src/components/HeaderButtonWithText.tsx b/extension/react-app/src/components/HeaderButtonWithText.tsx
index 3ddac93c..72a653c5 100644
--- a/extension/react-app/src/components/HeaderButtonWithText.tsx
+++ b/extension/react-app/src/components/HeaderButtonWithText.tsx
@@ -8,15 +8,17 @@ interface HeaderButtonWithTextProps {
   children: React.ReactNode;
   disabled?: boolean;
   inverted?: boolean;
+  active?: boolean;
 }
 
 const HeaderButtonWithText = (props: HeaderButtonWithTextProps) => {
   const [hover, setHover] = useState(false);
+  const paddingLeft = (props.disabled ? (props.active ?  "3px" : "1px"): (hover ? "4px" : "1px"));
   return (
     <HeaderButton
       inverted={props.inverted}
       disabled={props.disabled}
-      style={{ padding: "1px", paddingLeft: hover ? "4px" : "1px" }}
+      style={{ padding: (props.active ?  "3px" : "1px"), paddingLeft, borderRadius: (props.active ?  "50%" : undefined) }}
       onMouseEnter={() => {
         if (!props.disabled) {
           setHover(true);
diff --git a/extension/react-app/src/components/StepContainer.tsx b/extension/react-app/src/components/StepContainer.tsx
index 35d34976..183ffeef 100644
--- a/extension/react-app/src/components/StepContainer.tsx
+++ b/extension/react-app/src/components/StepContainer.tsx
@@ -10,9 +10,12 @@ import {
 import {
   ChevronDown,
   ChevronRight,
-  XMark,
   ArrowPath,
+  XMark
 } from "@styled-icons/heroicons-outline";
+import {
+  Stop,
+} from "@styled-icons/heroicons-solid";
 import { HistoryNode } from "../../../schema/HistoryNode";
 import ReactMarkdown from "react-markdown";
 import HeaderButtonWithText from "./HeaderButtonWithText";
@@ -207,9 +210,10 @@ function StepContainer(props: StepContainerProps) {
                   e.stopPropagation();
                   props.onDelete();
                 }}
-                text="Delete"
+                text={props.historyNode.active ? "Stop" : "Delete"}
+                active={props.historyNode.active}
               >
-                <XMark size="1.6em" onClick={props.onDelete} />
+                {props.historyNode.active ? <Stop size="1.6em" onClick={props.onDelete} /> :<XMark size="1.6em" onClick={props.onDelete} />}
               </HeaderButtonWithText>
               {props.historyNode.observation?.error ? (
                 <HeaderButtonWithText