extract fake DOS terminal into a separate component

components/Terminal/Terminal.module.css

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+.terminal {
+  width: 100%;
+  height: 100%;
+  padding: 1em;
+
+  background-color: #000000;
+  color: #cccccc;
+
+  font-size: 0.925em;
+  font-weight: 500;
+  line-height: 2;
+  white-space: pre-wrap;
+  user-select: none;
+}
+
+.blink {
+  display: inline-block;
+  vertical-align: text-bottom;
+  width: 10px;
+  border-bottom: 2px solid #cccccc;
+  animation: blink 1s step-end infinite;
+}
+
+@keyframes blink {
+  50% {
+    opacity: 0;
+  }
+}

components/Terminal/Terminal.tsx

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+import { forwardRef } from "react";
+import classNames from "classnames";
+import type { Ref, HTMLAttributes } from "react";
+
+import styles from "./Terminal.module.css";
+
+type Props = HTMLAttributes<HTMLDivElement>;
+
+// a DOS-style terminal box with dynamic text
+const Terminal = forwardRef(function Terminal({ className, ...rest }: Props, ref: Ref<HTMLSpanElement>) {
+  return (
+    <div className={classNames("monospace", className, styles.terminal)} {...rest}>
+      <span ref={ref} /> <span className={styles.blink} />
+    </div>
+  );
+});
+
+export default Terminal;