hello-agents/code/chapter14/helloagents-deepresearch/frontend/src/style.css

:root {
  color: #1a1a1a;
  background-color: #f6f6f6;
  font-family: "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

#app {
  min-height: 100vh;
}