html, body {
  background: #f5f5f5;
  margin: 0;
  height: 100%;
}

body {
  padding: 1rem;
  color: #000;
  font-size: 1rem;
  font-family: 'Proxima Nova', 'proxima-nova', sans-serif;
  font-weight: normal;
  line-height: 1.6;
  letter-spacing: 0.8px;
}

h1 {
  line-height: 1;
  margin: 0;
}

* {
  box-sizing: border-box;
}

#root {
  height: 100%;
}

#app {
  height: 100%;
  display: flex;
  flex-direction: column;
}

main {
  display: flex;
  flex: 1;
  overflow: hidden;
  > div {
    flex: 1;
    margin: 0 1rem 0 0;
  }
}