body {
  margin: 0;
  /* border: solid 2px red; */
  width: 50%;
  height: 50%;
  min-width: 400px;
  margin: 10% auto auto auto;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}
h1 {
  padding: 1rem;
  color: white;
}
.container {
  /* border: solid 2px red; */
  border-radius: 1rem;
  text-align: center;
  padding: 0.1rem;
}

.result {
  border-radius: 0 0 1rem 1rem;
  padding: 1rem;
  background-color: #1f2937;
  color: white;
}

.hero {
  border-radius: 1rem 1rem 0 0;
  padding: 1rem;
  background-color: 6943FF;
  display: block;
  flex-direction: column;
  justify-content: center;
  align-content: space-around;
  width: inherit;
}

.length {
  background-color: #273549;
  padding: 0.5rem;
  border-radius: 0.5rem;
  margin: 1rem;
}

.length h3 {
  color: #ccc1ff;
}

.volume {
  background-color: #273549;
  padding: 0.5rem;
  border-radius: 0.5rem;
  margin: 1rem;
}

.volume h3 {
  color: #ccc1ff;
}

.mass {
  background-color: #273549;
  padding: 0.5rem;
  border-radius: 0.5rem;
  margin: 1rem;
}

.mass h3 {
  color: #ccc1ff;
}

#point {
  font-size: 58px;
  border: solid 2px white;
  color: white;
  background-color: transparent;
  padding-left: 1rem;
  padding-right: 1rem;
  border-radius: 0.25rem;
  width: 150px;
  text-align: center;
  /* margin-bottom: 10px; */
}

button {
  margin-top: 1rem;
  padding: 0.5rem 1rem;
  /* border-radius: 0.5rem; */
}