body {
  background-color: #0f172a;
}
.card {
  background-color: #ffffff;
  border-radius: 1em;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  width: 380px;
  overflow: hidden;
}
.calc {
  background: linear-gradient(to bottom right, #f8fafc, #f1f5f9);
  padding: 2rem;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.button {
  height: 4em;
  border-radius: 1em;
  color: #334155;
}
.buttongrid {
  background-color: #f1f5f9;

  height: 4em;
  border-radius: 1em;
  color: #334155;
}
.buttongrid:hover {
  background-color: #e2e8f0;
}