* {
  margin: 0px;
  padding: 0px;
}

.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  padding: 0;
}

.card {
  margin-top: 50px;
}

.card-title {
  text-align: center;
}

.btn {
  margin-top: 10px;
}

#home {
  margin-top: 10px;
  margin-left: 10px;
}

.row {
  margin-top: 10px;
}

.calculator-container{
  width: 100%;
  height: 500px;
  padding-top: 20px;
}

#calculator{
  height: 100%;
}