* {
  margin: 0;
  padding: 0;
}
body {
  background-color: #6c64ff;
}
.container {
  margin: auto;
  height: 500px;
  width: 330px;
  margin-top: 100px;
}

form {
  height: 100%;
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
.calculator {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  height: 100%;
  width: 100%;
  background-color: black;
  border-radius: 15px;
}

.display {
  padding-top: 20px;
  height: 80px;
}
input {
  background-color: black;
  height: 80px;
  width: 280px;
  border: none;
  color: white;
  font-size: 35px;
  text-align: right;
  direction: ltr;
}

input:focus,
select:focus,
textarea:focus,
button:focus {
  outline: none;
}
.button {
  display: flex;
  flex-wrap: wrap;
  height: 70px;
}
button {
  margin: 5px;
  height: 60px;
  width: 60px;
  border-radius: 15px;
  background-color: rgb(48, 53, 73);
  color: white;
  font-size: 22px;
  border: none;
  cursor: pointer;
}