body {
  background: linear-gradient(90deg, #010031, #051a52);
  display: flex;
  justify-content: center;
}
.container {
  background: #262257;
  width: 350px;
  height: 500px;
  border-radius: 5px;
  border: #ffffff 2px solid;
  margin: 1%;
}
.screenContainer {
  width: 100%;
  padding: 10px;
  box-sizing: border-box;
}
.screen {
  background: #ffffff;
  resize: none;
  width: 100%;
  height: 80px;
  border: none;
  border-radius: 5px;
  padding: 10px;
  font-size: 24px;
  box-sizing: border-box;
}
.buttonsContainer {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  padding: 20px;
}
button {
  background: #4a4a8a;
  color: white;
  border: none;
  border-radius: 5px;
  padding: 20px;
  font-size: 18px;
  cursor: pointer;
}
button:hover {
  background: #6a6ab8;
}