body {
  font-family: Arial, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background-image: linear-gradient(to top, #a18cd1 0%, #fbc2eb 100%);
  margin: 0;
}

.calculator {
  background-color: #333232b2;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  width: 300px;
}

.ecran input {
  width: 100%;
  height: 50px;
  font-size: 1.5em;
  text-align: right;
  margin-bottom: 10px;
  padding: 5px;
  border: 1px solid #ccc;
  border-radius: 5px;
  color: black;
  background-color: #87CEEB;
 }

.buttons button {
  width: 60px;
  height: 60px;
  margin: 5px;
  font-size: 1.2em;
  border: none;
  border-radius: 5px;
  background-color: white;
  color: black;
  cursor: pointer;
}