body {
    background: linear-gradient(to right, #d3cce3, #e9e4f0);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.calculator-display {
    width: 300px;
    height: 50px;
    margin: 10px auto 15px auto;
    background-color: #e3e3e3;
    border-radius: 12px;
    box-shadow: inset -2px -2px 5px rgba(255, 255, 255, 0.6),
        inset 2px 2px 5px rgba(0, 0, 0, 0.1);
    font-size: 28px;
    font-family: 'Courier New', monospace;
    text-align: right;
    padding: 10px;
    color: #333;
    overflow-x: auto;
}

.calculator-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 350px;
    padding: 20px 10px;
    background-color: #fcecef;
    border-radius: 20px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.button-row {
    padding: 25px;
}

.calculator-button {
  width: 60px;
  height: 60px;
  margin: 5px;
  border-radius: 50%;
  border: none;
  font-size: 24px;
  font-weight: bold;
  color: #555;
  box-shadow: 2px 2px 5px rgba(0,0,0,0.1);
  cursor: pointer;
  transition: transform 0.1s ease-in-out;
}

.calculator-button:hover {
    transform: scale(1.05);
}

.btn-pink {
    background-color: #fbd6ea;
}

.btn-yellow {
    background-color: #fef5c3;
}

.btn-green {
    background-color: #d9f5d1;
}

.btn-blue {
    background-color: #d6ecfa;
}