body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: #1e1e1e;
    font-family: Arial, sans-serif;
}

.Calculator {
    background: #2c2c2c;
    padding: 20px;
    border-radius: 15px;
    width: 280px;
}

.Calculator input {
    width: 100%;
    height: 60px;
    font-size: 24px;
    text-align: right;
    margin-bottom: 15px;
    border: none;
    border-radius: 10px;
    padding: 10px;
    background: black;
    color: white;
}


.buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

button {
    height: 55px;
    font-size: 18px;
    border: none;
    border-radius: 10px;
    background: #3a3a3a;
    color: white;
    cursor: pointer;
}


.equal {
    grid-column: span 4;
    background: #ff9500;
}