body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #bb8bd6;
}

.calculadora {
    background-color: #cf7fc5;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    padding: 20px;
    width: 300px;
    box-shadow: #a15998 15px 15px 20px;
}

#display {
    width: 100%;
    height: 40px;
    font-size: 24px;
    text-align: right;
    margin-bottom: 10px;
    padding: 5px;
    border: 1.75px solid #b63e8e;
    border-radius: 5px;
}

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

button {
    padding: 20px;
    font-size: 18px;
    border: none;
    border-radius: 5px;
    background-color: #9c2583;
    color: white;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #9e00b3;
}

button:active {
    background-color: #7a1f6c;
}

#igual {
    background-color: #750851;
    width: 100%;
    grid-column: span 2;
}