body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background: linear-gradient(135deg, #b83275 0%, #d348d8 100%);
}
.calculadora {
    width: 300px;
    padding: 20px;
    border: 2px solid black;
    background-color: rgb(230, 100, 202);
    border-radius: 10px;
}
#pantalla {
    width: 100%;
    height: 50px;
    font-size: 25px;
    text-align: right;
    margin-bottom: 15px;
    box-sizing: border-box;
}
.botones {
    background-color: rgb(221, 140, 210);
    padding: 10px;
    border-radius: 10px;
    display: grid;
    grid-template-columns: repeat(4, 60px);
    gap: 5px;
    justify-content: center;
}
button {
    width: 60px;
    height: 50px;
    margin: 3px;
    font-size: 20px;
    cursor: pointer;
}
#borrar,
#igual {
    grid-column: span 2;
    width: auto;
}