.calculadora {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            grid-gap: 10px;
            margin: 0 auto;
            border-radius: 8px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
            z-index: 100000010;
        }

        .boton-punta {
            color: white;
            border: none;
            border-radius: 20px 5px 5px 20px;
            cursor: pointer;
            border: 1px solid #ec2300;
        }