/* ESTILOS BASE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: background-color 0.3s ease;
}

.calculador {
    padding: 20px;
    border-radius: 20px;
    width: 300px;
    height: 500px;
    position: relative;
    overflow: hidden;
    transition: background-color 0.3s ease;
}

.first-row {
    display: flex;
    flex-direction: row-reverse;
    justify-content: space-between;
}