* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;

    /* @font */
    font-family: Arial, Helvetica, sans-serif;
    font-size: 1.3rem;
}

body {
    /* @grid */
    display: grid;

    /* @dimensions */
    height: 100vh;
}

.container {
    /* @grid */
    display: grid;
    justify-content: center;
    align-items: center;
    gap: 20px;

    /* @box */
    margin: auto 10px;
}

#output,
#respuesta {
    /* @box */
    padding: 12px;

    /* @visualbox */
    border-radius: 10px;
    border-width: 1px;
    border-style: solid;
    visibility: hidden;

    /* @text */
    text-align: center;
}

#output {
    /* @box */
    /* margin-bottom: 20px; */

    /* @visualbox */
    border-color: #dedede;
    background-color: #f5f5f5;

    /* @font */
    font-weight: bold;

    /* @text */
    color: #737373;
}

#respuesta {
    /* @box */
    /* margin-bottom: 20px; */
    /* @ */
    /* @visualbox */
    border-color: #dbf0bb;
    background-color: #f4faeb;
    /* @ */
    /* @ */
    color: #548012;
}

.button {
    justify-self: center;
    /* @box */
    padding: 8px 10px;
}