.captcha-form {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.captcha-quest {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
    margin: 1rem 0;
}

/* le calcul en glyphes du sprite */
#calcul {
    display: inline-flex;
    gap: 4px;
    /*background: #eef;*/
    padding: 0.5rem 1rem;
    border-radius: 8px;
    user-select: none;
}

#reponse {
    width: 5rem;
    padding: 0.5rem;
    border: 2px solid #ccc;
    border-radius: 8px;
    font-size: 1.2rem;
    text-align: center;
}

#refresh {
    border: none;
    background: none;
    cursor: pointer;
    font-size: 1.2rem;
}

.glyphe { zoom: .75; }

.succes { color: #2a9d3f; }
.erreur  { color: #d33; }