.page {
    display: flex;
    flex-wrap: wrap;
    background-color: #b4b4b4;
    width : 80%;
    margin : 0 auto;
    margin-top: 20px;
    min-width: 460px;
    max-width: 1300px;
    border-radius: 20px;
    z-index: 1;
}

.image_article {
    flex: 1;
    padding: 20px;
    width: 100%;
    margin: auto;
    max-width: 500px;
    min-width: 400px;
    z-index: 1;
}

.img {
    width: 100%;
    height: 100%;
    border-radius: 20px;

}

.zone-texte {
    flex: 1;
    padding-left: 20px;
    padding-right: 20px;
    background-color: #c7c7c7;
    border-radius: 20px;
    min-width: 460px;
    z-index: 1;
}

titre {
    font-size: 50px;
}

.gestion_stock {
    padding-bottom: 10px;
}

gestion_stock {
    font-size: 20px;
    background-color: white;
    border-radius: 15px;
    padding-left: 10px;
    padding-right: 10px;
    padding-top: 5px;
    padding-bottom: 5px;
}

.prix {
    font-size: 30px;
    padding-bottom: 10px;
}

.vert_stock {
    color: green;
}
.orange_stock {
    color: orange;
}
.rouge_stock {
    color: red;
}

.taille {
    padding-top: 40px;
}

.quantite {
    padding-bottom: 30px;
}

.ligne {
    border: none;
    border-top: 2px solid #000000;
    margin: 30px;
    margin-top: 20px;
    margin-bottom: 20px
}

.button {
    text-align: center;
    margin-bottom: 20px;
}

.but_ajout_panier {
    color: white;
    border-radius: 20px;
    padding: 8px;
    border: none;
    font-size: 30px;
    font-style: oblique;
    transition: all 300ms ease-out;
    background-color: black;
}

.but_ajout_panier:hover,
.but_ajout_panier:focus {
    background-color: #FFA500;
    color: black;
}

.error{
    color: red;
    font-size: larger;
    font-weight : bolder;
}

@media screen and (max-width: 800px) {
    .but_ajout_panier {

    }
}