#div_accueil{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 35vh;
    background-image: url(../images/photo_ateliers2.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    margin-top: 0;
    margin-bottom: 2%;
}

#div_accueil h1{
    color:var(--couleur-jaune);
    /* text-shadow: -5px 5px var(--couleur-violet); */
}
  
/* Style des boutons */
#div_accueil a {
background-color: var(--couleur-jaune);
color: #fff;
border-bottom: 1px solid var(--couleur-violet);
border-left: 1px solid var(--couleur-violet);
padding: 10px 20px;
font-size: 18px;
cursor: pointer;
box-shadow: -2px 2px var(--couleur-violet);
transition: all .2s ease;
}

/* Style des boutons hover */
#div_accueil a:hover {
background-color: var(--couleur-violet);
transition: all .2s ease;
}

#presentation_entreprises{
    display: flex;
    flex-direction: column;
    width: 80%;
    margin: auto;
}

.container_entreprises{
    justify-content: center;
    align-items: center;
    text-align: center;
    margin-bottom: 7vh;

}

.container_entreprises img{
    height: 13vh;
}

.container_entreprises p {
    text-align: justify;
    margin-bottom: 3vh;
}

.ligne{
    margin:0;
}

@media screen and (max-width: 100vh) {
    .container_entreprises img{
        min-height: 7vh;
        max-height: 13vh;
        max-width: 70%;
        height: auto;
    }
}