.titre_actu {
    text-align: center;
    font-weight: bold;
}

.nom_actu {
    padding-top: 10px;
    font-weight: bold;
}

.boutons_actu {
    display: flex;
    margin: auto;
    text-align: center;
    padding-top: 20px;
    padding-bottom: 20px;
}

@media (max-width: 980px){
    .boutons_actu {
        visibility: hidden;
    }

    .case_actu {
        z-index: 1;
        flex: 1;
        margin-left: auto;
        margin-right: auto;
        margin-top: 20px;
        margin-bottom: 20px;
        padding: 60px;
        padding-bottom: 1px;
        max-width: 80%;
        min-width: 80%;
        width: 40%;
        border-width: 1px;
        border-radius: 20px;
        background-color: lightgrey;
        text-align: center;
        position : relative;
        box-shadow: dimgrey 10px 10px 10px;
    }
}
.boite {
    flex: 1;
    z-index: auto;
    position: relative;
    border-radius: 3px 3px 3px 3px;
    padding: 10px;
    margin-top: 10px;
    padding-bottom: 10px;
    border: none;
    font-size: 20px;
    text-align: left;
    font-style: oblique;
    transition: all 300ms ease-out;
    background-color: orange;
}

.boite:hover,
.boite:focus {
    background-color: lightgrey;
    color: white;
}

.but1_actu {
    flex: 1;
    text-align: center;
}

.but2_actu {
    flex: 1;
    text-align: center;
}

.but3_actu {
    flex: 1;
    text-align: center;
}

.grille_actu {
    margin: auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;

}

.case_actu {
    flex: 1;
    margin-left: auto;
    margin-right: auto;
    margin-top: 20px;
    margin-bottom: 20px;
    padding: 20px;
    padding-bottom: 1px;
    max-width: 400px;
    min-width: 400px;
    width: 40%;
    border-width: 1px;
    border-radius: 20px;
    background-color: lightgrey;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.case_actu:hover {
    transform: translateY(-10px);
    box-shadow: 0px 65px 90px -55px #565656;}

.case_noire_actu {
    maw-width: 380px;
    width: 100%;
    padding-bottom: 3px;
    background-color: lightgrey;
    border-radius: 20px;
}

.footer_case_actu {
    margin-top: 10px;
    padding-top: 10px;
    text-align: center;
    background-color: darkgrey;
    border-radius: 2px 2px 2px 2px;
}

.img_actu {
    max-width: 400px;
    width: 100%;
    height: 100%;
    border-radius: 20px 20px 0px 0px;
}

.active3 {
    text-align: center;
    padding-right: 20px;
    padding-left: 20px;
    font-weight: bold;
    text-decoration: underline;
}

.padbot {
    margin-bottom: 10%;
}

.bigpadbot {
    margin-bottom: 35%;
}