h2.title_header,
h2.Com_tit {
    margin-bottom: 0;
}

h2.ar_h2 {
    line-height: 35px;
    margin: 0 10px 0 0;
    text-align: center;
    float: left;
    height: 35px;
    padding: 0 10px;
    background: #fff;
    font-size: 14px;
    border: 1px solid #ccc;
    cursor: pointer;
}

.ar_header {
    overflow: hidden;
    margin-bottom: 20px;
    margin-top: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

h2.ar_h2.on {
    background: #C53D39;
    color: #fff;
}

h2.ar_h2:hover {
    background: #C53D39;
    color: #fff;
}

.ar_item {
    display: none;
}

.ar_item.on {
    display: block;
}

ul.affiche_01 {
    line-height: 30px;
}

@media screen and (max-width:768px) {
    .ar_header {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    h2.ar_h2 {
        line-height: initial;
        margin: 0;
        height: 35px;
        font-size: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .ar_Description {
        line-height: 26px;
    }
}