:root{
    --black20: #cecfd1;
}

#title{
    margin-left: 39px;
}

ol{
    font-size: 24px;
    font-weight: 600;
}

.blockTitle.top {
    padding-top: 80px;
}

.blockTitle{
    margin-bottom: 16px;
}

.blockText{
    font-size: 16px;
    font-weight: 400;
    margin-bottom: 32px;
}

.blockText.bottom {
    margin-bottom: 0;
}

#mainSection{
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: flex-start;
    margin: 272px 0 112px;
}

#sommaire{
    display: inline-block;
    font-size: 16px;
    font-weight: 400;
    text-align: end;
    list-style: none;
    margin-top: 135px;
    padding-right: 39px;
    width: 340px;
    height: stretch;
    border-right: solid 1px var(--black20);

    a{
        color: black;
    }

    li{
        margin-bottom: 16px;
    }
}

#mainList{
    display: inline-block;
    margin-left: 39px;
    width: 768px;
}

/* responsive */ 
@media(width < 1000px),(height < 450px)
{

    #sectionList{
        width: 100%;
    }

    #mainSection{
        margin: 248px 0 112px;
        display: block;
        width: 100%;
    }

    #sommaire{
        display: none;
    }

    #mainList{
        display: block;
        width: auto;
        margin: 0 24px;
    }

    #title{
        margin: 0 24px 0;
        font-size: 24px;
    }

    ol, .blockTitle{
        padding-top: 0px;
        font-size: 20px;
        font-weight: 500;
    }

    .blockText{
        font-size: 16px;
        font-weight: 400;
    }
}