.couverture {
    text-align: center;
    max-width: 100%
    }
svg {
    height: 96%;
    width: 98%
    }
.img {
    max-width: 100%;
    height: auto !important;
    height: 100%
    }
.pageblanche {
    page-break-before: always
    }
.filet_couverture {
    border: 1px solid #000
    }