.tab_syn{
    padding: 59px 2.5% 0 2.5%;
    padding-top: 59px;
    background-color: white;
    grid-area: tab;
    text-align: justify;
    display: grid;
    grid-template-columns: 100%;
    grid-template-rows: 50px 110px auto;
    gap: 1% 0;
    grid-auto-flow: row;
    justify-content: space-around;
    align-content: stretch;
    justify-items: stretch;
    align-items: stretch;
    grid-template-areas:
    "tittle"
    "answer-tab"
    "tableau";
}

.answer-tab{
    grid-area: answer-tab;
    margin-top: 15px;
}
.tableau{
    grid-area: tableau;
    display: grid;
    grid-template-columns: 80% 19%;
    grid-template-rows: auto;
    gap: 0 1%;
    grid-auto-flow: row;
    justify-content: space-around;
    align-content: stretch;
    justify-items: stretch;
    align-items: stretch;
    grid-template-areas:
    "iframe button";
}
.tab_syn iframe{
    grid-area: iframe;
    position: relative;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    height: 700px;
}
.download{
    grid-area: button;
}
/*.download a{display: none;}*/
.download .btn{
    position: relative;
    width: 250px;
    height: 40px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    justify-content: center;
    text-align: center;
    padding: 5px 0;
    border-radius: 50px;
    font-size: 20px;
}