.bir-cont-center-container {
    padding: 0px 10px;
    margin-bottom: 10vh;
    margin-left: auto;
    margin-right: auto;
    width: 40vw;
    height: 100%;
    background-color: #ffff;
    display: flex;
    flex-direction:column;
    justify-content: flex-start;
    align-items: center;
    overflow: hidden;
}
.bir-header-cont{
    padding-top: 20px;
    text-align: center;
}
.bir-cont-header{
    font-weight: bolder;
    font-size: 130%;
}
.bir-cont-subheader{
    padding-top: -30px;
    font-weight: bolder;
    font-size: 125%;
}
.bir-cont-subheader2{
    font-weight: bolder;
    font-size: 120%;
}
.table-bir-cont, td.left, th.left {
    text-align: left;
    border:0;
    }
    .td-right{
        text-align:right;
        padding-right:15px;
        border:0;
    }
    .td-center{
        text-align:center;
        border:0;
    }

    /* ========2nd tab====== */