.mar0
{
    margin-left:-10px;
    margin-right:-10px;
}

.tab-btn-align
{
    text-align: start;
}
.popup-btn{
    letter-spacing:3px;
    width:150px;
    font-size:15px;
    top:250px;
    position:fixed;
    right:-59px;
    z-index: 1000;
    transform: rotate(-90deg);
    background-color: #3F63FF !important;
    padding:3px 40px 24px 40px;
    height: 0px;
    background-color: #000;
    color:#fff;
    border-radius:10px;
}
.popup-btn:hover{
    text-decoration: none;
    color:#fff;
}