.tab-sub-title {
    text-align: center;
    font-size: 1.5vw;
    padding: 5px;
    margin-right: 3px;
    border-radius: 0px 10px 0px 0px;
    cursor: pointer;
}
.tab-sub-title:hover {
    background-color: rgb(236, 228, 228);
}
.tab-sub-active {

    background-color: rgb(214, 214, 214); 
    margin-bottom: -1px;
    color: black;
    border: solid black 1px

}