div.ui-notebook {
    flex: 100%;
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    width: 100%;
}

div.ui-notebook div.ui-notebook-pages {
    flex:100%;
    z-index: 3;
    background-color: #ffffff;
    border: 1px solid #3ea9c9;
    width: 100%;
}

div.ui-notebook div.ui-notebook-pages div.ui-notebook-page {
    display:none;
}
div.ui-notebook div.ui-notebook-pages div.ui-notebook-page.active {
    display:block;
    width: 100%;
}

div.ui-notebook div.ui-notebook-headers {
    flex:100%;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    width: 100%;
}

div.ui-notebook div.ui-notebook-headers div.ui-notebook-tab {
    flex: 1 1 auto;
    position: relative;
    top: 1px;
    background-color: #f2f2f2;
    /* max-width: 100px; */
    max-width: max-content;
    padding: 10px 15px;
    text-align: center;
    z-index: 0;
    cursor: pointer;
}
div.ui-notebook div.ui-notebook-headers div.ui-notebook-tab.active {
    border-left: 1px solid #3ea9c9;
    border-top: 2px solid #3ea9c9;
    border-right: 1px solid #3ea9c9;
    border-bottom: none;
    background-color: #ffffff;
    z-index: 5;
}

#default_backdrop {
    position: fixed;
    display: none;
    width: 100vw;
    height: 100vh;
    top: 0px;
    right: 0px;
    bottom: 0px;
    left: 0px;
    z-index: 1100;
    background-color: #5555555e;
}

#default_backdrop.active {
    display: flex;
    justify-content: center;
    align-items: center;
    align-content: center;
}