body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    /*background-color: #343a40;*/
}

.pageBase {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    z-index: 10;
    height: 100%;
    /*background-color: #343a40;*/
}