#divExpandViewArea{
    position: fixed;
    color: white;
    /* border-radius: 10px; */
    padding: 2.5px 10px;
    right: 5px;
    top: 390px;
    cursor: pointer;
    opacity: 0.9;
    background-color: gray;
}
 
#divCollapseViewArea{
    position: fixed;
    color: white;
    /* border-radius: 10px; */
    padding: 2.5px 10px;
    right: 5px;
    top: 420px;
    cursor: pointer;
    opacity: 0.9;
    background-color: gray;
}