.overlap_analysis_selection_area {
    overflow:auto; 
    /* width:50%;  */
    max-width: 100%;
    height:300px; 
    border:2px solid silver; 
    border-radius:10px;
    /* background-color: red; */
    text-align: left;
    padding-left: 1em;
    padding-top: 1em;
}