er{
            /* height: 200px; */
            overflow-y: scroll;
        }
       textarea{
        border: 2px solid darkgray;
       }
       .scrollwr{
           height: 1000px;
           border: 2px solid darkgray;
       }

       #default > * {
           margin: 0;
       }
       #vi{
           height: 100px;
           visibility: hidden;
           /* display: none; */
       }
       #turnpage{
           border: 1px solid grey;
           margin-top: 10px;
           display: inline-block