.file_btn {
    background-image: url(file_btn.png);
    border: none;
    width: 132px;
    height: 40px;
    cursor: pointer;
  }
.logoff_btn {
    background-image: url(logoff_btn.png);
    border: none;
    width: 108px;
    height: 40px;
    cursor: pointer;
  }
.brws_btn {
    background-image: url(brws_btn.png);
    border: none;
    width: 65px;
    height: 30px;
    cursor: pointer;
  }
.done_btn {
    background-image: url(done_btn.png);
    border: none;
    width: 110px;
    height: 40px;
    cursor: pointer;
  }
.yes_btn {
    background-image: url(yes_btn.png);
    border: none;
    width: 63px;
    height: 40px;
    cursor: pointer;
  }
.no_btn {
    background-image: url(no_btn.png);
    border: none;
    width: 63px;
    height: 40px;
    cursor: pointer;
  }