main6.css

html,
body,
#viewDiv {
  padding: 0;
  margin: 0;
  height: 100%;
  width: 100%;
}
#optionsDiv {
  width: 250px;
  padding: 0 12px 0 12px;
  background-color: white;
  padding: 10px;
}
.panel-container {
      position: relative;
      width: 100%;
      height: 100%;
    }

    .panel-side {
      padding: 2px;
      box-sizing: border-box;
      width: 300px;
      height: 100%;
      position: absolute;
      top: 0;
      right: 0;
      color: #fff;
      background-color: rgba(0, 0, 0, 0.6);
      overflow: auto;
      z-index: 60;
    }

    .panel-side h2 {
      padding: 0 20px;
      margin: 20px 0;
    }

    .panel-side ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .panel-side li {
      padding: 5px 20px;
    }

    .panel-result {
      cursor: pointer;
      margin: 2px 0;
      background-color: rgba(0, 0, 0, 0.3);
    }

    .panel-result:hover,
    .panel-result:focus {
      color: orange;
      background-color: rgba(0, 0, 0, 0.75);
    }