ntextualMenu.is-open  {
      position: relative;
      margin-bottom: 10px;
    }
    .ms-Dialog {
      position: relative;
      margin-bottom: 10px;
    }
    #componentWrapper {
      width: 100%;
      height: 100%;
    }

    .ms-NavBar-item .ms-ContextualMenu {
        position: absolute;
    }

  </style>

</head>

<body>
	<h1>ListItem</h1>
	<div id="componentWrapper">
    <div class="ms-ListItem ms-ListItem--document">
  <div class="ms-ListItem-itemIcon ms-ListItem-itemIcon--ppt"></div>
  <span cl