
      user-select: none;
      -webkit-user-select: none;
    }
    
    list-test {
      display: block;
      height: 100%;
      margin: 0 auto;
    }
  </style>
</head>
<body fit>

<list-test></list-test>

<polymer-element name="list-test">
<template>
  <style>
    .item {
      box-sizing: border-box;
      padding: 10px;
      overflow: hidden;
      color: black;
    }
    .item > core-image {
      height: 150px;
      width: 150px;
      background-color: lightgray;
  