I have a problem with the iron-list component.
My problem is that when I add the 'grid' - attribute to the iron-list element the items still are each in one column.
<body>
<p>test test test</p>
<div style="height: 500px;">
<iron-list id="list" items='[{"name": "test"},{"name": "test"},{"name": "test"},{"name": "test"},{"name": "test"},{"name": "test"},{"name": "test"},{"name": "test"},
{"name": "test"},{"name": "test"},{"name": "test"},{"name": "test"},{"name": "test"},{"name": "test"},{"name": "test"},{"name": "test"},
{"name": "test"},{"name": "test"},{"name": "test"},{"name": "test"},{"name": "test"},{"name": "test"},{"name": "test"},{"name": "test"},
{"name": "test"},{"name": "test"},{"name": "test"},{"name": "test"},{"name": "test"},{"name": "test"},{"name": "test"},{"name": "test"},
{"name": "test"},{"name": "test"},{"name": "test"},{"name": "test"}]' style="height: 100%;" grid>
<template>
<div style="width: 100px; height: 100px;"> 100x100 </div>
</template>
</iron-list>
</div>
</body>
What am I doing wrong?