<script src="http://www.polymer-project.org/polymer.min.js"></script>

<polymer-element name="indx-grid" noscript>

<template>

    <style>

        @host {

            :scope {

                display: block;

                margin: 20px;

                border: 2px solid #E60000;

                background: #CCC;

                height: 500px;

            }

        }

    </style>

  <content></content>

</template>

</polymer-element>

​

<polymer-element name="indx-griditem" noscript>

    <template>

        <style>

            @host {

                :scope {

                    display: block;

                    margin: 10px;

                    border: 1px solid #000;

                    border-radius: 3px;

                    background: #FFF;

                    width: 100px;

                    height: 100px;

                }

            }

        </style>

    </template>

</polymer-element>

​

<indx-grid>

  <indx-griditem></indx-griditem>

</indx-grid>