<!– @license Copyright © 2015 The Polymer Project Authors. All rights reserved. This code may only be used under the BSD style license found at polymer.github.io/LICENSE.txt The complete set of authors may be found at polymer.github.io/AUTHORS.txt The complete set of contributors may be found at polymer.github.io/CONTRIBUTORS.txt Code distributed by Google as part of the polymer project is also subject to an additional IP rights grant found at polymer.github.io/PATENTS.txt –>

<style> .shadow-transition {

transition: box-shadow 0.28s cubic-bezier(0.4, 0, 0.2, 1);

}

.shadow-elevation-2dp {

box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14),
            0 1px 5px 0 rgba(0, 0, 0, 0.12),
            0 3px 1px -2px rgba(0, 0, 0, 0.2);

}

.shadow-elevation-3dp {

box-shadow: 0 3px 4px 0 rgba(0, 0, 0, 0.14),
            0 1px 8px 0 rgba(0, 0, 0, 0.12),
            0 3px 3px -2px rgba(0, 0, 0, 0.4);

}

.shadow-elevation-4dp {

box-shadow: 0 4px 5px 0 rgba(0, 0, 0, 0.14),
            0 1px 10px 0 rgba(0, 0, 0, 0.12),
            0 2px 4px -1px rgba(0, 0, 0, 0.4);

}

.shadow-elevation-6dp {

box-shadow: 0 6px 10px 0 rgba(0, 0, 0, 0.14),
            0 1px 18px 0 rgba(0, 0, 0, 0.12),
            0 3px 5px -1px rgba(0, 0, 0, 0.4);

}

.shadow-elevation-8dp {

box-shadow: 0 8px 10px 1px rgba(0, 0, 0, 0.14),
            0 3px 14px 2px rgba(0, 0, 0, 0.12),
            0 5px 5px -3px rgba(0, 0, 0, 0.4);

}

.shadow-elevation-16dp {

box-shadow: 0 16px 24px 2px rgba(0, 0, 0, 0.14),
            0  6px 30px 5px rgba(0, 0, 0, 0.12),
            0  8px 10px -5px rgba(0, 0, 0, 0.4);

}

</style>