cards disappear (hidden behind other cards) on categories view

[renfeng]

How to reproduce?

Update to 4ebf84f

Click on any category card, click backward icon (or hit backspace). The card being clicked disappears, but clicking some other card may bring up the content of the ghost card. The card itself remains hidden, and it possesses the other card...

Also reproduced on https://polymer-topeka.appspot.com/

[renfeng]

Firefox ESR 24.8.1 works fine.

The problem is reproduced on Linux Mint 17.1 Rebecca with latest apt updates, and Chrome.

[renfeng]

Reproduced even in incognito mode, and in both wide (width >= 900px) and narrow layouts

[renfeng]

Also on Nexus 5 (5.1.1). Chrome.

[William-Sang]

+1