Ask HN: Can Anyone Explain the CSS naming pattern used in new Google/+ UI

It's totally cryptic, not sure what is under the hood, .n-Da-jb .n-Da-pi .n-Da-Fa .n-Da-AC .n-Da-Wc .n-Wa-ph-Ob

Or more like this .n-he .n-Nd, .n-za .n-Y, .n-za .n-m-me, .n-za .n-Wa-Ob, .n-za .Ql, .n-za .n-Yc-wa, .n-za .v-u-y-em, .n-za .n-Ea-Ia-cj, .n-za .br, .n-za .n-Az-yk