BoltClockBoltClock 727k165165 gold badges1.4k1.4k silver badges1.4k1.4k bronze badges 5 Sure, I had been aware about css's hierarchical difficulties but it had been wishful pondering i guess that motivated me to write-up this que anyhow.知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。In cases lik