`padding: 0` was either a rule targeting very early Operas or
Netscape/Firefox or came out of Eric Meyer's reset.css as
misappropriation.
normalize.css haven't had it in v1.0.0, only relied on `margin: 0`
normalization for IE 6 & 7.
Change-Id: I3d2894a1e68414b64751bd6ebe7e1af77d260ee7
Both properties are needed for normalizing different browsers (`padding`
infamous on older Operas) and are only needed on `body`.
Change-Id: I661869ed43491824cbfe86dc36e39f97e29ccf8a
Normalizing focus styles in Blink based browsers and aligning to
Design Style Guide components.
Bug: T245887
Change-Id: I4d571dcbbada5edffbfee631c8b438cf7c8d273a