This rule doesn't seem to be necessary and interferes with width
measurements, causing the tabs to bounce back and forth at specific
screen sizes.
Bug: T74089
Change-Id: I6a05ccf6eea1a4af22d8df3dd4d507cf9ac1b5f3
Removing backwards-compatibility CSS from an earlier change.
Follow-up to Idf43d77dccff83ad81db776f3262e0ef12d25c92.
Change-Id: I2817c6e9eb52ffc785a04bb9d23b0802a553fd45