use `em` unit for "Seemore" border
reduce selector for "Read Older"
optimize "Read Older" label
fix "Global Footer" top whitespace

"Global Footer" top whitespace should be kept regardless of whether `[role="complementary"]` is there or not.
fix selectors
de-capitalize "Read Older" label
change "Seemore" border style to solid
remove obsolete variable
version 6.42.1