Include box-sizing mixin on form fields so there calculated widths are consistent.
Include additional heading so they get proper color
.max input style set to 100%
head + ul margin-top no longer needed and set default margin-bottom to 0
Apply margin-bottom to space out announcement blocks
Pull left and right margin out 20px at mobile for more space.

Remove .max since it's not needed and box-sizing mixin
Merge pull request #4276 from sg00dwin/login-page-issues

Merged by openshift-bot