doc(css): label & message styling
doc(css): label & message styling

Updated suggestion to place stylesheet in styles/styles.css where it belongs.
Updated with suggestions to color labels without adding TW Bootstrap 'control-label'
manuel-guilbault/aurelia-validation,bellstrand/validation,valichek/validation,mbroadst/validation,DavidBLynch/validation,bfil/validation,JeroenVinke/aurelia-validation-update,DaveGee/validation,JeroenVinke/validation-fix,PWKad/validation,ericIMT/validation,vulvulune/validation,Zensavona/validation,Bcpoole/validation,vulvulune/validation,hitesh97/validation,PWKad/validation,atsu85/validation,JeroenVinke/validation,DaveGee/validation,aurelia/validation,aurelia/validation,santosh-suresh/validation,milunka/validation,jdanyow/validation,JeroenVinke/validation,milunka/validation,charlespockert/validation,manuel-guilbault/aurelia-validation,ericIMT/validation,RichTeaTime/validation,Bcpoole/validation,RichTeaTime/validation,mbroadst/validation