title: Tags to watch out for, when coding for all browsers?
body: <p>SO I coded a website and it looks and works great in Chrome.
  Testing it in Mozilla: some animations (transitions) aren't looking right.
  And Safari and IE are completely wrong (border radius not showing, No transitions, formatting all wrong).</p>
  
  <p>Could someone point me to a list of TAGS in CSS which don't work between browsers ...or..
  Do I have to transfer most of the code to JS, due to my abuse of CSS.</p>
  
  <p>note: I primarily use % to dimension my boxes. eg (60% and 40% boxes in a wrapper). I chrome the two boxes appear in one line. In safari and IE, they wrap onto the next line... WHY? not what I want.</p>
  
  <p>//This seems like a question that would be asked before but I can't seem to find much on stackoverflow or other sites</p>