title: CSS: Center block, but align contents to the left
body: <p>I want a whole block to be centered in its parent, but I want the contents of the block to be left aligned. </p>
  
  <p>Examples serve best</p>
  
  <p>On this page : </p>
  
  <p><a href="http://yaml-online-parser.appspot.com/?yaml=%23+ASCII+Art%0d%0a---+%7c%0d%0a++%5c%2f%2f%7c%7c%5c%2f%7c%7c%0d%0a++%2f%2f+%7c%7c++%7c%7c__%0d%0a&amp;type=python" rel="noreferrer">http://yaml-online-parser.appspot.com/?yaml=%23+ASCII+Art%0d%0a---+%7c%0d%0a++%5c%2f%2f%7c%7c%5c%2f%7c%7c%0d%0a++%2f%2f+%7c%7c++%7c%7c__%0d%0a&amp;type=python</a></p>
  
  <p>the ascii art should be centered (as it appears) but it should line up and look like "YAML".</p>
  
  <p>Or this :</p>
  
  <p><a href="http://yaml-online-parser.appspot.com/?yaml=%3f+-+Detroit+Tigers%0d%0a++-+Chicago+cubs%0d%0a%3a%0d%0a++-+2001-07-23%0d%0a%0d%0a%3f+%5b+New+York+Yankees%2c%0d%0a++++Atlanta+Braves+%5d%0d%0a%3a+%5b+2001-07-02%2c+2001-08-12%2c%0d%0a++++2001-08-14+%5d%0d%0a" rel="noreferrer">http://yaml-online-parser.appspot.com/?yaml=%3f+-+Detroit+Tigers%0d%0a++-+Chicago+cubs%0d%0a%3a%0d%0a++-+2001-07-23%0d%0a%0d%0a%3f+%5b+New+York+Yankees%2c%0d%0a++++Atlanta+Braves+%5d%0d%0a%3a+%5b+2001-07-02%2c+2001-08-12%2c%0d%0a++++2001-08-14+%5d%0d%0a</a></p>
  
  <p>the error message should all line up as it does in a console.</p>