img { border-style: none; }
p.avertissement 
{
  font-size: 140%;
  background-color: #D0D0FF;
  color: blue;
  font-weight: bold;
  padding: 1ex;
  margin-top: 1em;
  margin-bottom: 1em;
  border: 1px dotted gray;
}
p.avertissement em 
{  
  color: white;
  font-size: 120%;
}
td.centre 
{ 
  text-align: center;
 }
p.align_right { text-align: right; }
p.align_right img { display: inline; vertical-align: middle; }
p.centre { text-align: center; }
p.erreur 
{
  background-color: #ff1616;
  color: white;
  padding: 1ex;
  margin: 1em 1ex 1em 1ex;
  border: 1px solid black;
  font-weight: bold;
  text-align: left;
}
p.erreur em 
{ 
  color: yellow;
  font-style: normal;
  font-size: 110%;
}
p.message 
{
  font-size: 120%;
  font-weight: normal;
  border: thin solid black;
  background-color: #aaffac; 
  text-align: center;
  color: black;
  padding: 1ex;
  margin: 1em auto 1em auto;
  width: 90%;
  }
img.valign_middle 
{ 
  display: inline;
  vertical-align: middle;
 }
td.centre { text-align: center; vertical-align: middle; }