/* CSS Document - Last updated June 19, 2005 by Bryan Stephenson  */

/* Basic styles for real old browsers */

body { font-family:Arial, Helvetica, sans-serif; font-size:85%;}
img { border:0; display:block;}
a:link, a:visited { color:#006699; text-decoration:underline;}
a:hover { color:#333;}
dl dt { margin-left:10px;}
dl dd { margin-left:10px;}
.hidden { height: 0; width: 0; overflow: hidden; position: absolute;  /* for the benefit of IE5 Mac */}
.textonly { display:none;}
.imagesandtext { display:none;}
h1 { font-size:120%;}

#headimage img { display:none;}

#nasahead {	width:auto; height:auto;}

@media aural {
  h1, h2, h3,
  h4, h5, h6    { voice-family: paul, male; stress: 20; richness: 90; }
  h1            { pitch: x-low; pitch-range: 90; }
  h2            { pitch: x-low; pitch-range: 80; }
  h3            { pitch: low; pitch-range: 70; }
  h4            { pitch: medium; pitch-range: 60; }
  h5            { pitch: medium; pitch-range: 50; }
  h6            { pitch: medium; pitch-range: 40; }
  li, dt, dd    { pitch: medium; richness: 60; }
  dt            { stress: 80; }
  pre, code, tt { pitch: medium; pitch-range: 0; stress: 0; richness: 80; }
  em            { pitch: medium; pitch-range: 60; stress: 60; richness: 50; }
  strong        { pitch: medium; pitch-range: 60; stress: 90; richness: 90; }
  dfn           { pitch: high; pitch-range: 60; stress: 60; }
  s, strike     { richness: 0; }
  i             { pitch: medium; pitch-range: 60; stress: 60; richness: 50; }
  b             { pitch: medium; pitch-range: 60; stres!
 s: 90; richness: 90; }
  u             { richness: 0; }
  a:link        { voice-family: harry, male; }
  a:visited     { voice-family: betty, female; }
  a:active      { voice-family: betty, female; pitch-range: 80; pitch: x-high; }
  }