@media screen { 
body { color: black; background: white; font-family: sans-serif; 
       margin-left: 2%; margin-right: 2%; }


.copyright-claim { text-align: right; font-size: 95%; font-family: arial, sans-serif; }

.end-matter { margin-right: 2%; margin-left: 2%; }
.front-matter { margin-right: 4%; margin-left: 4%; }

.list-break { margin-bottom: 1.5em; }
.logo { float: right; padding: 2em; }
.longdesc-text { margin-right: 5%; margin-left: 5%; font-size: 105%; }

.sub-nav { text-align: center; /* font-size: 75%; */ font-weight: bold; }
.sub-nav-label { text-align: center; font-weight: bolder; }

.sub-section { margin-right: 2%; margin-left: 2%; }
.sub-section-header { color: rgb(45,85,255); background: white; margin-left: -1%; }
.sub-sub-section { margin-right: 3%; margin-left: 3%; }
.sub-sub-section-header { color: rgb(45,85,255); background: white; margin-left: -2%; }
.sub-sub-sub-section { margin-right: 4%; margin-left: 4%; }
.sub-sub-sub-section-header { color: rgb(45,85,255); background: white; margin-left: -3%; }

.terminal-index { font-size: 120%; font-family: sans-serif; }

.valid-center { text-align: center; }

address { color: black; background-color: #c3d9ff; font-family: sans-serif; 
          padding: .5em; display: block; margin-left: .75em; margin-right: .75em; 
          /* border-style: solid; border-width: thin; border-color: #c3d9ff; */ }

em.em-quote { font-style: normal; }
em.em-quote:before { content: open-quote; }
em.em-quote:after { content: close-quote; }

h1,h2,h3,h4,h5,h6 { font-family: sans-serif; background: white; color: rgb(45,85,255); }

 }

@media aural { 
a:link { cue-before: url("http://accessibility.linuxfoundation.org/a11yweb/sounds/MetalDing.au"); }
a:visited { cue-before: url("http://accessibility.linuxfoundation.org/a11yweb/sounds/MetalPotThump.au"); }

abbr.spell  { speak: spell-out; }
abbr.speak { speak: normal; }

acronym.spell { speak: spell-out; }
acronym.speak { speak: normal; }

code { speak: normal; speak-punctuation: code;  }

em { richness: 75; stress: 75; pitch-range: 75; }
em.air-quote { richness: 100; pitch-range: 75; stress: 75; }
em.em-quote { richness: 100; pitch-range: 75; stress: 75; }

strong { richness: 100; stress: 75; pitch-range: 75; }

h1 { stress: 95; pitch-range: 95; richness: 100; cue-before: url("http://accessibility.linuxfoundation.org/a11yweb/sounds/Click7.au"); }
h2 { stress: 90; pitch-range: 90; richness: 100; cue-before: url("http://accessibility.linuxfoundation.org/a11yweb/sounds/Click6.au"); }
h3 { stress: 80; pitch-range: 80; richness: 100; cue-before: url("http://accessibility.linuxfoundation.org/a11yweb/sounds/Click4.au"); }
h4 { stress: 70; pitch-range: 70; richness: 100; cue-before: url("http://accessibility.linuxfoundation.org/a11yweb/sounds/Click5.au"); }
h5 { stress: 60; pitch-range: 60; richness: 100; cue-before: url("http://accessibility.linuxfoundation.org/a11yweb/sounds/Click3.au"); }
h6 { stress: 55; pitch-range: 55; richness: 100; cue-before: url("http://accessibility.linuxfoundation.org/a11yweb/sounds/Click2.au"); }

 }