gcc/libstdc++-v3/docs/doxygen/style.css

BODY { 
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   font-size: small;
}
H1 { text-align: center; font-size: large }
H2 { text-align: left; font-size: medium; }
H3 { text-align: left; font-size: small; }
CODE { font-size: small; }
CAPTION { font-weight: normal }
A.qindex {}
A.qindexRef {}
A.el { text-decoration: none; font-size: small; font-weight: normal }
A.elRef { text-decoration: none; font-size: small; font-weight: normal }
A.code { text-decoration: none; font-weight: normal; color: #4444ee }
A.codeRef { font-weight: normal; color: #4444ee }
A:hover { text-decoration: none; background-color: #f2f2ff }
DL.el { margin-left: -1cm }
DIV.fragment { width: 100%; border: none; background-color: #eeeeee }
DIV.ah { 
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   font-weight: normal; 
   color: #ffffff; 
   margin-bottom: 3px; 
   margin-top: 3px 
}
DIV.groupHeader { 
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   margin-top: 12px; 
   margin-bottom: 6px; 
   font-weight: normal 
}
DIV.groupText { margin-left: 16px; font-style: italic; font-size: small }
TD.md { background-color: #f2f2ff; font-size: small; }
TD.mdname1 { background-color: #f2f2ff; font-size: small; color: #602020; }
TD.mdname { 
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   font-weight: normal; 
   font-size: small; 
   color: #602020; 
   width: 600px
}
TD.indexkey { 
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   font-weight: normal; 
   font-size: small; 
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   padding-top    : 2px; 
   padding-left   : 10px; 
   padding-bottom : 2px; 
   margin-left    : 0px; 
   margin-right   : 0px; 
   margin-top     : 2px; 
   margin-bottom  : 2px  
}
TD.indexvalue { 
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   font-style: italic; 
   font-size: small; 
   padding-right  : 10px; 
   padding-top    : 2px; 
   padding-left   : 10px; 
   padding-bottom : 2px; 
   margin-left    : 0px; 
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   margin-top     : 2px; 
   margin-bottom  : 2px  
}
span.keyword       { color: #008000 }
span.keywordtype   { color: #604020 }
span.keywordflow   { color: #e08000 }
span.comment       { color: #800000 }
span.preprocessor  { color: #806020 }
span.stringliteral { color: #002080 }
span.charliteral   { color: #008080 }