.headChapter {font-family: arial, sans-serif; font-size: 12pt; font-weight: bold; color: rgb(128,0,0); text-align: center; }
.headSection {font-family: arial, sans-serif; font-size: 10pt; font-weight: bold; color: white; background-color: navy; padding-left: 5px; padding-top: 5px; padding-bottom: 5px;}
.headSubSec  {font-family: arial, sans-serif; font-size: 10pt; font-weight: bold; color: maroon; background-color: rgb(233,209,209); padding-left: 5px;}
.headExample {font-family: arial, sans-serif; font-size: 10pt; font-weight: bold; color: rgb(0,64,128); border-bottom: 1px solid}
.headExercise {font-family: arial, sans-serif; font-size: 10pt; font-weight: bold; color: rgb(128,0,0); border-bottom: 1px solid}
.headThink {font-family: arial, sans-serif; font-size: 10pt; font-weight: bold; color: rgb(0,128,128); border-bottom: 1px solid}
.headNotes {font-family: arial, sans-serif; font-size: 10pt; font-weight: bold; color: white; background-color: rgb(0,128,0);}
.headProc {font-family: arial, sans-serif; font-size: 10pt; font-weight: bold; color: white; background-color: rgb(0,128,128); padding-left: 5px; padding-top: 5px; padding-bottom: 5px;}
.headDef {font-family: arial, sans-serif; font-size: 10pt; font-weight: bold; color: white; background-color: rgb(128,0,0); padding-left: 5px; padding-top: 5px; padding-bottom: 5px;}
.calcKeys {width: 50px; font-weight: bold;}
.divBox {border-top-style: solid; border-top-width: 1px; padding-top: -2px;}
.normText  {font-family: arial, sans-serif; font-size: 10pt;}
.exampleLine {font-family: arial, sans-serif; font-size: 10pt; margin-left: 20px; padding-bottom: 0px; }
.exampleCtr {font-family: arial, sans-serif; font-size: 10pt; text-align: center; padding-top: -15px}
.yellowTxt {background-color: yellow;}
.highlightYellow {background-color: yellow;}
.underbar {border-bottom: 1px solid black;}
.highlightGreen {background-color: rgb(213,255,213);}
.highlightPink {background-color: rgb(255,213,213);}
.highlightBlue {background-color: rgb(213,213,255);}