table.narreq td.narr {text-align: right; font-style: italic; padding-right: 3ex; width: 30ex;}
table.narreq td.left {text-align: right;}
table.narreq td.center {text-align: center; padding-left: 0.5ex; padding-right: 0.5ex;}
table.narreq td.right {text-align: left;}

table.coeffs td {padding-left: 1.5ex; padding-right: 1.5ex; text-align: center;}
table.coeffs thead td {font-weight: bold; text-align: center; padding-left: 1.5ex; padding-right: 1.5ex;}

table.alignment {padding-right: 1ex}

.greenbox {margin-left: 2ex; background: #F2FEEE; border: 1px dashed #267C08;}
.greenbox h4 {text-align: center; display: block;}

.wordproblem {font-style: italic;}

div.wrong {background-color: #ececec; border: 2px dashed #510707; padding: 0.8ex;}
div.wrong h3 {text-align: center; margin-top: 1px; display: block; color: #510707;}

div.note {width: 35ex;}
div.note b {font-weight: normal; font-style: italic;}

blockquote.factoring b {background-color: #ffea3d;}
table.factors tr td {padding-top: 0.5ex;}
table.factors td.left {padding-right: 3ex;}