.answer {
    display: block;
    margin-left: 2.539%;
    margin-top: 0.3em;
    text-align: justify
    }
.answer1 {
    display: block;
    margin-bottom: 0.075em;
    margin-left: 2.539%;
    margin-top: 0.3em;
    text-align: justify
    }
.answer2 {
    display: block;
    margin-bottom: 0.3em;
    margin-left: 2.539%;
    margin-top: 0.3em;
    text-align: justify
    }
.bold {
    display: block;
    font-size: 2em;
    font-weight: bold;
    line-height: 1.2;
    margin-top: 0.0492em;
    text-align: center
    }
.bold1 {
    display: block;
    font-size: 1.83333em;
    font-weight: bold;
    line-height: 1.2;
    margin-top: 0.0876em;
    text-align: center
    }
.bold2 {
    display: block;
    font-size: 1.83333em;
    font-weight: bold;
    line-height: 1.2;
    margin-top: 0.975002em;
    text-align: center
    }
.bold3 {
    font-weight: bold
    }
.booktitle {
    display: block;
    margin-bottom: 0.24375em;
    margin-top: 0.914064em;
    text-align: center
    }
.booktitle1 {
    font-size: 1.83333em;
    height: auto;
    line-height: 1.2;
    width: 100%
    }
.calibre {
    display: block;
    font-size: 1em;
    padding-left: 0;
    padding-right: 0;
    margin: 0 5pt
    }
.chaptersubtitle {
    display: block;
    font-size: 1.83333em;
    line-height: 1.2;
    margin-top: 0.975002em;
    text-align: center
    }
.class {
    line-height: 1.2
    }
.class1 {
    -webkit-hyphens: none;
    display: block;
    font-size: 2em;
    font-weight: bold;
    hyphens: none;
    line-height: 1.2;
    margin-top: 0.548437em
    }
.class2 {
    -webkit-hyphens: none;
    display: block;
    font-size: 2em;
    font-weight: bold;
    hyphens: none;
    line-height: 1.2;
    margin-top: 0.73125em
    }
.contentschaptertitle {
    display: block;
    font-size: 1.41667em;
    line-height: 1.2;
    margin-top: 0.649998em
    }
.contentschaptertitle1 {
    display: block;
    font-size: 1.41667em;
    line-height: 1.2;
    margin-bottom: 0.162499em;
    margin-top: 0.649998em
    }
.contentsh {
    display: block;
    font-size: 1.41667em;
    line-height: 1.2;
    margin-left: 6.25%;
    margin-top: 0.198em
    }
.contentsparttitle {
    display: block;
    font-size: 1.83333em;
    line-height: 1.2;
    margin-top: 0.609377em;
    text-align: center
    }
.copyright {
    display: block;
    margin-top: 0.3em;
    text-align: justify
    }
.copyright1 {
    display: block;
    margin-bottom: 0.225em;
    margin-top: 0.3em;
    text-align: justify
    }
.equation {
    display: block;
    margin-left: 2.539%;
    margin-right: 2.344%;
    margin-top: 0.3em;
    text-align: justify
    }
.graphic {
    display: block;
    margin-bottom: 0.3em;
    margin-left: 1.563%;
    margin-top: 0.3em;
    padding-left: 1.172%;
    padding-right: 1.172%
    }
.graphic1 {
    display: block;
    text-align: center
    }
.graphic2 {
    height: auto;
    width: 100%
    }
.italic {
    display: block;
    font-style: italic;
    margin-top: 0.3em;
    text-align: center
    }
.italic1 {
    display: block;
    font-style: italic;
    margin-bottom: 0.075em;
    margin-top: 0.3em;
    text-align: center
    }
.italic2 {
    font-style: italic
    }
.item {
    display: block;
    margin-bottom: 0.3em;
    text-align: justify
    }
.list {
    display: block;
    margin-left: 0.195%;
    padding-left: 4.492%;
    padding-right: 1.953%
    }
.list1 {
    display: block;
    text-align: justify
    }
.list2 {
    display: block;
    margin-bottom: 0.1125em;
    padding-left: 4.492%;
    padding-right: 1.953%
    }
.option {
    display: block;
    margin-left: 5.078%;
    margin-top: 0.3em;
    text-align: justify
    }
.para {
    display: block;
    margin-top: 0.3em;
    text-align: justify;
    text-indent: 0.6em
    }
.para1 {
    display: block;
    margin-bottom: 0.075em;
    margin-top: 0.3em;
    text-align: justify;
    text-indent: 0.6em
    }
.paraaftertitle {
    display: block;
    margin-top: 1.8em;
    text-align: justify
    }
.paraaftertitle1 {
    display: block;
    margin-top: 0.45em;
    text-align: justify
    }
.paraaftertitle2 {
    display: block;
    margin-bottom: 0.075em;
    margin-top: 0.3em;
    text-align: justify
    }
.parttitle {
    -webkit-hyphens: none;
    display: block;
    font-size: 2em;
    font-weight: bold;
    hyphens: none;
    line-height: 1.2;
    margin-top: 0.0492em;
    text-align: center
    }
.parttitle1 {
    -webkit-hyphens: none;
    display: block;
    font-size: 2em;
    font-weight: bold;
    hyphens: none;
    line-height: 1.2;
    margin-bottom: 0.73125em;
    margin-top: 0.73125em;
    text-align: center
    }
.parttitle2 {
    -webkit-hyphens: none;
    display: block;
    font-size: 2em;
    font-weight: bold;
    hyphens: none;
    line-height: 1.2;
    margin-top: 0.73125em;
    text-align: center
    }
.question {
    display: block;
    margin-top: 0.375em;
    padding-left: 2.344%;
    text-align: justify
    }
.question1 {
    display: block;
    margin-bottom: 0.075em;
    margin-top: 0.375em;
    padding-left: 2.344%;
    text-align: justify
    }
.question2 {
    display: block;
    margin-bottom: 0.3em;
    margin-top: 0.375em;
    padding-left: 2.344%;
    text-align: justify
    }
.pcalibre:visited {
    color: blue
    }
.pcalibre1:link {
    color: blue
    }