@import "https://fonts.googleapis.com/css?family=Open+Sans:300,300italic,400,400italic,600,600italic%7CNoto+Serif:400,400italic,700,700italic%7CDroid+Sans+Mono:400,700";

html{
    font-family:sans-serif;
    -webkit-text-size-adjust:100%;
    scroll-padding-top: 70px;
}

a{
    background:none
}

a:focus{
    outline:thin dotted
}

a:active,a:hover{
    outline:0
}

h1{
    font-size:2em;
    margin:.67em 0
}

b,strong{
    font-weight:bold
}

abbr{
    font-size:.9em
}

abbr[title]{
    cursor:help;
    border-bottom:1px dotted #dddddf;
    text-decoration:none
}

dfn{
    font-style:italic
}

hr{
    height:0
}

mark{
    background:#ff0;
    color:#000
}

code,kbd,pre,samp{
    font-family:monospace;
    font-size:1em
}

pre{
    white-space:pre-wrap
}

q{
    quotes:"\201C" "\201D" "\2018" "\2019"
}

small{
    font-size:80%
}

sub,sup{
    font-size:75%;
    line-height:0;
    position:relative;
    vertical-align:baseline
}

sup{
    top:-.5em
}

sub{
    bottom:-.25em
}

img{
    border:0
}

svg:not(:root){
    overflow:hidden
}

figure{
    margin:0
}

audio,video{
    display:inline-block
}

audio:not([controls]){
    display:none;
    height:0
}

fieldset{
    border:1px solid silver;
    margin:0 2px;padding:.35em .625em .75em
}

legend{
    border:0;
    padding:0
}

button,input,select,textarea{
    font-family:inherit;
    font-size:100%;
    margin:0
}

button,input{
    line-height:normal
}

button,select{
    text-transform:none
}

button,html input[type=button],input[type=reset],input[type=submit]{
    -webkit-appearance:button;cursor:pointer;
}

button[disabled],html input[disabled]{
    cursor:default
}

input[type=checkbox],input[type=radio]{
    padding:0}

button::-moz-focus-inner,input::-moz-focus-inner{
    border:0;
    padding:0
}

textarea{
    overflow:auto;vertical-align:top
}

table{
    border-collapse:collapse;
    border-spacing:0
}

*,::before,::after{
    box-sizing:border-box
}

html,body{
    font-size:100%;
    scroll-padding-top: 120px;
}

body{
    background:#fff;
    color:rgba(0,0,0,.8);
    padding:0;margin:0;
    font-family:"Noto Serif","DejaVu Serif",serif;
    line-height:1;
    position:relative;
    cursor:auto;
    -moz-tab-size:4;
    -o-tab-size:4;
    tab-size:4;
    word-wrap:anywhere;
    -moz-osx-font-smoothing:grayscale;
    -webkit-font-smoothing:antialiased;
    scroll-padding-top: 70px;
}

a:hover{
    cursor:pointer
}

img,object,embed{
    max-width:100%;
    height:auto;
}

object,embed{
    height:100%
}

img{
    -ms-interpolation-mode:bicubic
}

.left{
    float:left!important
}

.right{
    float:right!important
}

.text-left{text-align:left!important
}

.text-right{
    text-align:right!important
}

.text-center{
    text-align:center!important
}

.text-justify{
    text-align:justify!important
}

.hide{
    display:none
}

img,object,svg{
    display:inline-block;
    vertical-align:middle
}

textarea{
    height:auto;
    min-height:50px
}

select{
    width:100%
}

.subheader,.admonitionblock td.content>
.title,.audioblock>.title,.exampleblock>
.title,.imageblock>.title,.listingblock>
.title,.literalblock>.title,.stemblock>
.title,.openblock>.title,.paragraph>
.title,.quoteblock>.title,table.tableblock>
.title,.verseblock>.title,.videoblock>.title,
.dlist>.title,.olist>.title,.ulist>.title,
.qlist>.title,.hdlist>.title{
    line-height:1.45;
    color:#7a2518;
    font-weight:400;
    margin-top:0;
    margin-bottom:.25em;
    scroll-padding-top: 70px;
}

div,dl,dt,dd,ul,ol,li,h1,h2,h3,#toctitle,.sidebarblock>
.content>.title,h4,h5,h6,pre,form,p,blockquote,th,td{
    margin:0;
    padding:0;
    scroll-padding-top: 70px;
}

a{
    color:#2156a5;
    text-decoration:underline;
    line-height:inherit
}

a:hover,a:focus{
    color:#1d4b8f
}

a img{
    border:0
}

p{
    line-height:1.6;
    margin-bottom:1.25em;
    text-rendering:optimizeLegibility;
    scroll-padding-top: 70px;
}

p aside{
    font-size:.875em;
    line-height:1.35;
    font-style:italic
}

h1,h2,h3,#toctitle,.sidebarblock>.content>.title,h4,h5,h6{
    font-family:"Open Sans","DejaVu Sans",sans-serif;
    font-weight:300;font-style:normal;
    color:#ba3925;
    text-rendering:optimizeLegibility;
    margin-top:1em;
    margin-bottom:.5em;
    line-height:1.0125em;
    scroll-padding-top: 70px;
}

h1 small,h2 small,h3 small,#toctitle small,.sidebarblock>
.content>.title small,h4 small,h5 small,h6 small{
    font-size:60%;
    color:#e99b8f;
    line-height:0;
    scroll-padding-top: 70px;
}

h1{
    font-size:2.125em
}

h2{
    font-size:1.6875em
}

h3,#toctitle,.sidebarblock>.content>.title{
    font-size:1.375em
}

h4,h5{
    font-size:1.125em
}

h6{
    font-size:1em
}

hr{
    border:solid #dddddf;
    border-width:1px 0 0;
    clear:both;
    margin:1.25em 0 1.1875em
}

em,i{
    font-style:italic;
    line-height:inherit;
}

strong,b{
    font-weight:bold;
    line-height:inherit;
}

small{
    font-size:60%;
    line-height:inherit
}

code{
    font-family:"Droid Sans Mono","DejaVu Sans Mono",
        monospace;
    font-weight:400;
    color:rgba(0,0,0,.9)
}

ul,ol,dl{
    line-height:1.6;
    margin-bottom:1.25em;
    list-style-position:outside;
    font-family:inherit
}

ul,ol{
    margin-left:1.5em
}

ul li ul,ul li ol{
    margin-left:1.25em;
    margin-bottom:0
}

ul.circle{
    list-style-type:circle
}

ul.disc{
    list-style-type:disc
}

ul.square{
    list-style-type:square
}

ul.circle ul:not([class]),ul.disc ul:not([class]),
ul.square ul:not([class]){
    list-style:inherit
}

ol li ul,ol li ol{
    margin-left:1.25em;
    margin-bottom:0
}

dl dt{
    margin-bottom:.3125em;
    font-weight:bold
}

dl dd{
    margin-bottom:1.25em
}

blockquote{
    margin:0 0 1.25em;
    padding:.5625em 1.25em 0 1.1875em;
    border-left:1px solid #ddd
}

blockquote,blockquote p{
    line-height:1.6;
    color:rgba(0,0,0,.85)
}

@media screen and (min-width:768px){
    h1,h2,h3,#toctitle,.sidebarblock>.content>.title,h4,h5,h6{
        line-height:1.2
    }
    h1{
        font-size:2.75em
    }
    h2{
        font-size:2.3125em
    }
    h3,#toctitle,.sidebarblock>.content>.title{
        font-size:1.6875em
    }
    h4{
        font-size:1.4375em
    }
}

table{
    background:#fff;
    margin-bottom:1.25em;
    border:1px solid #dedede;
    word-wrap:normal
}

table thead,table tfoot{
    background:#f7f8f7
}

table thead tr th,table thead tr td,table tfoot tr th,
table tfoot tr td{
    padding:.5em .625em .625em;
    font-size:inherit;
    color:rgba(0,0,0,.8);
    text-align:left
}

table tr th,table tr td{
    padding:.5625em .625em;
    font-size:inherit;
    color:rgba(0,0,0,.8)
}

table tr.even,table tr.alt{
    background:#f8f8f7
}

table thead tr th,table tfoot tr th,table tbody tr td,
table tr td,table tfoot tr td{
    line-height:1.6
}

h1,h2,h3,#toctitle,.sidebarblock>.content>.title,h4,h5,h6{
    line-height:1.2;word-spacing:-.05em
}

h1 strong,h2 strong,h3 strong,#toctitle strong,.sidebarblock>
.content>.title strong,h4 strong,h5 strong,h6 strong{
    font-weight:400
}

.center{
    margin-left:auto;
    margin-right:auto
}

.stretch{
    width:100%
}

.clearfix::before,.clearfix::after,.float-group::before,
.float-group::after{
    content:" ";
    display:table
}

.clearfix::after,.float-group::after{
    clear:both
}

:not(pre).nobreak{
    word-wrap:normal
}

:not(pre).nowrap{
    white-space:nowrap
}

:not(pre).pre-wrap{
    white-space:pre-wrap
}

:not(pre):not([class^=L])>code{
    font-size:.9375em;
    font-style:normal!important;
    letter-spacing:0;
    padding:.1em .5ex;
    word-spacing:-.15em;
    background:#f7f7f8;
    border-radius:4px;
    line-height:1.45;
    text-rendering:optimizeSpeed
}

pre{
    color:rgba(0,0,0,.9);
    font-family:"Droid Sans Mono","DejaVu Sans Mono",monospace;
    line-height:1.45;
    text-rendering:optimizeSpeed
}

pre code,pre pre{
    color:inherit;
    font-size:inherit;
    line-height:inherit
}

pre>code{
    display:block
}

pre.nowrap,pre.nowrap pre{
    white-space:pre;
    word-wrap:normal
}

em em{
    font-style:normal
}

strong strong{
    font-weight:400
}

.keyseq{
    color:rgba(51,51,51,.8)
}

kbd{
    font-family:"Droid Sans Mono","DejaVu Sans Mono",monospace;
    display:inline-block;
    color:rgba(0,0,0,.8);
    font-size:.65em;
    line-height:1.45;
    background:#f7f7f7;
    border:1px solid #ccc;
    border-radius:3px;
    box-shadow:0 1px 0 rgba(0,0,0,.2),inset 0 0 0 .1em #fff;
    margin:0 .15em;
    padding:.2em .5em;
    vertical-align:middle;
    position:relative;
    top:-.1em;
    white-space:nowrap
}

.keyseq kbd:first-child{
    margin-left:0
}

.keyseq kbd:last-child{
    margin-right:0
}

.menuseq,.menuref{
    color:#000
}

.menuseq b:not(.caret),.menuref{
    font-weight:inherit
}

.menuseq{
    word-spacing:-.02em
}

.menuseq b.caret{
    font-size:1.25em;
    line-height:.8
}

.menuseq i.caret{
    font-weight:bold;
    text-align:center;
    width:.45em
}

b.button::before,b.button::after{
    position:relative;
    top:-1px;
    font-weight:400
}

b.button::before{
    content:"[";
    padding:0 3px 0 2px
}

b.button::after{
    content:"]";
    padding:0 2px 0 3px
}
p a>code:hover{
    color:rgba(0,0,0,.9)
}

@media (min-width: 901px) {
  #header,#content,#footnotes,#footer {
    width:100%;
    margin:0 auto;
    max-width:62.5em;
    position:relative;
    padding-left:.9375em;
    padding-right:.9375em;
  }
}

#header::before,#header::after,#content::before,
#content::after,#footnotes::before,#footnotes::after,
#footer::before,#footer::after{
    content:" ";
    display:table
}

#header::after,#content::after,#footnotes::after,
#footer::after{
    clear:both
}

#content{
    margin-top:1.25em
}

#content::before{
    content:none
}

#header>h1:first-child{
    color:rgba(0,0,0,.85);
    margin-top:2.25rem;
    margin-bottom:0
}

#header>h1:first-child+#toc{
    margin-top:8px;
    border-top:1px solid #dddddf
}

#header>h1:only-child{
    border-bottom:1px solid #dddddf;
    padding-bottom:8px
}

#header .details{
    border-bottom:1px solid #dddddf;
    line-height:1.45;
    padding-top:.5em;
    padding-bottom:.25em;
    padding-left:.25em;
    color:rgba(0,0,0,.6);
    display:flex;
    flex-flow:row wrap
}

#header .details span:first-child{
    margin-left:-.125em
}

#header .details span.email a{
    color:rgba(0,0,0,.85)
}

#header .details br{
    display:none
}

#header .details br+span::before{
    content:"\00a0\2013\00a0"
}

#header .details br+span.author::before{
    content:"\00a0\22c5\00a0";
    color:rgba(0,0,0,.85)
}

#header .details br+span#revremark::before{
    content:"\00a0|\00a0"
}

#header #revnumber{
    text-transform:capitalize
}

#header #revnumber::after{
    content:"\00a0"
}

#content>h1:first-child:not([class]){
    color:rgba(0,0,0,.85);
    border-bottom:1px solid #dddddf;
    padding-bottom:8px;
    margin-top:0;
    padding-top:1rem;
    margin-bottom:1.25rem
}

#toc{
    border-bottom:1px solid #e7e7e9;
    padding-bottom:.5em
}

#toc>ul{
    margin-left:.125em
}

#toc ul.sectlevel0>li>a{
    font-style:italic
}

#toc ul.sectlevel0 ul.sectlevel1{
    margin:.5em 0
}

#toc ul{
    font-family:"Open Sans","DejaVu Sans",sans-serif;
    list-style-type:none
}

#toc li{
    line-height:1.3334;
    margin-top:.3334em
}

#toc a{
    text-decoration:none
}

#toc a:active{
    text-decoration:underline
}

#toctitle{
    color:#7a2518;
    font-size:1.2em
}

@media screen and (min-width:768px){
    #toctitle{
        font-size:1.375em
    }
    body.toc2{
        padding-left:15em;
        padding-right:0
    }
    body.toc2 #header>h1:nth-last-child(2){
        border-bottom:1px solid #dddddf;
        padding-bottom:8px
    }
    #toc.toc2{
        margin-top:0!important;
        background:#f8f8f7;
        position:fixed;
        width:15em;
        left:0;
        top:0;
        border-right:1px solid #e7e7e9;
        border-top-width:0!important;
        border-bottom-width:0!important;
        z-index:1000;
        padding:1.25em 1em;
        height:100%;
        overflow:auto
    }
    #toc.toc2 #toctitle{
        margin-top:0;
        margin-bottom:.8rem;
        font-size:1.2em
    }
    #toc.toc2>ul{
        font-size:.9em;
        margin-bottom:0
    }
    #toc.toc2 ul ul{
        margin-left:0;
        padding-left:1em
    }
    #toc.toc2 ul.sectlevel0 ul.sectlevel1{
        padding-left:0;
        margin-top:.5em;
        margin-bottom:.5em
    }
    body.toc2.toc-right{
        padding-left:0;
        padding-right:15em
    }
    body.toc2.toc-right #toc.toc2{
        border-right-width:0;
        border-left:1px solid #e7e7e9;
        left:auto;
        right:0
    }
}

@media screen and (min-width:1280px){
    body.toc2{
        padding-left:20em;
        padding-right:0
    }
    #toc.toc2{
        width:20em
    }
    #toc.toc2 #toctitle{
        font-size:1.375em
    }
    #toc.toc2>ul{
        font-size:.95em
    }
    #toc.toc2 ul ul{
        padding-left:1.25em
    }
    body.toc2.toc-right{
        padding-left:0;
        padding-right:20em
    }
}

#content #toc{
    border:1px solid #e0e0dc;
    margin-bottom:1.25em;
    padding:1.25em;
    background:#f8f8f7;
    border-radius:4px
}

#content #toc>:first-child{
    margin-top:0
}

#content #toc>:last-child{
    margin-bottom:0
}

#footer{
    max-width:100%;
    background:rgba(0,0,0,.8);
    padding:1.25em;
    z-index:100
}

#footer-text{
    color:hsla(0,0%,100%,.8);
    line-height:1.44
}

#content{
    margin-bottom:.625em
}

.sect1{
    padding-bottom:.625em
}

@media screen and (min-width:768px){
    #content{
        margin-bottom:1.25em
    }
    .sect1{
        padding-bottom:1.25em
    }
}

.sect1:last-child{
    padding-bottom:0
}

.sect1+.sect1{
    border-top:1px solid #e7e7e9
}

#content h1>a.anchor,h2>a.anchor,h3>a.anchor,#toctitle>
a.anchor,.sidebarblock>.content>.title>a.anchor,h4>
a.anchor,h5>a.anchor,h6>a.anchor{
    position:absolute;
    z-index:1001;
    width:1.5ex;
    margin-left:-1.5ex;
    display:block;
    text-decoration:none!important;
    visibility:hidden;
    text-align:center;
    font-weight:400
}

#content h1>a.anchor::before,h2>a.anchor::before,h3>
a.anchor::before,#toctitle>a.anchor::before,.sidebarblock>
.content>.title>a.anchor::before,h4>a.anchor::before,h5>
a.anchor::before,h6>a.anchor::before{
    content:"\00A7";
    font-size:.85em;
    display:block;
    padding-top:.1em
}

#content h1:hover>a.anchor,#content h1>a.anchor:hover,
h2:hover>a.anchor,h2>a.anchor:hover,h3:hover>a.anchor,
#toctitle:hover>a.anchor,.sidebarblock>.content>.title:hover>
a.anchor,h3>a.anchor:hover,#toctitle>a.anchor:hover,
.sidebarblock>.content>.title>a.anchor:hover,h4:hover>
a.anchor,h4>a.anchor:hover,h5:hover>a.anchor,h5>
a.anchor:hover,h6:hover>a.anchor,h6>a.anchor:hover{
    visibility:visible
}

#content h1>a.link,h2>a.link,h3>a.link,#toctitle>a.link,
.sidebarblock>.content>.title>a.link,h4>a.link,h5>a.link,
h6>a.link{
    color:#ba3925;
    text-decoration:none
}

#content h1>a.link:hover,h2>a.link:hover,h3>a.link:hover,
#toctitle>a.link:hover,.sidebarblock>.content>.title>
a.link:hover,h4>a.link:hover,h5>a.link:hover,h6>a.link:hover{
    color:#a53221
}

details,.audioblock,.imageblock,.literalblock,.listingblock,
.stemblock,.videoblock{
    margin-bottom:1.25em
}

details{
    margin-left:1.25rem
}

details>summary{
    cursor:pointer;
    display:block;
    position:relative;
    line-height:1.6;
    margin-bottom:.625rem;
    outline:none;
    -webkit-tap-highlight-color:transparent
}

details>summary::-webkit-details-marker{
    display:none
}

details>summary::before{
    content:"";
    border:solid transparent;
    border-left:solid;
    border-width:.3em 0 .3em .5em;
    position:absolute;
    top:.5em;
    left:-1.25rem;
    transform:translateX(15%)
}

details[open]>summary::before{
    border:solid transparent;
    border-top:solid;
    border-width:.5em .3em 0;
    transform:translateY(15%)
}

details>summary::after{
    content:"";
    width:1.25rem;
    height:1em;
    position:absolute;
    top:.3em;
    left:-1.25rem
}

.admonitionblock td.content>.title,.audioblock>.title,
.exampleblock>.title,.imageblock>.title,.listingblock>
.title,.literalblock>.title,.stemblock>.title,.openblock>
.title,.paragraph>.title,.quoteblock>.title,
table.tableblock>.title,.verseblock>.title,
.videoblock>.title,.dlist>.title,.olist>.title,.ulist>
.title,.qlist>.title,.hdlist>.title{
    text-rendering:optimizeLegibility;
    text-align:left;
    font-family:"Noto Serif","DejaVu Serif",serif;
    font-size:1rem;
    font-style:italic
}

table.tableblock.fit-content>caption.title{
    white-space:nowrap;
    width:0
}

.paragraph.lead>p,#preamble>.sectionbody>[class=paragraph]:first-of-type p{
    font-size:1.21875em;
    line-height:1.6;
    color:rgba(0,0,0,.85)
}

.admonitionblock>table{
    border-collapse:separate;
    border:0;
    background:none;
    width:100%
}

.admonitionblock>table td.icon{
    text-align:center;
    width:80px
}

.admonitionblock>table td.icon img{
    max-width:none
}

.admonitionblock>table td.icon .title{
    font-weight:bold;
    font-family:"Open Sans","DejaVu Sans",sans-serif;
    text-transform:uppercase
}

.admonitionblock>table td.content{
    padding-left:1.125em;
    padding-right:1.25em;
    border-left:1px solid #dddddf;
    color:rgba(0,0,0,.6);
    word-wrap:anywhere
}

.admonitionblock>table td.content>:last-child>:last-child{
    margin-bottom:0
}

.exampleblock>.content{
    border:1px solid #e6e6e6;
    margin-bottom:1.25em;
    padding:1.25em;
    background:#fff;
    border-radius:4px
}

.sidebarblock{
    border:1px solid #dbdbd6;
    margin-bottom:1.25em;
    padding:1.25em;
    background:#f3f3f2;
    border-radius:4px
}

.sidebarblock>.content>.title{
    color:#7a2518;
    margin-top:0;
    text-align:center
}

.exampleblock>.content>:first-child,.sidebarblock>.content>
:first-child{
    margin-top:0
}

.exampleblock>.content>:last-child,.exampleblock>.content>
:last-child>:last-child,.exampleblock>.content .olist>ol>
li:last-child>:last-child,.exampleblock>.content .ulist>ul>
li:last-child>:last-child,.exampleblock>.content .qlist>ol>
li:last-child>:last-child,.sidebarblock>.content>:last-child,
.sidebarblock>.content>:last-child>:last-child,
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.sidebarblock>.content .qlist>ol>li:last-child>:last-child{
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.prettyprint{
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pre.prettyprint .linenums{
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pre.prettyprint li{
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pre.prettyprint li code[data-lang]::before{
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pre.prettyprint li:not(:first-child) code[data-lang]::before{
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table.linenotable{
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table.linenotable td[class]{
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table.linenotable td.code{
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table.linenotable td.linenos,pre.pygments .linenos{
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pre.pygments span.linenos{
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.quoteblock{
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.quoteblock blockquote{
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.quoteblock blockquote>.paragraph:last-child p{
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table.tableblock,th.tableblock,td.tableblock{
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table.grid-cols>*>tr>*{
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table.grid-rows>*>tr>*{
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table.frame-all{
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table.frame-ends{
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table.frame-sides{
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th.halign-center,td.halign-center{
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th.valign-bottom,td.valign-bottom{
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th.valign-middle,td.valign-middle{
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table thead th,table tfoot th{
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tbody tr th{
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p.tableblock>code:only-child{
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p.tableblock{
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ol{
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ul li ol{
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dl dd{
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dl dd:last-child,dl dd:last-child>:last-child{
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li p,ul dd,ol dd,.olist .olist,.ulist .ulist,.ulist .olist,
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ul.checklist,ul.none,ol.none,ul.no-bullet,ol.no-bullet,
ol.unnumbered,ul.unstyled,ol.unstyled{
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ul.no-bullet,ol.no-bullet,ol.unnumbered{
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ul.unstyled,ol.unstyled{
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li>p:empty:only-child::before{
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ul.checklist>li>p:first-child{
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ul.checklist>li>p:first-child>.fa-square-o:first-child,
ul.checklist>li>p:first-child>.fa-check-square-o:first-child{
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ul.checklist>li>p:first-child>input[type=checkbox]:first-child{
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ul.inline{
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ul.inline>li{
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ol.arabic{
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ol.decimal{
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ol.upperroman{
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ol.lowergreek{
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td.hdlist1,td.hdlist2{
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}

td.hdlist1{
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}

td.hdlist2{
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}

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.imageblock.left{
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.imageblock>.title{
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.image.left{
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.image.right{
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}

a.image{
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a.image object{
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sup.footnote,sup.footnoteref{
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sup.footnote a,sup.footnoteref a{
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sup.footnote a:active,sup.footnoteref a:active,
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#footnotes{
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#footnotes hr{
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#footnotes .footnote{
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#content #footnotes{
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div.unbreakable{
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.underline{
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.overline{
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.line-through{
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.aqua{
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}

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}

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}

.green{
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}

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.teal-background{
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.yellow{
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span.icon>.fa{
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a span.icon>.fa{
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pre .conum[data-value]{
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b.conum *{
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.conum:not([data-value]):empty{
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dt,th.tableblock,td.content,div.footnote{
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h1,h2,p,td.content,span.alt,summary{
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p strong,td.content strong,div.footnote strong{
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p,blockquote,dt,td.content,td.hdlist1,span.alt,summary{
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p{
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}

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p.tableblock{
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.exampleblock>.content{
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}

.print-only{
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}

@page{
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}

@media print{
    *{
        box-shadow:none!important;
        text-shadow:none!important
    }
    html{
        font-size:80%
    }
    a{color:inherit!important;text-decoration:underline!important}
    a.bare,a[href^="#"],a[href^="mailto:"]{
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    pre,blockquote,tr,img,object,svg{
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    svg{
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    body.book #header .details span:first-child{
        margin-left:0!important
    }
    body.book #header .details br{
        display:block
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    body.book #header .details br+span::before{
        content:none!important
    }
    body.book #toc{
        border:0!important;
        text-align:left!important;
        padding:0!important
        ;margin:0!important
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    body.book #toc,body.book #preamble,body.book h1.sect0,
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    .listingblock code[data-lang]::before{
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}

@media amzn-kf8,print{
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}

@media amzn-kf8{
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}

header {
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}
  
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pre, code, .listingblock, .literalblock {
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}

@media (max-width: 900px) {
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    display: none !important;
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  .nav-toggle-btn {
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    top: 76px !important;
    left: 12px !important;
    width: 36px !important;
    height: 36px !important;
    font-size: 1.2em !important;
    padding: 4px !important;
    border-radius: 50% !important;
    z-index: 1 !important;
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  img {
    max-width: 80% !important;
    height: auto !important;
    display: block !important;
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  nav {
    width: 100vw !important;
    left: 0 !important;
    right: 0 !important;
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}

@media (max-width: 720px) {

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  .nav-toggle-btn {
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  }
  
  #content, #footer {
    width: auto;
    max-width: auto;
    min-width: 0;
    padding: 0 0.2em;
    margin: 0 0.2em;
    box-sizing: border-box;
    font-size: 1em;
  }
  .nav-toggle-btn {
    display: block !important;
    position: fixed !important;
    top: 76px !important;
    left: 12px !important;
    width: 36px !important;
    height: 36px !important;
    font-size: 1.2em !important;
    padding: 4px !important;
    border-radius: 50% !important;
    z-index: 1 !important;
  }

  img {
    max-width: 80% !important;
    height: auto !important;
    display: block !important;
    margin: 0 auto !important;
  }
}
.nav-toggle-btn {
  display: none;
  position: fixed;
  bottom: 80px;
  left: 20px;
  z-index: 200;
  background: #764ba2;
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 54px;
  height: 54px;
  font-size: 2em;
  box-shadow: 0 2px 8px rgba(0,0,0,0.18);
  cursor: pointer;
}

 .side-drawer {
   display: none;
   position: fixed;
   top: 76px;
   left: 0;
   width: 80vw;
   max-width: 320px;
   min-height: 200px;
   background: #fff;
   box-shadow: 2px 0 12px rgba(118,75,162,0.18);
   z-index: 300;
   padding: 2em 1.5em;
   overflow-y: auto;
   color: #764ba2;
   font-size: 1.1em;
 }

.side-drawer.open {
  display: block;
  animation: slideInLeft 0.25s;
}

@keyframes slideInLeft {
  from { transform: translateX(-100%); }
  to { transform: translateX(0); }
}

.side-drawer.close {
  position: fixed;
  top: 10px;
  right: 18px;
  background: #fff;
  border: none;
  font-size: 2em;
  color: #764ba2;
  cursor: pointer;
  z-index: 9999;
  box-shadow: 0 2px 8px rgba(44,62,80,0.12);
  border-radius: 50%;
  padding: 0.1em 0.4em;
}

p.column {
    display: inline-block;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    margin: 0;
    padding: .4em 0;
    font-size: .8em;
    line-height: 1.6;
}