:root{--ibzan-brown-1:#90654a;--ibzan-brown-2:#886c58;--ibzan-dark-blue:#2f1e82;--ibzan-dark-brown:#302222;--ibzan-pastel-blue:#5c5baa;--ibzan-tan:#c5a68d;--ref-edge:#a9989d}body{text-rendering:optimizelegibility;font-feature-settings:"calt", "kern", "liga", "onum", "zero";max-width:100ch;margin-left:auto;margin-right:auto;padding:0 5% 20%;font-family:heliotrope_4,sans-serif;font-size:18px;line-height:1.3}@media screen{p,h1,h2,h3,h4,h5,h6,ul{padding:0 20%}.print-only{display:none}.centre-text{text-align:center}div.centre-margin{position:relative}div.centre-margin>*{margin-right:-50%;position:absolute;left:50%;transform:translate(-50%)}body{background-color:var(--ibzan-dark-brown);color:#fff}h1,h2,h3,h4,h5,h6{text-decoration:underline;-webkit-text-decoration-color:var(--ibzan-pastel-blue);text-decoration-color:var(--ibzan-pastel-blue)}.colour{font-feature-settings:"onum" off, "tnum";border:1px solid gray;border-radius:3px;padding:.1em 1em;font-family:triplicate_a,monospace}.reftabs{max-width:90vw;margin-left:auto;margin-right:auto;display:block}.reftabs>input[type=radio],.reftabs .reftab-panel{display:none}.reftabs>input:first-child:checked~.reftab-panels>.reftab-panel:first-child,.reftabs>input:nth-child(3):checked~.reftab-panels>.reftab-panel:nth-child(2){display:block}.reftabs>label{cursor:pointer;border:1px solid #0000;border-bottom:0;padding:1em 1em 1.5em;font-weight:700;display:inline-block;position:relative}.reftabs>label:after{content:"";background:var(--ibzan-tan);width:1.4em;height:.25em;position:absolute;bottom:1em;left:1em}.reftabs>label>span,a{background-color:var(--ibzan-tan);-webkit-text-decoration:unset;text-decoration:unset;color:#000;border-radius:.2em;padding-left:.2em;padding-right:.2em;font-style:normal}a.external-link{font-family:heliotrope_4_caps,heliotrope_4,sans-serif;font-variant-caps:small-caps}.reftabs>label:hover>span,a:hover{background-color:var(--ibzan-pastel-blue)}.reftabs>label:hover:after,.reftabs>input:checked+label:after{background:var(--ibzan-pastel-blue)}}@media only screen and (max-width:768px){body{padding:0 18px 2em}p,h1,h2,h3,h4,h5,h6,ul{padding:0}}@media print{.print-hide{display:none}.colour{font-feature-settings:"onum" off, "tnum"}.colour-rect{float:right;width:1em;height:1em}a{all:unset}}.ref{break-inside:avoid;max-width:100%;max-height:90vh;margin-left:auto;margin-right:auto;display:block}.no-break{break-inside:avoid;display:block}