diff --git a/.pandoc/templates/github.html5 b/.pandoc/templates/github.html5
--- a/.pandoc/templates/github.html5
+++ b/.pandoc/templates/github.html5
@@ -41,6 +41,7 @@
   <title>$if(docmeta-title)$$docmeta-title$$else$$if(title-prefix)$$title-prefix$ – $endif$$pagetitle$$endif$</title>
   <style type="text/css">@font-face{font-family:octicons-link;src:url(data:font/woff;charset=utf-8;base64,d09GRgABAAAAAAZwABAAAAAACFQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABEU0lHAAAGaAAAAAgAAAAIAAAAAUdTVUIAAAZcAAAACgAAAAoAAQAAT1MvMgAAAyQAAABJAAAAYFYEU3RjbWFwAAADcAAAAEUAAACAAJThvmN2dCAAAATkAAAABAAAAAQAAAAAZnBnbQAAA7gAAACyAAABCUM+8IhnYXNwAAAGTAAAABAAAAAQABoAI2dseWYAAAFsAAABPAAAAZwcEq9taGVhZAAAAsgAAAA0AAAANgh4a91oaGVhAAADCAAAABoAAAAkCA8DRGhtdHgAAAL8AAAADAAAAAwGAACfbG9jYQAAAsAAAAAIAAAACABiATBtYXhwAAACqAAAABgAAAAgAA8ASm5hbWUAAAToAAABQgAAAlXu73sOcG9zdAAABiwAAAAeAAAAME3QpOBwcmVwAAAEbAAAAHYAAAB/aFGpk3jaTY6xa8JAGMW/O62BDi0tJLYQincXEypYIiGJjSgHniQ6umTsUEyLm5BV6NDBP8Tpts6F0v+k/0an2i+itHDw3v2+9+DBKTzsJNnWJNTgHEy4BgG3EMI9DCEDOGEXzDADU5hBKMIgNPZqoD3SilVaXZCER3/I7AtxEJLtzzuZfI+VVkprxTlXShWKb3TBecG11rwoNlmmn1P2WYcJczl32etSpKnziC7lQyWe1smVPy/Lt7Kc+0vWY/gAgIIEqAN9we0pwKXreiMasxvabDQMM4riO+qxM2ogwDGOZTXxwxDiycQIcoYFBLj5K3EIaSctAq2kTYiw+ymhce7vwM9jSqO8JyVd5RH9gyTt2+J/yUmYlIR0s04n6+7Vm1ozezUeLEaUjhaDSuXHwVRgvLJn1tQ7xiuVv/ocTRF42mNgZGBgYGbwZOBiAAFGJBIMAAizAFoAAABiAGIAznjaY2BkYGAA4in8zwXi+W2+MjCzMIDApSwvXzC97Z4Ig8N/BxYGZgcgl52BCSQKAA3jCV8CAABfAAAAAAQAAEB42mNgZGBg4f3vACQZQABIMjKgAmYAKEgBXgAAeNpjYGY6wTiBgZWBg2kmUxoDA4MPhGZMYzBi1AHygVLYQUCaawqDA4PChxhmh/8ODDEsvAwHgMKMIDnGL0x7gJQCAwMAJd4MFwAAAHjaY2BgYGaA4DAGRgYQkAHyGMF8NgYrIM3JIAGVYYDT+AEjAwuDFpBmA9KMDEwMCh9i/v8H8sH0/4dQc1iAmAkALaUKLgAAAHjaTY9LDsIgEIbtgqHUPpDi3gPoBVyRTmTddOmqTXThEXqrob2gQ1FjwpDvfwCBdmdXC5AVKFu3e5MfNFJ29KTQT48Ob9/lqYwOGZxeUelN2U2R6+cArgtCJpauW7UQBqnFkUsjAY/kOU1cP+DAgvxwn1chZDwUbd6CFimGXwzwF6tPbFIcjEl+vvmM/byA48e6tWrKArm4ZJlCbdsrxksL1AwWn/yBSJKpYbq8AXaaTb8AAHja28jAwOC00ZrBeQNDQOWO//sdBBgYGRiYWYAEELEwMTE4uzo5Zzo5b2BxdnFOcALxNjA6b2ByTswC8jYwg0VlNuoCTWAMqNzMzsoK1rEhNqByEyerg5PMJlYuVueETKcd/89uBpnpvIEVomeHLoMsAAe1Id4AAAAAAAB42oWQT07CQBTGv0JBhagk7HQzKxca2sJCE1hDt4QF+9JOS0nbaaYDCQfwCJ7Au3AHj+LO13FMmm6cl7785vven0kBjHCBhfpYuNa5Ph1c0e2Xu3jEvWG7UdPDLZ4N92nOm+EBXuAbHmIMSRMs+4aUEd4Nd3CHD8NdvOLTsA2GL8M9PODbcL+hD7C1xoaHeLJSEao0FEW14ckxC+TU8TxvsY6X0eLPmRhry2WVioLpkrbp84LLQPGI7c6sOiUzpWIWS5GzlSgUzzLBSikOPFTOXqly7rqx0Z1Q5BAIoZBSFihQYQOOBEdkCOgXTOHA07HAGjGWiIjaPZNW13/+lm6S9FT7rLHFJ6fQbkATOG1j2OFMucKJJsxIVfQORl+9Jyda6Sl1dUYhSCm1dyClfoeDve4qMYdLEbfqHf3O/AdDumsjAAB42mNgYoAAZQYjBmyAGYQZmdhL8zLdDEydARfoAqIAAAABAAMABwAKABMAB///AA8AAQAAAAAAAAAAAAAAAAABAAAAAA==) format('woff')}.markdown-body{-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%;color:#24292e;font-family:-apple-system,system-ui,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:16px;line-height:1.5;word-wrap:break-word;box-sizing:border-box;min-width:200px;max-width:980px;margin:0 auto;padding:45px}.markdown-body .octicon{display:inline-block;fill:currentColor;vertical-align:text-bottom}.markdown-body a{background-color:transparent;-webkit-text-decoration-skip:objects;color:#0366d6;text-decoration:none}.markdown-body a:active,.markdown-body a:hover{outline-width:0}.markdown-body h1{margin:.67em 0}.markdown-body img{border-style:none}.markdown-body svg:not(:root){overflow:hidden}.markdown-body code,.markdown-body kbd,.markdown-body pre{font-family:monospace,monospace}.markdown-body input{font:inherit;margin:0;overflow:visible;font-family:inherit;font-size:inherit;line-height:inherit}.markdown-body [type=checkbox]{box-sizing:border-box;padding:0}.markdown-body *{box-sizing:border-box}.markdown-body a:hover{text-decoration:underline}.markdown-body strong{font-weight:600}.markdown-body hr{box-sizing:content-box;overflow:hidden;background:0 0;border-bottom:1px solid #dfe2e5}.markdown-body hr::before{display:table;content:""}.markdown-body hr::after{display:table;clear:both;content:""}.markdown-body table{border-spacing:0;border-collapse:collapse;display:block;width:100%;overflow:auto}.markdown-body td,.markdown-body th{padding:0}.markdown-body blockquote{margin:0}.markdown-body ol ol,.markdown-body ul ol{list-style-type:lower-roman}.markdown-body ol ol ol,.markdown-body ol ul ol,.markdown-body ul ol ol,.markdown-body ul ul ol{list-style-type:lower-alpha}.markdown-body dd{margin-left:0}.markdown-body code{font-family:SFMono-Regular,Consolas,"Liberation Mono",Menlo,Courier,monospace}.markdown-body pre{font:12px SFMono-Regular,Consolas,"Liberation Mono",Menlo,Courier,monospace;word-wrap:normal}.markdown-body .pl-0{padding-left:0!important}.markdown-body .pl-1{padding-left:4px!important}.markdown-body .pl-2{padding-left:8px!important}.markdown-body .pl-3{padding-left:16px!important}.markdown-body .pl-4{padding-left:24px!important}.markdown-body .pl-5{padding-left:32px!important}.markdown-body .pl-6{padding-left:40px!important}.markdown-body::before{display:table;content:""}.markdown-body::after{display:table;clear:both;content:""}.markdown-body>:first-child{margin-top:0!important}.markdown-body>:last-child{margin-bottom:0!important}.markdown-body a:not([href]){color:inherit;text-decoration:none}.markdown-body .anchor{float:left;padding-right:4px;margin-left:-20px;line-height:1}.markdown-body .anchor:focus{outline:0}.markdown-body blockquote,.markdown-body dl,.markdown-body ol,.markdown-body p,.markdown-body pre,.markdown-body table,.markdown-body ul{margin-top:0;margin-bottom:16px}.markdown-body hr{height:.25em;padding:0;margin:24px 0;background-color:#e1e4e8;border:0}.markdown-body blockquote{padding:0 1em;color:#6a737d;border-left:.25em solid #dfe2e5}.markdown-body blockquote>:first-child{margin-top:0}.markdown-body blockquote>:last-child{margin-bottom:0}.markdown-body kbd{font-size:11px;box-shadow:inset 0 -1px 0 #959da5}.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4,.markdown-body h5,.markdown-body h6{margin-top:24px;margin-bottom:16px;font-weight:600;line-height:1.25}.markdown-body h1 .octicon-link,.markdown-body h2 .octicon-link,.markdown-body h3 .octicon-link,.markdown-body h4 .octicon-link,.markdown-body h5 .octicon-link,.markdown-body h6 .octicon-link{color:#1b1f23;vertical-align:middle;visibility:hidden}.markdown-body h1:hover .anchor,.markdown-body h2:hover .anchor,.markdown-body h3:hover .anchor,.markdown-body h4:hover .anchor,.markdown-body h5:hover .anchor,.markdown-body h6:hover .anchor{text-decoration:none}.markdown-body h1:hover .anchor .octicon-link,.markdown-body h2:hover .anchor .octicon-link,.markdown-body h3:hover .anchor .octicon-link,.markdown-body h4:hover .anchor .octicon-link,.markdown-body h5:hover .anchor .octicon-link,.markdown-body h6:hover .anchor .octicon-link{visibility:visible}.markdown-body h1{padding-bottom:.3em;font-size:2em;border-bottom:1px solid #eaecef}.markdown-body h2{padding-bottom:.3em;font-size:1.5em;border-bottom:1px solid #eaecef}.markdown-body h3{font-size:1.25em}.markdown-body h4{font-size:1em}.markdown-body h5{font-size:.875em}.markdown-body h6{font-size:.85em;color:#6a737d}.markdown-body ol,.markdown-body ul{padding-left:2em}.markdown-body ol ol,.markdown-body ol ul,.markdown-body ul ol,.markdown-body ul ul{margin-top:0;margin-bottom:0}.markdown-body li>p{margin-top:16px}.markdown-body li+li{margin-top:.25em}.markdown-body dl{padding:0}.markdown-body dl dt{padding:0;margin-top:16px;font-size:1em;font-style:italic;font-weight:600}.markdown-body dl dd{padding:0 16px;margin-bottom:16px}.markdown-body table th{font-weight:600}.markdown-body table td,.markdown-body table th{padding:6px 13px;border:1px solid #dfe2e5}.markdown-body table tr{background-color:#fff;border-top:1px solid #c6cbd1}.markdown-body table tr:nth-child(2n){background-color:#f6f8fa}.markdown-body img{max-width:100%;box-sizing:content-box;background-color:#fff}.markdown-body code{padding:.2em 0;margin:0;font-size:85%;background-color:rgba(27,31,35,.05);border-radius:3px}.markdown-body code::after,.markdown-body code::before{letter-spacing:-.2em;content:"\00a0"}.markdown-body pre>code{padding:0;margin:0;font-size:100%;word-break:normal;white-space:pre;background:0 0;border:0}.markdown-body .highlight{margin-bottom:16px}.markdown-body .highlight pre{margin-bottom:0;word-break:normal}.markdown-body .highlight pre,.markdown-body pre{padding:16px;overflow:auto;font-size:85%;line-height:1.45;background-color:#f6f8fa;border-radius:3px}.markdown-body pre code{display:inline;max-width:auto;padding:0;margin:0;overflow:visible;line-height:inherit;word-wrap:normal;background-color:transparent;border:0}.markdown-body pre code::after,.markdown-body pre code::before{content:normal}.markdown-body .full-commit .btn-outline:not(:disabled):hover{color:#005cc5;border-color:#005cc5}.markdown-body kbd{display:inline-block;padding:3px 5px;font:11px SFMono-Regular,Consolas,"Liberation Mono",Menlo,Courier,monospace;line-height:10px;color:#444d56;vertical-align:middle;background-color:#fcfcfc;border:1px solid #c6cbd1;border-bottom-color:#959da5;border-radius:3px;box-shadow:inset 0 -1px 0 #959da5}.markdown-body :checked+.radio-label{position:relative;z-index:1;border-color:#0366d6}.markdown-body .task-list-item{list-style-type:none}.markdown-body .task-list-item+.task-list-item{margin-top:3px}.markdown-body .task-list-item input{margin:0 .2em .25em -1.6em;vertical-align:middle}.markdown-body hr{border-bottom-color:#eee}.flash{position:relative;padding:16px;color:#246;background-color:#e2eef9;border:1px solid #bac6d3;border-radius:3px}.flash p:last-child{margin-bottom:0}.flash-messages{margin-bottom:24px}.flash-warn{color:#4c4a42;background-color:#fff9ea;border-color:#dfd8c2}.flash-error{color:#911;background-color:#fcdede;border-color:#d2b2b2}.flash-success{color:#22662c;background-color:#e2f9e5;border-color:#bad3be}.flash-plain{color:#4c4a42;background-color:#f5f5f5;border-color:#c1c1c1}</style>
   <style type="text/css">code{white-space: pre;}</style>
+  <style type="text/css">body { color: #5b4636; background-color: #f4ecd8; }</style>
 $if(quotes)$
   <style type="text/css">q { quotes: "“" "”" "‘" "’"; }</style>
 $endif$