/*! normalize.css v3.0.2 | MIT License | git.io/normalize */
/** 1. Set default font family to sans-serif. 2. Prevent iOS text size adjust after orientation change, without disabling user zoom. */
@import url("https://fonts.googleapis.com/css?family=Open+Sans:400,700&display=swap");
html {
    font-family: sans-serif; /* 1 */
    -ms-text-size-adjust: 100%; /* 2 */
    -webkit-text-size-adjust: 100%; /* 2 */
}

/** Remove default margin. */
body {
    margin: 0;
}

/* HTML5 display definitions ========================================================================== */
/** Correct `block` display not defined for any HTML5 element in IE 8/9. Correct `block` display not defined for `details` or `summary` in IE 10/11 and Firefox. Correct `block` display not defined for `main` in IE 11. */
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
main,
menu,
nav,
section,
summary {
    display: block;
}

/** 1. Correct `inline-block` display not defined in IE 8/9. 2. Normalize vertical alignment of `progress` in Chrome, Firefox, and Opera. */
audio,
canvas,
progress,
video {
    display: inline-block; /* 1 */
    vertical-align: baseline; /* 2 */
}

/** Prevent modern browsers from displaying `audio` without controls. Remove excess height in iOS 5 devices. */
audio:not([controls]) {
    display: none;
    height: 0;
}

/** Address `[hidden]` styling not present in IE 8/9/10. Hide the `template` element in IE 8/9/11, Safari, and Firefox < 22. */
[hidden],
template {
    display: none;
}

/* Links ========================================================================== */
/** Remove the gray background color from active links in IE 10. */
a {
    background-color: transparent;
}

/** Improve readability when focused and also mouse hovered in all browsers. */
a:active,
a:hover {
    outline: 0;
}

/* Text-level semantics ========================================================================== */
/** Address styling not present in IE 8/9/10/11, Safari, and Chrome. */
abbr[title] {
    border-bottom: 1px dotted;
}

/** Address style set to `bolder` in Firefox 4+, Safari, and Chrome. */
b,
strong {
    font-weight: bold;
}

/** Address styling not present in Safari and Chrome. */
dfn {
    font-style: italic;
}

/** Address variable `h1` font-size and margin within `section` and `article` contexts in Firefox 4+, Safari, and Chrome. */
h1 {
    font-size: 2em;
    margin: 0.67em 0;
}

/** Address styling not present in IE 8/9. */
mark {
    background: #ff0;
    color: #000;
}

/** Address inconsistent and variable font size in all browsers. */
small {
    font-size: 80%;
}

/** Prevent `sub` and `sup` affecting `line-height` in all browsers. */
sub,
sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
}

sup {
    top: -0.5em;
}

sub {
    bottom: -0.25em;
}

/* Embedded content ========================================================================== */
/** Remove border when inside `a` element in IE 8/9/10. */
img {
    border: 0;
}

/** Correct overflow not hidden in IE 9/10/11. */
svg:not(:root) {
    overflow: hidden;
}

/* Grouping content ========================================================================== */
/** Address margin not present in IE 8/9 and Safari. */
figure {
    margin: 1em 40px;
}

/** Address differences between Firefox and other browsers. */
hr {
    box-sizing: content-box;
    height: 0;
}

/** Contain overflow in all browsers. */
pre {
    overflow: auto;
}

/** Address odd `em`-unit font size rendering in all browsers. */
code,
kbd,
pre,
samp {
    font-family: monospace, monospace;
    font-size: 1em;
}

/* Forms ========================================================================== */
/** Known limitation: by default, Chrome and Safari on OS X allow very limited styling of `select`, unless a `border` property is set. */
/** 1. Correct color not being inherited. Known issue: affects color of disabled elements. 2. Correct font properties not being inherited. 3. Address margins set differently in Firefox 4+, Safari, and Chrome. */
button,
input,
optgroup,
select,
textarea {
    color: inherit; /* 1 */
    font: inherit; /* 2 */
    margin: 0; /* 3 */
}

/** Address `overflow` set to `hidden` in IE 8/9/10/11. */
button {
    overflow: visible;
}

/** Address inconsistent `text-transform` inheritance for `button` and `select`. All other form control elements do not inherit `text-transform` values. Correct `button` style inheritance in Firefox, IE 8/9/10/11, and Opera. Correct `select` style inheritance in Firefox. */
button,
select {
    text-transform: none;
}

/** 1. Avoid the WebKit bug in Android 4.0.* where (2) destroys native `audio` and `video` controls. 2. Correct inability to style clickable `input` types in iOS. 3. Improve usability and consistency of cursor style between image-type `input` and others. */
button,
html input[type="button"],
input[type="reset"],
input[type="submit"] {
    -webkit-appearance: button; /* 2 */
    cursor: pointer; /* 3 */
}

/** Re-set default cursor for disabled elements. */
button[disabled],
html input[disabled] {
    cursor: default;
}

/** Remove inner padding and border in Firefox 4+. */
button::-moz-focus-inner,
input::-moz-focus-inner {
    border: 0;
    padding: 0;
}

/** Address Firefox 4+ setting `line-height` on `input` using `!important` in the UA stylesheet. */
input {
    line-height: normal;
}

/** It's recommended that you don't attempt to style these elements. Firefox's implementation doesn't respect box-sizing, padding, or width.  1. Address box sizing set to `content-box` in IE 8/9/10. 2. Remove excess padding in IE 8/9/10. */
input[type="checkbox"],
input[type="radio"] {
    box-sizing: border-box; /* 1 */
    padding: 0; /* 2 */
}

/** Fix the cursor style for Chrome's increment/decrement buttons. For certain `font-size` values of the `input`, it causes the cursor style of the decrement button to change from `default` to `text`. */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    height: auto;
}

/** 1. Address `appearance` set to `searchfield` in Safari and Chrome. 2. Address `box-sizing` set to `border-box` in Safari and Chrome (include `-moz` to future-proof). */
input[type="search"] {
    -webkit-appearance: textfield; /* 1 */ /* 2 */
    box-sizing: content-box;
}

/** Remove inner padding and search cancel button in Safari and Chrome on OS X. Safari (but not Chrome) clips the cancel button when the search input has padding (and `textfield` appearance). */
input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-decoration {
    -webkit-appearance: none;
}

/** Define consistent border, margin, and padding. */
fieldset {
    border: 1px solid #c0c0c0;
    margin: 0 2px;
    padding: 0.35em 0.625em 0.75em;
}

/** 1. Correct `color` not being inherited in IE 8/9/10/11. 2. Remove padding so people aren't caught out if they zero out fieldsets. */
legend {
    border: 0; /* 1 */
    padding: 0; /* 2 */
}

/** Remove default vertical scrollbar in IE 8/9/10/11. */
textarea {
    overflow: auto;
}

/** Don't inherit the `font-weight` (applied by a rule above). NOTE: the default cannot safely be changed in Chrome and Safari on OS X. */
optgroup {
    font-weight: bold;
}

/* Tables ========================================================================== */
/** Remove most spacing between table cells. */
table {
    border-collapse: collapse;
    border-spacing: 0;
}

td,
th {
    padding: 0;
}

.highlight table td {
    padding: 5px;
}

.highlight table pre {
    margin: 0;
}

.highlight .cm {
    color: #999988;
    font-style: italic;
}

.highlight .cp {
    color: #999999;
    font-weight: bold;
}

.highlight .c1 {
    color: #999988;
    font-style: italic;
}

.highlight .cs {
    color: #999999;
    font-weight: bold;
    font-style: italic;
}

.highlight .c,
.highlight .cd {
    color: #999988;
    font-style: italic;
}

.highlight .err {
    color: #a61717;
    background-color: #e3d2d2;
}

.highlight .gd {
    color: #000000;
    background-color: #ffdddd;
}

.highlight .ge {
    color: #000000;
    font-style: italic;
}

.highlight .gr {
    color: #aa0000;
}

.highlight .gh {
    color: #999999;
}

.highlight .gi {
    color: #000000;
    background-color: #ddffdd;
}

.highlight .go {
    color: #888888;
}

.highlight .gp {
    color: #555555;
}

.highlight .gs {
    font-weight: bold;
}

.highlight .gu {
    color: #aaaaaa;
}

.highlight .gt {
    color: #aa0000;
}

.highlight .kc {
    color: #000000;
    font-weight: bold;
}

.highlight .kd {
    color: #000000;
    font-weight: bold;
}

.highlight .kn {
    color: #000000;
    font-weight: bold;
}

.highlight .kp {
    color: #000000;
    font-weight: bold;
}

.highlight .kr {
    color: #000000;
    font-weight: bold;
}

.highlight .kt {
    color: #445588;
    font-weight: bold;
}

.highlight .k,
.highlight .kv {
    color: #000000;
    font-weight: bold;
}

.highlight .mf {
    color: #009999;
}

.highlight .mh {
    color: #009999;
}

.highlight .il {
    color: #009999;
}

.highlight .mi {
    color: #009999;
}

.highlight .mo {
    color: #009999;
}

.highlight .m,
.highlight .mb,
.highlight .mx {
    color: #009999;
}

.highlight .sb {
    color: #d14;
}

.highlight .sc {
    color: #d14;
}

.highlight .sd {
    color: #d14;
}

.highlight .s2 {
    color: #d14;
}

.highlight .se {
    color: #d14;
}

.highlight .sh {
    color: #d14;
}

.highlight .si {
    color: #d14;
}

.highlight .sx {
    color: #d14;
}

.highlight .sr {
    color: #009926;
}

.highlight .s1 {
    color: #d14;
}

.highlight .ss {
    color: #990073;
}

.highlight .s {
    color: #d14;
}

.highlight .na {
    color: #008080;
}

.highlight .bp {
    color: #999999;
}

.highlight .nb {
    color: #0086b3;
}

.highlight .nc {
    color: #445588;
    font-weight: bold;
}

.highlight .no {
    color: #008080;
}

.highlight .nd {
    color: #3c5d5d;
    font-weight: bold;
}

.highlight .ni {
    color: #800080;
}

.highlight .ne {
    color: #990000;
    font-weight: bold;
}

.highlight .nf {
    color: #990000;
    font-weight: bold;
}

.highlight .nl {
    color: #990000;
    font-weight: bold;
}

.highlight .nn {
    color: #555555;
}

.highlight .nt {
    color: #000080;
}

.highlight .vc {
    color: #008080;
}

.highlight .vg {
    color: #008080;
}

.highlight .vi {
    color: #008080;
}

.highlight .nv {
    color: #008080;
}

.highlight .ow {
    color: #000000;
    font-weight: bold;
}

.highlight .o {
    color: #000000;
    font-weight: bold;
}

.highlight .w {
    color: #bbbbbb;
}

.highlight {
    background-color: #f8f8f8;
}

* {
    box-sizing: border-box;
}

body {
    padding: 0;
    margin: 0;
    font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: #606c71;
}

#skip-to-content {
    height: 1px;
    width: 1px;
    position: absolute;
    overflow: hidden;
    top: -10px;
}
#skip-to-content:focus {
    position: fixed;
    top: 10px;
    left: 10px;
    height: auto;
    width: auto;
    background: #e19447;
    outline: thick solid #e19447;
}

a {
    color: #d64200;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

.btn {
    display: inline-block;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.7);
    background-color: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    border-style: solid;
    border-width: 1px;
    border-radius: 0.3rem;
    transition:
        color 0.2s,
        background-color 0.2s,
        border-color 0.2s;
}
.btn:hover {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}
.btn + .btn {
    margin-left: 1rem;
}
@media screen and (min-width: 64em) {
    .btn {
        padding: 0.75rem 1rem;
    }
}
@media screen and (min-width: 42em) and (max-width: 64em) {
    .btn {
        padding: 0.6rem 0.9rem;
        font-size: 0.9rem;
    }
}
@media screen and (max-width: 42em) {
    .btn {
        display: block;
        width: 100%;
        padding: 0.75rem;
        font-size: 0.9rem;
    }
    .btn + .btn {
        margin-top: 1rem;
        margin-left: 0;
    }
}

.image-license {
    margin-left: auto;
    margin-right: 5pt;
    margin-top: 0;
    text-align: right;
    font-size: 0.75rem;
    color: #888;
}

.page-header {
    color: #ddd;
    text-align: center;
    background-color: #006e84;
    background: url("../../luebeck.jpeg") no-repeat center center;
    background-size: 100%;
    aspect-ratio: 36 / 9;
    /*max-width: 64rem;*/
    height: fit-content;
    margin: auto auto;
}

/*.page-header { color: #fff; text-align: center; background-color: #159957; background-image: linear-gradient(120deg, #155799, #159957); }*/
@media screen and (min-width: 64em) {
    .page-header {
        padding: 5rem 6rem;
    }
}
@media screen and (min-width: 42em) and (max-width: 64em) {
    .page-header {
        padding: 3rem 4rem;
    }
}
@media screen and (max-width: 42em) {
    .page-header {
        padding: 2rem 1rem;
    }
}

.titles {
    text-align: center;
    max-width: 64rem;
    margin: 2rem auto;
    color: #006e85;
}

.project-name {
    margin-top: 0;
    margin-bottom: 0.1rem;
    font-size: 2.5rem;
}

@media screen and (min-width: 64em) {
    .project-name {
        font-size: 2.5rem;
    }
}
@media screen and (min-width: 42em) and (max-width: 64em) {
    .project-name {
        font-size: 2rem;
    }
}
@media screen and (max-width: 42em) {
    .project-name {
        font-size: 1.5rem;
    }
}

.project-tagline {
    margin-bottom: 2rem;
    font-weight: normal;
    opacity: 0.7;
}
@media screen and (min-width: 64em) {
    .project-tagline {
        font-size: 1.25rem;
    }
}
@media screen and (min-width: 42em) and (max-width: 64em) {
    .project-tagline {
        font-size: 1.15rem;
    }
}
@media screen and (max-width: 42em) {
    .project-tagline {
        font-size: 1rem;
    }
}

.main-content {
    word-wrap: break-word;
}
.main-content :first-child {
    margin-top: 0;
}
@media screen and (min-width: 64em) {
    .main-content {
        max-width: 64rem;
        padding: 2rem 6rem;
        margin: 0 auto;
        font-size: 1.1rem;
    }
}
@media screen and (min-width: 42em) and (max-width: 64em) {
    .main-content {
        padding: 2rem 4rem;
        font-size: 1.1rem;
    }
}
@media screen and (max-width: 42em) {
    .main-content {
        padding: 2rem 1rem;
        font-size: 1rem;
    }
}
.main-content kbd {
    background-color: #fafbfc;
    border: 1px solid #c6cbd1;
    border-bottom-color: #959da5;
    border-radius: 3px;
    box-shadow: inset 0 -1px 0 #959da5;
    color: #444d56;
    display: inline-block;
    font-size: 11px;
    line-height: 10px;
    padding: 3px 5px;
    vertical-align: middle;
}
.main-content img {
    max-width: 100%;
}
.main-content h1,
.main-content h2,
.main-content h3,
.main-content h4,
.main-content h5,
.main-content h6 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: normal;
    color: #0091ae;
}
.main-content p {
    margin-bottom: 1em;
}
.main-content code {
    padding: 2px 4px;
    font-family: Consolas, "Liberation Mono", Menlo, Courier, monospace;
    font-size: 0.9rem;
    color: #567482;
    background-color: #f3f6fa;
    border-radius: 0.3rem;
}
.main-content pre {
    padding: 0.8rem;
    margin-top: 0;
    margin-bottom: 1rem;
    font:
        1rem Consolas,
        "Liberation Mono",
        Menlo,
        Courier,
        monospace;
    color: #567482;
    word-wrap: normal;
    background-color: #f3f6fa;
    border: solid 1px #dce6f0;
    border-radius: 0.3rem;
}
.main-content pre > code {
    padding: 0;
    margin: 0;
    font-size: 0.9rem;
    color: #567482;
    word-break: normal;
    white-space: pre;
    background: transparent;
    border: 0;
}
.main-content .highlight {
    margin-bottom: 1rem;
}
.main-content .highlight pre {
    margin-bottom: 0;
    word-break: normal;
}
.main-content .highlight pre,
.main-content pre {
    padding: 0.8rem;
    overflow: auto;
    font-size: 0.9rem;
    line-height: 1.45;
    border-radius: 0.3rem;
    -webkit-overflow-scrolling: touch;
}
.main-content pre code,
.main-content pre tt {
    display: inline;
    max-width: initial;
    padding: 0;
    margin: 0;
    overflow: initial;
    line-height: inherit;
    word-wrap: normal;
    background-color: transparent;
    border: 0;
}
.main-content pre code:before,
.main-content pre code:after,
.main-content pre tt:before,
.main-content pre tt:after {
    content: normal;
}
.main-content ul,
.main-content ol {
    margin-top: 0;
}
.main-content blockquote {
    padding: 0 1rem;
    margin-left: 0;
    color: #819198;
    border-left: 0.3rem solid #dce6f0;
}
.main-content blockquote > :first-child {
    margin-top: 0;
}
.main-content blockquote > :last-child {
    margin-bottom: 0;
}
.main-content table {
    display: block;
    width: 100%;
    overflow: auto;
    word-break: normal;
    word-break: keep-all;
    -webkit-overflow-scrolling: touch;
}
.main-content table th {
    font-weight: bold;
}
.main-content table th,
.main-content table td {
    padding: 0.5rem 1rem;
    border: 1px solid #e9ebec;
}
.main-content dl {
    padding: 0;
}
.main-content dl dt {
    padding: 0;
    margin-top: 1rem;
    font-size: 1rem;
    font-weight: bold;
}
.main-content dl dd {
    padding: 0;
    margin-bottom: 1rem;
}
.main-content hr {
    height: 2px;
    padding: 0;
    margin: 1rem 0;
    background-color: #eff0f1;
    border: 0;
}

.site-footer {
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: solid 1px #eff0f1;
}
@media screen and (min-width: 64em) {
    .site-footer {
        font-size: 1rem;
    }
}
@media screen and (min-width: 42em) and (max-width: 64em) {
    .site-footer {
        font-size: 1rem;
    }
}
@media screen and (max-width: 42em) {
    .site-footer {
        font-size: 0.9rem;
    }
}

.site-footer-owner {
    display: block;
    font-weight: bold;
}

.site-footer-credits {
    color: #819198;
}

.invited-speakers {
    display: grid;
    grid-template-columns: 50% 50%;
}