:root {
  --color-bg-light:       white;
  --color-bg-dark:        #111111;
  --color-text-light:     black;
  --color-text-dark:      white;
  --color-border-light:   hsl(71deg 57% 55%);
  --color-border-dark:    hsl(251deg 57% 55%);
  --border-gradient-light:  linear-gradient(120deg, hsl(71deg 57% 55%) 0%, hsl(100deg 37% 63%) 39%, hsl(129deg 26% 56%) 61%, hsl(146deg 50% 36%) 100%);  
  --border-gradient-dark:   linear-gradient(120deg, hsl(251deg 57% 55%) 0%, hsl(280deg 37% 63%) 39%, hsl(309deg 42% 63%) 61%, hsl(326deg 92% 46%) 100%);
  
  /*fallback*/
  --bg-color:               var(--color-bg-light);
  --text-color:             var(--color-text-light);
  --border-color:           var(--color-border-light);
  --border-width:           2px;
  --border-gradient:        var(--border-gradient-light);
  --margin:                 2em;
  --padding:                2em;
}

@font-face {
  font-family: 'EB Garamond';
  src: url(../fonts/EBGaramond-Regular.ttf), url(../fonts/EBGaramond-Regular.otf), url(../fonts/EBGaramond-Regular.woff), url(../fonts/EBGaramond-Regular.woff2);
}
@font-face {
  font-family: 'EB Garamond';
  src: url(../fonts/EBGaramond-Italic.ttf), url(../fonts/EBGaramond-Italic.otf), url(../fonts/EBGaramond-Italic.woff), url(../fonts/EBGaramond-Italic.woff2);
  font-style: italic;
}
@font-face {
  font-family: 'EB Garamond';
  src: url(../fonts/EBGaramond-Bold.ttf), url(../fonts/EBGaramond-Bold.otf), url(../fonts/EBGaramond-Bold.woff), url(../fonts/EBGaramond-Bold.woff2);
  font-weight: bold;
}
@font-face {
  font-family: 'EB Garamond';
  src: url(../fonts/EBGaramond-BoldItalic.ttf), url(../fonts/EBGaramond-BoldItalic.otf), url(../fonts/EBGaramond-BoldItalic.woff), url(../fonts/EBGaramond-BoldItalic.woff2);
  font-weight: bold;
  font-style: italic;
}

body {
  margin:   0;
  padding:  0;
  background: var(--bg-color);
  color: var(--text-color);
  font-size: 21px;
  text-rendering: optimizelegibility;
  font-family: 'EB Garamond', serif;
}

a {
  color: inherit;
  text-decoration-color: var(--border-color);
  text-underline-offset: .1em;
  text-decoration-thickness: 2px;
}
a:hover {
  color: var(--border-color);
}
h1>a {
  color: transparent;
  text-decoration: none;
}
h1:hover>a,h6:hover>a {
  color: transparent;
  text-decoration: underline;
  text-decoration-color: var(--text-color);
}
h1, h6 {
  color: transparent;
  background-image: var(--border-gradient);
  background-clip: text;
  color: transparent;
  text-align: left;
}
ul {
  list-style: none;
  padding-left: 2ch;
  margin: 0;
}

.container {
  width: 800px;
  margin: var(--margin) auto;
}

.box {
  border: var(--border-width) solid var(--border-color);
  border-image-source: var(--border-gradient);
  border-image-slice: 1;
  border-width: var(--border-width);
  padding: var(--padding) var(--padding);
  text-align: justify;
  line-height: 1.5;
}
.box:not(.header) {
  margin-top: var(--margin);
}
.box p {
  max-width: 100%;
}
.box p:last-of-type {
  margin-bottom: 0;
}
.box h6 {
  margin: 0;
  font-weight: normal;
  font-size: inherit;
}
.box img {
  max-width: inherit;
  margin-bottom: var(--margin);
}
.box img:last-of-type {
  margin-bottom: 0;
}
.box h1:first-of-type {
  margin-top: 0;
}

.video_box {
  position: relative;
  overflow: hidden;
  display: block;
  margin: 0 auto;
  height: 0;
  padding: 56.25% 0 0 0;
  margin-bottom: 42;
  max-width: 1920px;
  max-height: 1080px;
}
.video_box:last-child {
  margin-top: 42;
}
.video_square {
  padding: 100% 0 0 0;
}
.video_box iframe {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  margin: 0 auto;
}


@media (prefers-color-scheme: dark) {
  :root {
      --bg-color: var(--color-bg-dark);
    --text-color: var(--color-text-dark);
    --border-color: var(--color-border-dark);
    --border-gradient: var(--border-gradient-dark);
  }
}

@media (max-width: 800px) { 
  body {
    font-size: 1em;
  }
  .container {
    width: 100%;
    margin: 0;
  }
  .box {
    border-left: none;
    border-right: none;
    border-top: none;
    padding: calc(var(--padding)/2);
  }
  h1 {
    font-size: 1.2em;
    max-width: 100%;
    word-wrap:break-word;
    hyphens: auto;
  }
}