*{
  margin: 0; padding: 0; box-sizing: border-box;

  --textcolor: #121212;
  --bgcolor: #eee;
  --highlight: blue;
  --outlink: "\2197";
  
}
@media (prefers-color-scheme: dark) {
    * { 
        --textcolor: #dadada;
        --bgcolor: #222;
        --highlight: darkorange;
    }

  }
body {
    font-size: 18px;
    font-family: system-ui, sans-serif;
    line-height: 1.5;
    color: var(--textcolor);
    background: var(--bgcolor);
    padding: 5vh 0 7vh 0;
    position: relative;
    margin: 0 auto;
    max-width: 90vw;
    min-height: 100vh;
}
h1 {
    font-size: 3em;
    font-weight: bold;

}
h2, h3 {
    font-size: 1.5em;
    font-weight: bold;
    margin-top: .5%;
    margin-bottom: 0%;
}
small{
    font-size: .8em;
}
a{
    text-decoration: none;
    color: var(--highlight);
}

a:hover {
    border-bottom: 2px solid;
}

/* Inline footnotes */

label {
    padding-left: 0;
    cursor: pointer;
    vertical-align: super;
    line-height: .9;
    font-size: .8em;
  }
  
  label:hover {
    color: var(--highlight);
  }
  
  label + input,
  label + input + small {
    display: none;
  }
  input:checked + small {
    display: block;
    padding: .8em 0 1em 2.5vw;;
  }

ul {
    list-style: none;
    font-weight: bold;
}
/* nav ul li, footer ul li {
    display: inline;
    margin-right: 2.5%;
} */

/* ------- Header / Footer ------- */

header {
    display: flex;
    flex-wrap: wrap;
  }
  
  header h1 {
    font-size: 1em;
    flex: 1; /* pushes nav to the right */
    white-space: nowrap;
  }
  
  nav a:not(:last-of-type) {
    margin-right: 1.5vw;
  }

footer {
    position: absolute;
    bottom: 0;
    border-top: 2px solid;
    font-size: .9em;
    width: 100%;
}

footer ul li {
    display: inline;
    margin-right: 1.5vw;
}

img {
    border: 2px solid;
    width: 100%;
    height: auto;
}

.grid_layout {
    padding-top: 1vh;
    margin-bottom: 5vh;
    column-count:          2;
    column-gap:           1.5em;
}

.grid_layout figure{
    width: 100%;
    height: auto;
    padding-bottom: 1em;
    
}
.grid_layout figcaption {
    /* position:sticky; */
    font-size: 1em;
    line-height: 1em;
}

/* External links */

a:after { 
    font-weight: bold;
    font-size: .85em;
    color: var(--textcolor);
    opacity: .25;
}

/* email icon */
a[href*="mailto"]:after {
    font-size: 1em;
    content: "@"; 
}
/* outlink icon */
a[href*="//"]:after {
    content: "\2197"; /* top right arrow: ↗ */
}
/* download icon */
a[id="file"]:after {
    content: "\2193";
}
a:hover:after {
    color: var(--highlight);
    opacity: 1;
}

/* File links */

a:before { 
    /* font-size: .7em; */
    font-weight: bold;
    margin-right: .5em;
}

a[href$=".pdf"]:before { content: ".pdf"; }
a[href$=".txt"]:before { content: "TXT"; }
a[href$=".mp3"]:before { content: "MP3"; }
a[href$=".zip"]:before { content: "ZIP"; }
a[href$=".rar"]:before { content: "RAR"; }
a[href$=".jpeg"]:before,
a[href$=".jpg"]:before,
a[href$=".gif"]:before,
a[href$=".png"]:before { content: "IMG"; }

@media only screen and (min-width: 775px) {
  /* Rules for tablets and bigger viewports */
    body {
        width: 90vw;
    }
}

@media only screen and (min-width: 900px) {
  /* Rules for laptops, small desktop screens and bigger viewports */
    body {
    	width: 70vw;
    }
    .grid_layout {
        column-count: 2;
    }
}