:root {
  --bg: #fbfdff;
  --headerbg: transparent;
  --navbg: transparent;
  --mainbg: transparent;
  --footerbg: transparent;
  --navlink: #56473d;
  --navborder: #56473d;
}

/*** GENERAL ***/

* {
  box-sizing: border-box;
}

body, div, header, footer, main, h1, h2, h3, h4, h5, h6, img, p {
  margin: 0;
  padding: 0;
}

html {
  min-height: 100%;
}

body {
  background: var(--bg);
  min-height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  font-size: 12pt;
  line-height: 1.6;
  padding: 1.5rem;
  word-wrap: break-word;
}

a {
  color: #3a6eb1;
  text-decoration: none;
}

a:active, a:hover {
  color: #71acf8;
  outline: 0;
}

ul {
  padding-left: 20px;
}

/*** HEADER ***/

header {
  max-width: 920px;
  width: auto;
  margin: auto;
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  /* padding: 15px; */
  background: var(--headerbg);
  gap: 5px;
}

header img {
  /* flex: 1; */
  max-width: 200px;
}

header h1 {
  text-align: center;
}

header h2 {
  font-size: medium;
  text-align: center;
}

header p {
  margin: 0;
  text-align: center;
}

header div.icons {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

header div.icons a {
  font-size: x-large;
}

header div.icons a[title] {
  position: relative;
}

header div.icons a:hover[title]::after {
  content: attr(title);
  display: inline-block;
  padding: 0.2em 0.6em;
  white-space: nowrap;
  background-color: #555;
  color: #fff;
  font-style: normal;
  font-family: sans-serif;
  font-size: 0.8em;
  position: absolute;
  top: 170%;
  left: 50%;
  transform: translate(-50%, -1em);
  z-index: 1;
}

/*** NAV ***/

nav {
  max-width: 920px;
  width: auto;
  margin: auto;
  padding: 15px;
  background: var(--navbg);
  border-bottom: 1px solid var(--navborder);
  padding-bottom: 30px;
}

nav ul {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  margin: 0;
  padding: 0;
  gap: 15px;
}

nav ul li {
  list-style-type: none;
}

nav ul li a {
  font-size: large;
  color: var(--navlink);
  border-bottom: 3px dotted var(--navlink);
  padding-bottom: 0.2em;
  margin: 0.3em;
}

nav ul li a:hover {
  color: var(--navlink);
  border-bottom: 3px solid var(--navlink);
}

/*** MAIN ***/

main {
  width: auto;
  margin: auto;
  max-width: 920px;
  background: var(--mainbg);
  /* padding: 15px; */
  padding-top: 30px;
}

main p {
  margin-bottom: 6px;
}

main h1, main h2 {
  margin: 15px 0;
}

main h3, main h4, main h5, main h6 {
  margin-bottom: 6px;
}

/*** FOOTER ***/

footer {
  width: auto;
  margin: auto;
  max-width: 920px;
  background: var(--footerbg);
  /* padding: 15px; */
  padding-top: 30px;
  border-top: 1px solid var(--navborder);
}

/* KBD (keyboard) */

kbd {
  background-color: #eee;
  border-radius: 3px;
  border: 1px solid #b4b4b4;
  box-shadow:
    0 1px 1px rgba(0, 0, 0, 0.2),
    0 2px 0 0 rgba(255, 255, 255, 0.7) inset;
  color: #333;
  display: inline-block;
  font-size: 0.85em;
  font-weight: 700;
  line-height: 1;
  padding: 2px 4px;
  white-space: nowrap;
}

/* ALERTS */

div.tip {
  border-left: 4px solid rgb(48, 148, 48);
  padding-left: 10px;
}

div.tip > div.title p {
  color: rgb(48, 148, 48);
  font-weight: bold;
}

div.tip > div.title p::before {
  font-family: "Font Awesome 6 Free";
  content: '\f0eb';
  margin-right: 4px;
}

div.important {
  border-left: 4px solid rgb(115, 32, 136);
  padding-left: 10px;
}

div.important > div.title p {
  color: rgb(115, 32, 136);
  font-weight: bold;
}

div.important > div.title p::before {
  font-family: "Font Awesome 6 Free";
  content: '\f27a';
  margin-right: 4px;
}

div.warning {
  border-left: 4px solid rgb(233, 170, 46);
  padding-left: 10px;
}

div.warning > div.title p {
  color: rgb(233, 170, 46);
  font-weight: bold;
}

div.warning > div.title p::before {
  font-family: "Font Awesome 6 Free";
  content: '\f071';
  margin-right: 4px;
}

div.caution {
  border-left: 4px solid rgb(233, 46, 83);
  padding-left: 10px;
}

div.caution > div.title p {
  color: rgb(233, 46, 83);
  font-weight: bold;
}

div.caution > div.title p::before {
  font-family: "Font Awesome 6 Free";
  content: '\f06a';
  margin-right: 4px;
}

div.note {
  border-left: 4px solid rgb(46, 93, 233);
  padding-left: 10px;
}

div.note > div.title p {
  color: rgb(46, 93, 233);
  font-weight: bold;
}

div.note > div.title p::before {
  font-family: "Font Awesome 6 Free";
  content: '\f05a';
  margin-right: 4px;
}

/* CLASSES */

.round-image {
    border-radius: 50%;
    object-fit: cover;
}

section.paper {
  border-left: 4px solid rgb(102, 102, 110);
  padding-left: 10px;
  margin-bottom: 10px;
}

section.paper h3 {
  margin: 0;
}

section.paper p {
  color: rgb(136, 136, 136);
  margin: 0;
}

div.files {
  display: flex;
  justify-content: flex-start;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 5px 0;
}

div.files a {
  border-radius: 5px;
  padding: 4px;
  margin-right: 5px;
  background: #e5e7e8;
  color: #343d44;
  font-size: small;
}

div.files a:hover {
  background: #91c3ea;
  text-decoration: none;
}

span.lastupdate {
  color: #9e9d9d;
}

@media screen and (min-width: 1000px) {
  header.split {
    flex-direction: row;
    gap: 2em;
  }

  header.split h1, header.split h2, header.split p {
    text-align: left;
  }

  header div.icons {
    justify-content: left;
  }
}