:root {
  /* From colormind.io came 2 light and 2 dark colours based on the main blue:
      #EBE5DB #6EB8D8 #7A6F61 #1B1E24 */
  /* 754A4D 8A8CCD 2A5BAA 9393B4 E5B679 dp not use blue*/
  --color-highlight: #ebe5db;
  --color-branding: #0455bf;
  --color-branding-hover: #6eb8d8;
  --color-branding-light: #e6f1fe;
  --color-text: #1b1e24;

  --color-fill-1: #f6f3ef; /* Use this colour for dark-on-light designs or for text colour for inverted design */
  --color-fill-2: #6eb8d8; /* not used - Light accent colour to bring attention to deign elements by contrasting with the rest of the palette */
  --color-fill-3: #7a6f61; /* Dark accent colour */
  --color-fill-4: rgba(235, 224, 224, 0.5); /* Very light aubergine colour */
  --color-fill-5: #754a4d; /* not used - Dark aubergine colour */
  --color-fill-6: #4e3133; /* not used - Very dark aubergine colour */
  --color-fill-7: #1b1e24; /* not used - Very dark shade for dark on-on-light design */

  /* grays */
  --color-fill-11: #b4b9ce; /* Use this colour for dark-on-light designs or for text colour for inverted design */
  --color-fill-12: #718094; /* Light accent colour to bring attention to deign elements by contrasting with the rest of the palette */
  --color-fill-13: #39485c; /* Dark accent colour */
  --color-fill-14: #202d3d; /* Dark shade for dark on-on-light design */
  --color-fill-15: rgba(32, 45, 61, 0.2);
  --color-fill-16: rgba(163, 178, 172, 0.1);
}
/* Here the screen is mobile size */
* {
  box-sizing: border-box;
}
body,
html {
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  background-color: var(--color-fill-1);
  /* background-color: red; */
  margin: auto;
}

main {
  padding: 10px;
}
.centred {
  text-align: center;
}
.bold {
  font-size: 1.2em;
}
#onecol {
  padding: 10px;
}

a:link,
a:visited {
  color: #333;
}

nav {
  display: flex;
  font-style: oblique;
}
nav ul,
aside ul {
  list-style: none;
  padding: 0;
}

nav a:link {
  /* background-color: var(--color-branding-light); */
  /* border: 2px solid rgb(79, 185, 227); */
  text-decoration: none;
  display: block;
  padding: 10px;
  /* color: #333; */
  color: var(--color-fill-6);
  font-weight: bold;
}

nav a:hover {
  background-color: var(--color-fill-6);
  color: var(--color-fill-1);
}

nav a:active {
  color: #fff;
  background-color: #024;
  text-decoration: underline;
}

nav > ul li ul {
  display: none;
}
nav > ul li:hover ul {
  display: block;
}
/* Style the search box inside the navigation bar */
.topnav input[type='text'] {
  justify-content: right;
  padding: 6px;
  border: none;
  margin-top: 8px;
  margin-right: 16px;
  font-size: 17px;
}

img {
  max-width: 100%;
  height: auto;
}
.visuallyhidden {
  display: none;
}
.bookCover {
  animation: 0.5s linear 0s 1 alternate sweep-in;
  /* border: 1px solid black; */
  /* flex: 2; */
}

@keyframes sweep-in {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(0);
  }
}

.related {
  /* background-color: var(--color-branding-light);
  border: 1px solid rgb(79, 185, 227); */
  padding: 10px;
}

.sidebar {
  background-color: var(--color-fill-4);
  padding: 10px;
}

article {
  /* width: 0.6vw; */
  margin-bottom: 1em;
}

#about {
  padding: 30px;
}
#aboutImage {
  padding-top: 60px;
}

#videotext {
  position: relative;
  /* text-align: center; */
  /* color: white; */
}

#overlay {
  background-color: rgba(0, 0, 0, 0.2);
  width: 100%;
  height: 100%;
  position: absolute;
  /* text-align: cent?er; */
  z-index: 100;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

#latestVideo,
#howTo {
  /* background-color: var(--color-highlight); */
  /* border: 1px solid gray; */
  /* padding: 30px 50px 20px 20px; */
  padding: 10px;
  font-size: 0.9em;
}
/* #howTo {
  background-color: var(--color-fill-4);
} */

video {
  width: 100%;
  height: auto;
}

ol {
  border: 1px solid var(--color-fill-13);
  padding-top: 10px;
  padding-bottom: 15px;
}

/* footer {
  /* display: grid;
  grid-template-columns: 1fr 1fr 1fr; */
/* column-gap: 20px; */
/* font-size: 0.9em;
  background-image: url(images/no-dimensions-or-ratio.png);
  background-repeat: no-repeat; */
/* background-size: auto auto; 
} */
.mainFooter {
  padding: 20px 30px;
  background-color: var(--color-fill-16);
  border-top: 1px solid #ccc;
  font-size: 0.9em;
}
.copyright {
  text-align: left;
}
.footerIcons {
  /* padding-left: 25px; */
  text-align: left;
}
.fa {
  margin: 8px;
}

/* Here the screen is iPad size */
@media screen and (min-width: 40em) {
  article {
    display: grid;
    grid-template-columns: 2fr 2fr;
    column-gap: 20px;
  }

  .content {
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
  }

  nav ul {
    display: flex;
  }

  nav li {
    flex: 1;
  }

  video,
  #videotext {
    width: 200%;
  }

  #videotext {
    margin: 1em;
  }

  footer {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
  }
  .copyright {
    text-align: center;
  }
}

@media screen and (min-width: 55em) {
}

/* Here the screen is desktop size */
@media screen and (min-width: 70em) {
  main {
    display: grid;
    grid-template-columns: 2fr 1fr;
    column-gap: 20px;
  }

  #onecol {
    display: inline-block;
    /* padding: 40px; */
    /* background-image: url(images/ochre.jpg);
    background-repeat: no-repeat; */
  }

  article {
    margin-bottom: 0;
  }

  .mainFooter {
    margin-top: 2em;
  }

  .footerIcons {
    text-align: right;
  }
}