main {
  margin-top: var(--headerHeight);
  position: relative;
}
#section4 {
  margin-top: calc(var(--headerHeight) * -0.5);
}

/* Menu bar */

#sideNav {
  position: fixed;
  display: block;
  z-index: 3;
  top: calc(var(--headerHeight));
  background-color: var(--greyD);
  color: var(--grey3);
  /*width: calc(25% - 2 * var(--genericGap));*/
  height: 500vh;
  transition: 0.7s;
  padding: var(--genericGap);
}
#sideNav * {
  cursor: pointer;
}
#sideNav .category {
  font-size: 20px;
  margin-bottom: 20px;
  margin-top: 20px;
  font-weight: 500;
}
#sideNav .sideNavBlock {
  margin-bottom: 20px;
  -webkit-column-break-inside: avoid;
  page-break-inside: avoid;
  break-inside: avoid;
  font-weight: 500;
}
#sideNav a {
  display: block;
  margin: 4px 0; 
}
#sideNav a:hover {
  color: var(--colour3);
}

.pageTitle {
  /*padding: 40px;*/
  display: block;
  text-align: center;
  font-family: var(--heading-font)
  font-size: 40px;
}

.pageDescription {
  margin: 10px auto 25px auto;
  display: block;
  text-align: center;
  max-width: 1400px;
}

#welcome {
  text-align: center;
  /*max-width: 1400px;*/
  
  background-color: #f2f2f2;
  padding: 40px;
  /*display: none;*/
  margin: calc(var(--genericGap) * 4) 0;
}
#welcomeText {
  max-width: 1100px;
  margin: 0 auto;
}
#welcome h2 {
  margin-bottom: 30px;
}

.homeBlockBigText {
  color: green;
}
.homeBlockSimple {
  text-align: center;
}