:root {
  --header-image: url('images/stem banner.gif');
  --body-bg-image: url('https://i.pinimg.com/736x/a8/ed/45/a8ed45b8d936ac7c7db3d8d1f9f7f17b.jpg');
  --content: #D98F78;
}

@font-face {
  font-family: Schoolbell-Regular;
  src: url('https://avidiscent.neocities.org/Schoolbell-Regular.ttf') format('truetype');
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Schoolbell-Regular', sans-serif;
  margin: 0;
  background-color: #FFFFFF;
  background-image: var(--body-bg-image);
  background-repeat: no-repeat;
  background-size: cover;
  background-attachment: fixed;
  color: #333333;
}

#container {
  max-width: 900px;
  margin: 0 auto;
}

#container a {
  color: #E2D2BD;
  font-weight: bold;
}

#header {
  width: 100%;
  background-color: #5e4e8c;
  height: 150px;
  background-image: var(--header-image);
  background-size: 100%;
}

#navbar {
  height: 40px;
  background-color: #B5A5C4;
  width: 100%;
}

#navbar ul {
  display: flex;
  padding: 0;
  margin: 0;
  list-style-type: none;
  justify-content: space-evenly;
}

#navbar li {
  padding-top: 10px;
}

#navbar li a {
  color: #FFFFFF;
  font-weight: 800;
  text-decoration: none;
}

#navbar li a:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

#flex {
  display: flex;
}

aside {
  background-color: #241445;
  width: 200px;
  padding: 20px;
  font-size: smaller;
}

main {
  background-color: #D1D8C3;
  flex: 1;
  padding: 20px;
  order: 2;
}

#leftSidebar {
  order: 1;
}

#rightSidebar {
  order: 3;
}

footer {
  background-color: #8390B3;
  width: 100%;
  height: 40px;
  padding: 10px;
  text-align: center;
}

h1, h2, h3 {
  color: #FFFFFF;
}

h1 {
  font-size: 25px;
}

strong {
  color: #FFFFFF;
}

.box {
  background-color: #D98F78;
  border: 1px solid #FFFFFF;
  padding: 10px;
}

#topBar {
  width: 100%;
  height: 30px;
  padding: 10px;
  font-size: smaller;
  background-color: #D98F78;
}

@media only screen and (max-width: 800px) {
  #flex {
    flex-wrap: wrap;
  }

  aside {
    width: 100%;
  }

  main {
    order: 1;
  }

  #leftSidebar {
    order: 2;
  }

  #rightSidebar {
    order: 3;
  }

  #navbar ul {
    flex-wrap: wrap;
  }
}