:root {
  --page-tint: #8a8fc9;
  --panel: #e4e9f9;
  --panel-deep: #4a4e8f;
  --panel-strong: #736eae;
  --ink: #2b2b45;
  --ink-soft: #4a4a6a;
  --accent: #5a4fcf;
  --accent-bright: #9753e4;
  --line: #8a8fc9;
  --card: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  background-image: url('blue-mount.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: var(--ink);
  font-family: Verdana, sans-serif;
  margin: 0;
}


#container {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
  background-image: url('snow02.gif');
  background-color: var(--page-tint);
  border: 1px solid var(--panel-deep);
  box-shadow: 0 0 24px rgba(43, 43, 69, 0.35);
}

#headerArea {
  background: linear-gradient(135deg, var(--panel-deep), var(--panel-strong));
  border: 1px solid var(--line);
  padding: 10px;
  margin-bottom: 10px;
}

#header h1 {
  margin: 0 0 10px 0;
  text-align: center;
  color: #ffffff;
  letter-spacing: 2px;
  text-shadow: 0 2px 6px rgba(43, 43, 69, 0.5);
}

#leftSidebar {
  background-color: var(--panel);
  border: 1px solid var(--line);
  padding: 10px;
  width: 200px;
  margin-right: 10px;
  order: 1;
}

#rightSidebar {
  background-color: var(--panel);
  border: 1px solid var(--line);
  padding: 10px;
  width: 200px;
  margin-left: 10px;
  order: 3;
}

main {
  background-color: var(--card);
  border: 1px solid var(--line);
  padding: 10px;
  flex: 1;
  order: 2;
}

#footer {
  background-color: var(--panel);
  border: 1px solid var(--line);
  padding: 10px;
  margin-top: 10px;
  text-align: center;
  color: var(--ink-soft);
}


#navbar {
  background-color: var(--card);
  border: 1px solid var(--line);
  padding: 10px;
}

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

#navbar li a {
  color: var(--accent);
  font-weight: 800;
  text-decoration: none;
}

#navbar li a:hover {
  color: var(--accent-bright);
  text-decoration: underline;
}


#flex {
  display: flex;
}

.box {
  background-color: var(--card);
  border: 1px solid var(--line);
  padding: 10px;
}

#style-selector {
  width: 100%;
}

h1, h2, h3 {
  color: var(--panel-deep);
}

a {
  color: var(--accent);
}

a:hover {
  color: var(--accent-bright);
}

img {
  max-width: 100%;
}

.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.buttonGrow {
  transition: transform 0.3s ease, z-index 0s ease;
  position: relative;
}

.buttonGrow:hover {
  transform: scale(1.1);
  z-index: 10;
}

@media only screen and (max-width: 800px) {
  #flex {
    flex-wrap: wrap;
  }
  main {
    order: 1;
  }
  #leftSidebar {
    order: 2;
    width: 100%;
    margin-right: 0;
    margin-bottom: 10px;
  }
  #rightSidebar {
    order: 3;
    width: 100%;
    margin-left: 0;
  }
  #navbar ul {
    flex-wrap: wrap;
  }
}