html {
  box-sizing: border-box;
}

*, *::before, *::after {
  box-sizing: inherit;
}

body {
	background-color: #f7f7f7;
	margin: 10px 0;
  font-family: "Open Sans", Helvetica, sans-serif;
  font-size: 16px;
}

site-container {
  width: 1200px;
  padding: 10px;
  margin: 0 auto;
  display: -ms-grid;
  display: grid;
  grid-template-columns: 400px 1fr;
  grid-template-rows: 160px 1fr 40px;
  grid-gap: 10px;
  -ms-grid-columns: 400px 10px 1fr;
  -ms-grid-rows: 160px 10px 1fr 10px 40px;
  min-height: calc(100vh - 20px);
  background: #fff;
  border: 1px solid #bbb;
  border-radius: 5px;
}

nav {
  position: relative;
  display: block;
  grid-row: 1;
  grid-column: 1 / 3;
  -ms-grid-row: 1;
  -ms-grid-column: 1;
  -ms-grid-column-span: 4;
}

nav img {
  display: block;
  float: left;
  height: 160px;
  cursor: pointer;
}

nav #main-menu > a {
  display: block;
  float: left;
  text-align: left;
  width: 141.1px;
  height: 160px;
  margin-left: 5px;
  position: relative;
  text-decoration: none;
  font-size: 17px;
}

nav #main-menu > a:hover {
  box-shadow: inset 4px 4px 8px rgba(0, 0, 0, 0.5);
  text-shadow: 0 0 6px rgba(0, 0, 0, 0.5);
  cursor: pointer;
}

nav #main-menu > a span {
  position: absolute;
  left: 5px;
  bottom: 5px;
  color: #fff;
  font-weight: bold;
}

aside {
  display: block;
  grid-row: 2;
  grid-column: 1;
  -ms-grid-row: 3;
  -ms-grid-column: 1;
  background-repeat: no-repeat;
  background-size: 100% auto;
}

aside.index {
  background: #eee;
}

aside.index strong {
  display: block;
  width: 100%;
  padding: 5px 8px;
  background: #666;
  color: #fff;
}

aside.index p {
  padding-left: 10px;
}

aside .side-image img {
  z-index: 2;
  display: block;
  width: 100%;
  height: auto;
  box-shadow: 0 2px 2px rgba(0, 0, 0, 0.6);
}

main {
  display: block;
  grid-row: 2;
  grid-column: 2;
  -ms-grid-row: 3;
  -ms-grid-column: 3;
  min-height: 300px;
}

main.full {
  display: block;
  grid-row: 2;
  grid-column: 1 / 3;
  -ms-grid-row: 3;
  -ms-grid-column: 1;
  -ms-grid-column-span: 4;
}

footer-bar {
  display: block;
  grid-row: 3;
  grid-column: 1 / 3;
  -ms-grid-row: 5;
  -ms-grid-column: 1;
  -ms-grid-column-span: 4;
  background: #666;
	color: #f7f7f7;
	font-family: Helvetica, sans-serif;
  padding: 0 10px;
  line-height: 40px;
}

footer-bar a {
  color: #f7f7f7;
}

#right-foot {
  float: right;
}

#sub-menu {
  position: absolute;
  left: -2000px;
  top: 161px;
  z-index: 2;
  background: #f00;
  color: #fff;
  width: 180px;
  transition: all 0.5s ease;
  font-size: 15px;
}

#sub-menu a {
  display: block;
  width: 100%;
  padding: 3px 6px;
  color: #fff;
  text-decoration: none;
  border-bottom: 1px solid #fff;
}

#sub-menu a:hover {
  background-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3));
}

#hamburger-menu {
  display: none;
  position: fixed;
  top: 4px;
  left: 4px;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.7);
  z-index: 10;
  box-shadow: 0 2px 2px rgba(0, 0, 0, 0.5);
}

#hamburger-menu img {
  width: 100%;
  height: 100%;
  cursor: pointer;
}

#mobile-menu,
#mobile-menu-back {
  display: none;
}

#mobile-menu-back {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  background: rgba(0, 0, 0, 0.2);
}

#mobile-sub-menu {
  display: none;
}

h1 {
  margin-top: 0;
  font-size: 35px;
  font-weight: 300;
}

h2 {
  color: #080;
  font-size: 25px;
  font-weight: normal;
}

h3 {
  font-size: 23px;
  font-weight: normal;
}

blockquote {
  margin: 15px 0;
  border: 1px solid #666;
  padding: 10px;
  border-left: 8px solid #666;
}

footer::before {
  content: "-";
}

footer {
  font-style: italic;
  text-align: right;
}

img#terry-img {
  display: block;
  margin: 0 auto;
}

form-field {
  display: block;
  margin-bottom: 5px;
}

form-field label {
  vertical-align: top;
  display: inline-block;
  width: 130px;
}

@media (max-width: 1200px) {
  site-container {
    width: 789px;
    margin: 0 auto;
    grid-template-columns: 242px 1fr;
    grid-template-rows: 130px 1fr 40px;
    -ms-grid-columns: 242px 10px 1fr;
    -ms-grid-rows: 130px 10px 1fr 10px 40px;
    background: #fff;
    border: 1px solid #bbb;
    border-radius: 5px;
  }
  
  main {
    padding: 10px;
  }

  nav img {
    display: block;
    float: left;
    height: 130px;
    cursor: pointer;
  }

  nav #main-menu > a {
    display: block;
    float: left;
    text-align: left;
    width: 82.4px;
    height: 130px;
    margin-left: 5px;
    position: relative;
    font-size: 15px;
  }

  nav #main-menu > a span {
    position: absolute;
    top: 16px;
    left: 27px;
    width: 130px;
    height: 82.4px;
    transform: rotate(-90deg);
  }

  #sub-menu {
    top: 131px;
    width: 150px;
    font-size: 14px;
  }

  h1 {
    font-size: 30px;
  }
}

@media (max-width: 786px) {
  body {
    margin: 0;
  }

  site-container {
    border-radius: 0;
    border: none;
    padding: 0;
    width: 100%;
    display: block;
    min-height: 100vh;
  }

  aside.optional {
    display: none;
  }

  #main-menu {
    display: none;
  }

  #hamburger-menu,
  #mobile-menu {
    display: block;
  }

  #mobile-menu {
    position: fixed;
    top: 0;
    left: -241px;
    width: 182px;
    transition: all 0.5s ease;
    z-index: 9;
    box-shadow: none;
  }

  #mobile-menu.popped {
    left: 0px;
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.4);
  }

  #mobile-menu a {
    display: block;
    width: 100%;
    height: calc(100vh / 6);
    line-height: calc(100vh / 6);
    text-decoration: none;
    font-weight: bold;
    color: #fff;
    font-size: 16px;
    padding-left: 50px;
    z-index: 9;
  }

  #mobile-sub-menu {
    display: block;
    position: fixed;
    top: -500px;
    left: 183px;
    width: calc(100% - 183px);
    max-width: 200px;
    height: auto;
    transition: all 0.5s ease;
    z-index: 9;
    box-shadow: 0 2px 2px rgba(0, 0, 0, 0.5);
  }

  #mobile-sub-menu a {
    display: block;
    width: 100%;
    text-decoration: none;
    color: #fff;
    padding: 5px;
  }

  nav img {
    float: none;
    display: block;
    margin: 0 auto;
    width: 100%;
    height: auto;
  }
}