html, body {
  height: 100vh;
  margin: 0;
  padding: 0;
}

body {
  display: grid;
  grid-template-rows: auto 1fr;
  grid-template-columns: minmax(200px, 0.17fr) 1fr;
  grid-gap: 0;
}
body.hidden-aside {
  grid-template-columns: 0 auto;
}
body.hidden-aside aside {
  transform: translateX(-100%);
  opacity: 0;
}
body aside {
  position: relative;
  height: inherit;
  background-color: #f9f9f9;
  border-right: 1px solid #ddd;
  overflow-y: auto;
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform: translateX(0);
  display: flex;
  -ms-flex-direction: inherit;
  -webkit-flex-direction: inherit;
  flex-direction: column;
}
body aside > ul.nav {
  flex-grow: 1;
}
body aside > ul.nav > li.nav-item:first-of-type > a {
  border-bottom: 1px solid #ddd;
}
body aside > ul.nav > li.nav-item:not(:first-of-type) {
  border-bottom: 1px solid #ddd;
}
body aside > ul.nav > li.nav-item:not(:first-of-type) > a:not(.collapsed) {
  background-color: #f1f1f1;
}
body aside > ul.nav > li.nav-item > ul {
  padding: 0.625rem 0.625rem 0.625rem 0;
  border-top: 1px solid #ddd;
}
body aside > ul.nav > li.nav-item a {
  display: block;
  padding: 0.438rem 0.781rem;
  color: #333;
  text-decoration: none;
  cursor: pointer;
}
body aside > ul.nav > li.nav-item a:hover {
  background-color: #f0f0f0;
}
body aside footer {
  padding: 0.781rem;
  text-align: center;
  border-top: 1px solid #ddd;
}
body main {
  background-color: #ffffff;
}
body main > header {
  border-bottom: 1px solid #ddd;
  padding: 0.313rem 0.781rem;
}
body main > header .logo img {
  position: relative;
  top: -2px;
}
body main > div.container-fluid {
  padding: 0.781rem;
}