.fade-in {
  animation: fadeIn ease 0.5s;
  -webkit-animation: fadeIn ease 0.5s;
  -moz-animation: fadeIn ease 0.5s;
  -o-animation: fadeIn ease 0.5s;
  -ms-animation: fadeIn ease 0.5s;
  -webkit-animation-fill-mode: forwards;
          animation-fill-mode: forwards;
}

@keyframes fadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
@-webkit-keyframes fadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
.fade-out {
  animation: fadeOut ease 0.5s;
  -webkit-animation: fadeOut ease 0.5s;
  -moz-animation: fadeOut ease 0.5s;
  -o-animation: fadeOut ease 0.5s;
  -ms-animation: fadeOut ease 0.5s;
  -webkit-animation-fill-mode: forwards;
          animation-fill-mode: forwards;
}

@keyframes fadeOut {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}
@-webkit-keyframes fadeOut {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}
#shadowRoom,
#content {
  position: relative;
}

.room_wrapper {
  background-color: white;
}

nav {
  z-index: 3;
}

#content {
  z-index: 2;
}

.room_data {
  display: none;
}

.b-example-divider {
  position: relative;
  z-index: 4;
  height: 3rem;
  background-color: rgba(0, 0, 0, 0.1);
  border: solid rgba(0, 0, 0, 0.15);
  border-width: 1px 0;
  box-shadow: inset 0 0.5em 1.5em rgba(0, 0, 0, 0.1), inset 0 0.125em 0.5em rgba(0, 0, 0, 0.15);
}

.bi {
  vertical-align: -0.125em;
  fill: currentColor;
}

.footerblock {
  position: relative;
  height: 60px;
  z-index: 4;
}

html {
  height: 100%;
}

body {
  margin: 0;
  padding: 0;
  height: 100%;
}

.main-body {
  display: grid;
  /* let content auto to occupy remaining height and pass value in fit-content with min-height for header and footer */
  grid-template-rows: fit-content(8rem) auto fit-content(8rem);
  grid-template-areas: "heading" "main" "footer";
}

.main-header {
  background-color: white;
  grid-area: heading;
}

.main-content {
  grid-area: main;
  background-color: white;
}

.main-footer {
  background-color: white;
  grid-area: footer;
}