body {
  height: 100vh;
}
/* Center the loader */
#loader {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 9999;
  width: 150px;
  height: 150px;
  margin: -75px 0 0 -75px;
  border: 16px solid #f3f3f3e3;
  border-radius: 50%;
  border-top: 16px solid #e77124;
  width: 120px;
  height: 120px;
  -webkit-animation: spin 2s linear infinite;
  animation: spin 2s linear infinite;
}

@-webkit-keyframes spin {
  0% {
    -webkit-transform: rotate(0deg);
  }

  100% {
    -webkit-transform: rotate(360deg);
  }
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

/** panel-section */

#leftNavSection {
  background-color: #eeeeee;
  padding: 20px;
}

.container-fluid.panel-section ul {
  margin-top: 55px;
}

.container-fluid.panel-section div, 
.container-fluid.panel-section {
  height: 100vh;
}

#mainSection{
  margin-top: 3%;
}

/* Sidebar navigation */
.nav-sidebar {
  margin-right: -21px; /* 20px padding + 1px border */
  margin-bottom: 20px;
  margin-left: -20px;
}
.nav-sidebar > li > a {
  padding-right: 20px;
  padding-left: 20px;
}
.nav-sidebar > .active > a,
.nav-sidebar > .active > a:hover,
.nav-sidebar > .active > a:focus {
  color: #fff;
  background-color: #428bca;
}