html, body {
    background-color: #ffffff;
    color: #000000;
    font-family: Arial, sans-serif;
    font-weight: 400;
    font-size:16px;
    height: 100vh;
    margin: 0;
}
.hidden{

  display: none;

}
.f-16{
  font-size: 24px;
}
.ml-10{

  margin-left: 10px;

}
hr {
  margin-top: 1rem;
  margin-bottom: 1rem;
  border: 0;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}
.full-height {
    height: 100vh;
}


.flex-center {
    align-items: center;
    display: flex;
    justify-content: center;
}

.position-ref {
    position: relative;
}

.top-right {
    position: absolute;
    right: 10px;
    top: 18px;
}

.content {
    text-align: center;
}

.big-title {
    font-size: 84px;
}

.links > a {
    color: #636b6f;
    padding: 0 25px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .1rem;
    text-decoration: none;
    text-transform: uppercase;
}

.m-b-md {
    margin-bottom: 30px;
}


.feather {
  width: 16px;
  height: 16px;
  vertical-align: text-bottom;
}

/*
 * Sidebar
 */
 .title{
   color:white;
   font-size: .875rem;
 }

.sidebar {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100; /* Behind the navbar */
  margin-top: 40px;
  box-shadow: inset -1px 0 0 rgba(0, 0, 0, .1);
}

.sidebar-sticky {
  position: relative;
  top: 0;
  height: calc(100vh - 48px);
  padding-top: .5rem;
  overflow-x: hidden;
  overflow-y: auto; /* Scrollable contents if viewport is shorter than content. */
}

@supports ((position: -webkit-sticky) or (position: sticky)) {
  .sidebar-sticky {
    position: -webkit-sticky;
    position: sticky;
  }
}

.sidebar .nav-link {
  font-weight: 500;
  color: #333;
}

.sidebar .nav-link .feather {
  margin-right: 4px;
  color: #999;
}

.sidebar .nav-link.active {
  color: #007bff;
}

.sidebar .nav-link:hover .feather,
.sidebar .nav-link.active .feather {
  color: inherit;
}

.sidebar-heading {
  font-size: .75rem;
  text-transform: uppercase;
}

/*
 * Content
 */


[role="main"] {
  margin-top: 60px;
}


/*
 * Navbar
 */

.navbar {

  background-color: rgba(255, 255, 255, .75);
  box-shadow: 0 8px 6px -6px rgba(0, 0, 0, .30);
}

.navbar .form-control {
  padding: .75rem 1rem;
  border-width: 0;
  border-radius: 0;
}

.form-control-dark {
  color: #fff;
  background-color: rgba(255, 255, 255, .1);
  border-color: rgba(255, 255, 255, .1);
}

.form-control-dark:focus {
  border-color: transparent;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, .25);
}
.bd-placeholder-img {
        font-size: 1.125rem;
        text-anchor: middle;
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
      }



      @media (min-width: 768px) {
        .bd-placeholder-img-lg {
          font-size: 3.5rem;
        }
      }