body {
  background: #000000 url('../img/gold.jpg') no-repeat center center fixed;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  background-size: cover;
  -o-background-size: cover;
}

nav.navbar-dark li a.nav-link.btn {
  margin-left: 0.4em;
  margin-bottom: 0.1em;
}

nav.navbar-dark .navbar-brand {
  font-weight: 900;
  background-color: rgb(0, 0, 0);
  background-color: rgba(0, 0, 0, 0.2);
  background: linear-gradient(to right, #FFD700, #FFFFDA , #999900, #ff9900, #FFDD99);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: rainbow_animation 6s ease-in-out infinite;
  background-size: 400% 100%;
}

@keyframes rainbow_animation {
  0%,100% {
      background-position: 0 0;
  }

  50% {
      background-position: 100% 0;
  }
}

.overlay, #overlay {
	display:none;
	position:fixed;
	overflow:auto;
	z-index:99;
  height: 100%;
  width: 100%;
  position: fixed;
  z-index: 1;
  left: 0;
  top: 0;
  background-color: rgb(0,0,0);
  background-color: rgba(0,0,0, 0.9);
  overflow-x: hidden;
  transition: 0.1s;
  }