.header {
  height: 70px;
  position: fixed;
  z-index: 2;
  background: rgba(0, 0, 0, 0.5);
  
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}

.navbar {
  position: fixed;
  right: 0;
  left: 0;
  margin: 0 auto;
  height: 70px;
  -webkit-transition: all 300ms linear;
  transition: all 300ms linear;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}

.navbar a {
  color: #fafafa;
  text-decoration: none;
}

.navbar-links {
  list-style: none;
}

.navbar-links li {
  display: inline-block;
  margin: 0 15px;
}

.navbar .btn {
  margin: 15px 3px;
  font-size: 14px;
  color: #fcfcfc;
  border: 1px solid #fcfcfc;
}

.custom-toggle {
  width: 34px;
  height: 34px;
  display: block;
  position: relative;
  margin: 0 25px;
  display: none;
}

.custom-toggle .bar {
  background-color: #fff;
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 100px;
  position: absolute;
  top: 18px;
  right: 7px;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}

.custom-toggle .bar:first-child {
  -webkit-transform: translateY(-6px);
  transform: translateY(-6px);
}

.custom-toggle.x .bar {
  -webkit-transform: rotate(45deg);
  transform: rotate(45deg);
}

.custom-toggle.x .bar:first-child {
  -webkit-transform: rotate(-45deg);
  transform: rotate(-45deg);
}

.nav-bar-mobile {
  width: 100%;
  height: 0;
  overflow: hidden;
  margin: 0;
  padding: 0;
  top: 70px;
  text-align: center;
  background: rgba(0, 0, 0, 0.9);

  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}

.nav-bar-mobile li {
  height: 50px;
}

.show-nav-bar {
  height: 14em;
}

.blacker {
  background: rgba(0, 0, 0, 0.9);
}

@media screen and (max-width: 48em) {
  .custom-toggle {
    display: block;
  }
}