header {
  z-index: 99;
  width: 100%;
  position: fixed;
  -webkit-box-shadow: 0px -1px 8px 0px rgba(0, 0, 0, 0.12);
          box-shadow: 0px -1px 8px 0px rgba(0, 0, 0, 0.12);
  background: rgba(255, 255, 255, 0.5);
  -webkit-backdrop-filter: blur(17.5px);
          backdrop-filter: blur(17.5px);
}
header .navbar-light {
  background: none !important;
}
header .navbar-light .navbar-toggler {
  border-radius: 0.75rem;
  background-color: white;
}
header .navbar-light .navbar-toggler .navbar-toggler-icon {
  background-image: url("../image/svg/burger-icon.svg");
}
header .navbar-brand {
  margin-right: 100px;
}
header #navbarText {
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
header .navbar-text {
  justify-self: end;
}
header .navbar-light .navbar-nav .nav-link {
  color: #1D1D1D;
}
header .navbar-light .navbar-nav .nav-link:hover {
  color: #1D1D1D;
  text-decoration: underline;
}
header .join-btn {
  background-color: white;
  border-radius: 100px;
  color: #1d1d1d;
  font-weight: 600;
  -webkit-transition: 0.1s;
  transition: 0.1s;
}
header .join-btn img {
  margin-top: 2px;
}
header .join-btn:hover {
  background-color: #1D1D1D;
  color: white;
}

@media (max-width: 992px) {
  header {
    background: none;
    -webkit-backdrop-filter: blur(0);
            backdrop-filter: blur(0);
    -webkit-box-shadow: none;
            box-shadow: none;
  }
  header .navbar-brand img {
    display: none;
  }
}