body,
html {
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen, Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue;
  font-size: 16px;
}

.form {
  padding: 40px 0 30px;
}

.embed-responsive {
  margin-bottom: 15px;
}

@media all and (max-width: 992px) {
  .display-3 {
    font-size: 3.25rem;
  }

  .navbar-nav .nav-link {
    text-align: center;
  }
  .navbar-nav .nav-link.active {
    font-weight: bold;
    color: #0275d8;
    background-color: #fff;
  }
}
.page_gallery {
  margin: 20px 0 30px;
}
.page_gallery .page_gallery_photo {
  height: 200px;
  overflow: hidden;
  margin-bottom: 30px;
}

#toggle {
  display: none;
  width: 28px;
  height: 30px;
  margin-top: 20px;
  cursor: pointer;
}

@media all and (max-width: 992px) {
  #toggle {
    display: block;
  }
}
#toggle span:after,
#toggle span:before {
  content: "";
  position: absolute;
  left: 0;
  top: -9px;
}

#toggle span:after {
  top: 9px;
}

#toggle span {
  position: relative;
  display: block;
}

#toggle span,
#toggle span:after,
#toggle span:before {
  width: 100%;
  height: 5px;
  background-color: #333;
  transition: all 0.3s;
  -webkit-backface-visibility: hidden;
          backface-visibility: hidden;
  border-radius: 2px;
}

#toggle.on span {
  background-color: transparent;
}

#toggle.on span:before {
  transform: rotate(45deg) translate(5px, 5px);
}

#toggle.on span:after {
  transform: rotate(-45deg) translate(7px, -8px);
}