div.menu{
  margin-right:40px;
  display: block;
  float: right;
  text-transform:lowercase;
  font-family: 'montserrat', montserrat, Arial, Helvetica, Verdana, sans-serif;
  font-size:120%;
  color:#fff;
  display:none;
}
.button_container {
  position: fixed;
  right: 5%;
  height: 27px;
  width: 35px;
  cursor: pointer;
  z-index: 100;
  transition: opacity 0.25s ease;
}
.button_container:hover {
  opacity: 0.85;
}
.button_container.active .top {
  transform: translateY(11px) translateX(0) rotate(45deg);
  background: #fff;
}
.button_container.active .middle {
  opacity: 0;
  background: #fff;
}
.button_container.active .bottom {
  transform: translateY(-11px) translateX(0) rotate(-45deg);
  background: #fff;
}
.button_container span {
  background: #fff;
  border: none;
  height: 5px;
  width: 100%;
  position: absolute;
  top: 0;
  left: 0;
  transition: all 0.35s ease;
  cursor: pointer;
  -webkit-box-shadow: 0 0 65px 0 rgb(230 230 219 / 100%);
  -moz-box-shadow:  0 0 65px 0 rgba(230,230,219,1);
  -o-box-shadow:  0 0 65px 0 rgba(230,230,219,1);
  -khtml-box-shadow:  0 0 65px 0 rgba(230,230,219,1);
  box-shadow:  0 0 65px 0 rgb(230 230 219 / 100%);
  z-index:-1;
}
.button_container span:nth-of-type(2) {
  top: 11px;
}
.button_container span:nth-of-type(3) {
  top: 22px;
}
.overlay {
  position: fixed;
  background: rgba(0,0,0,1);
  top: 0;
  left: 0;
  width: 100%;
  height: 0%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s, visibility 0.35s, height 0.35s;
  overflow: hidden;
  z-index:11;
  backdrop-filter: blur(20px);
}
.overlay.open {
  opacity: 0.95;
  visibility: visible;
  height: 100%;
  overflow: auto;
}
.overlay.open li {
  animation: fadeInRight 0.5s ease forwards;
  animation-delay: 0.35s;
}
.overlay.open li:nth-of-type(2) {
  animation-delay: 0.4s;
}
.overlay.open li:nth-of-type(3) {
  animation-delay: 0.45s;
}
.overlay.open li:nth-of-type(4) {
  animation-delay: 0.5s;
}
.overlay.open li:nth-of-type(5) {
  animation-delay: 0.55s;
}
.overlay.open li:nth-of-type(6) {
  animation-delay: 0.6s;
}
.overlay.open li:nth-of-type(7) {
  animation-delay: 0.65s;
}
.overlay.open li:nth-of-type(8) {
  animation-delay: 0.7s;
}
.overlay.open li:nth-of-type(9) {
  animation-delay: 0.75s;
}
.overlay.open li:nth-of-type(10) {
  animation-delay: 0.8s;
}
.overlay nav {
  position: relative;
  height: 75%;
  top: 50%;
  transform: translateY(-50%);
  font-size: 40px;
  font-family: 'montserrat', montserrat, Arial, Helvetica, Verdana, sans-serif;
  font-weight: 400;
  text-align: center;
}
.overlay ul {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  display: inline-block;
  position: relative;
  height: 100%;
}
.overlay ul li {
  display: block;
  height: 25%;
  height: calc(100% / 6);
  min-height: 55px;
  position: relative;
  opacity: 0;
}
.overlay ul li a {
  display: inline-block;
  position: relative;
  color: #fff;
  text-decoration: none;
  overflow: hidden;
  line-height: 100%;
  transition: all 0.35s ease;
  font-size:32px;
}
.overlay ul li a:hover{
  color: #fff;
  transition: all 0.15s ease;
}
.overlay ul li a:hover:after, .overlay ul li a:focus:after, .overlay ul li a:active:after {
  width: 100%;
}
.overlay ul li a:after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0%;
  transform: translateX(-50%);
  height: 1px;
  background: #fff;
  transition: 0.35s;
}
header .button_container{
  top:60px;
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
  -ms-transition: all 0.3s;
  -o-transition: all 0.3s;
  transition: all 0.3s;
}
header.smaller .button_container{
  top:13px;
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
  -ms-transition: all 0.3s;
  -o-transition: all 0.3s;
  transition: all 0.3s;
  z-index:100;
}
header .button_container.active, header.smaller .button_container.active{
  top:15px;
}
@supports (-webkit-backdrop-filter: none) or (backdrop-filter: none) {
  .overlay {
    -webkit-backdrop-filter: blur(20px) !important;
    backdrop-filter: blur(20px) !important;
  }
}
@media all and (max-width:820px){
  .overlay ul li a {font-size:24px; font-weight:400;}
  .overlay ul li {min-height:52px;}
  .button_container{display:block;}
  .hoofdmenu-left, .hoofdmenu-right {display:none !important;}
}
@media all and (max-width:480px){
}
@keyframes fadeInRight {
  0% {
    opacity: 0;
    left: 20%;
  }
  100% {
    opacity: 1;
    left: 0;
  }
}