* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
  width: 100%;
  margin: 0;
}


/*
---- Navbar
*/
.navigation {
    /*float: right;*/
}


.navbar {
  width: 100%;
}

.navbar-buttons {
  position: relative;
 /* display: flex;*/
  justify-content: space-between;
  align-items: center;
}



/*
---- Overlay
*/
.overlay {
  position: fixed;
  background: rgba(0, 0, 0, 0.80);
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity .35s, visibility .35s, height .35s;
  overflow: hidden;
}

.overlay.open {
  opacity: 1;
  visibility: visible;
  height: 100%;
}

.overlay.open li {
  animation: fadeInRight .5s ease forwards;
  animation-delay: .35s;
}
.overlay.open li:nth-of-type(2) {
  animation-delay: .4s;
}
.overlay.open li:nth-of-type(3) {
  animation-delay: .45s;
}
.overlay.open li:nth-of-type(4) {
  animation-delay: .50s;
}

/* Navigation Title */
.overlay .nav-title {
  font-size: 22px;
  color: #fff;
  font-weight: bold;
  text-transform: uppercase;
  text-align: center;
  position: absolute;
  left: 50%;
  transform: translate(-50%);
  top: 8%;
}

.overlay nav {
  position: relative;
  height: 50%;
  top: 36%;
  transform: translateY(-50%);
  font-weight: 400;
  text-transform: uppercase;
  text-align: center;

}

.fa {
    padding: 10px!important;
}

.top {
    padding: 50px;
}

.overlay ul {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  display: inline-block;
  position: relative;
  height: 100%;
}
.overlay ul li {
  display: block;
  position: relative;
  opacity: 0;
    padding: 10px;
}
.overlay ul li a {
  position: relative;
  color: #FFF;
  text-decoration: none;
  overflow: hidden;
}

.overlay ul li a:hover,
.overlay ul li a:focus,
.overlay ul li a:active {
  color: #dfcd00;
}
.overlay ul li a:hover:after,
.overlay ul li a:focus:after,
.overlay ul li a:active:after {
  width: 100%;
  background: #dfcd00;
}

button:focus {
  outline: 0;
}

.open-menu,
.close-menu,
.button {
  cursor: pointer;
  transition: transform 0.30s;
}
.open-menu:hover,
.close-menu:hover,
.button:hover {
  transform: scale(1.1);
}



@keyframes fadeInRight {
  0% {
    opacity: 0;
    left: 20%;
  }
  100% {
    opacity: 1;
    left: 0;
  }
}

/*
---- Responsive
*/

@media (max-width: 670px) {
  .overlay nav {
    font-size: 30px;
  }
}
@media (max-width: 550px) {
  .overlay nav {
    font-size: 20px;
  }
}