.navbar-toggler {
  width: 20px;
  height: 20px;
  position: relative;
  transition: .5s ease-in-out;
}

.navbar-toggler,
.navbar-toggler:focus,
.navbar-toggler:active,
.navbar-toggler-icon:focus {
  outline: none;
  box-shadow: none;
  border: 0;
  position: relative;
}

.navbar-toggler span {
  margin: 0;
  padding: 0;
}

.toggler-icon {
  display: block;
  position: absolute;
  height: 2px;
  width: 100%;
  background: #1a9ed9;
  border-radius: 0;
  opacity: 1;
  left: 0;
  transform: rotate(0deg);
  transition: .25s ease-in-out;
}

.middle-bar {
  margin-top: 0px;
}


/* State when the navbar is collapsed */

.navbar-toggler.collapsed .top-bar {
  position: absolute;
  top: 0px;
  transform: rotate(0deg);
}

.navbar-toggler.collapsed .middle-bar {
  opacity: 1;
  position: absolute;
  top: 7px;
  filter: alpha(opacity=100);
}

.navbar-toggler.collapsed .bottom-bar {
  position: absolute;
  top: 14px;
  transform: rotate(0deg);
}

/* when navigation is clicked */

.navbar-toggler .top-bar {
  top: inherit;
  transform: rotate(135deg);
}

.navbar-toggler .middle-bar {
  opacity: 0;
  top: inherit;
  filter: alpha(opacity=0);
}

.navbar-toggler .bottom-bar {
  top: inherit;
  transform: rotate(-135deg);
}

/* Color of 3 lines */

.navbar-toggler.collapsed .toggler-icon {
  background: linear-gradient(263deg, rgb(14, 92, 164) 0%, rgb(26, 158, 217) 100%);
}

.navbar-brand .site-slogan {
  display: block;
  font-size: 0.875rem;
  line-height: 0.875rem;
}