Bootstrap/scss/_navbar.scss

// Wrapper and base class
//
// Provide a static navbar from which we expand to create full-width, fixed, and
// other navbar variations.

.navbar {
  position: relative;
  // padding: $navbar-padding-y $navbar-padding-x;
  // @include clearfix;

  // @include media-breakpoint-up(sm) {
  //   @include border-radius($navbar-border-radius);
  // }
}

.navbar-container {
  @include media-breakpoint-up(sm) {
    display: table;
    width: 100%;

    // .navbar-container-justified
    &-justified {
      table-layout: fixed;
    }
  }
}

.navbar-item {
  display: block;
  padding: $navbar-padding-y $navbar-padding-x;
  // padding: .5rem .75rem;
  vertical-align: middle;

  @include media-breakpoint-up(sm) {
    display: table-cell;
    white-space: nowrap;

    // .navbar-item-primary
    &-primary {
      width: 99%;

      ~ .navbar-item {
        width: 1%;
      }
    }
  }
}

.navbar-nav {
  // .nav-item {
  //   display: block;
  // }

  .nav-link {
    display: block;
    padding: .425rem .5rem;
  }

  @include media-breakpoint-up(sm) {
    .nav-item {
      display: inline-block;
    }
  }
}

.navbar-toggler-left {
  position: absolute;
  // top: $navbar-padding-y;
  left: $navbar-padding-x;
}

.navbar-toggler-right {
  position: absolute;
  // top: $navbar-padding-y;
  right: $navbar-padding-x;
}


// .navbar-collapse-sm



// Navbar alignment options
//
// Display the navbar across the entirety of the page or fixed it to the top or
// bottom of the page.

// A static, full width modifier with no rounded corners.
// .navbar-full {
//   z-index: $zindex-navbar;
//
//   @include media-breakpoint-up(sm) {
//     @include border-radius(0);
//   }
// }

// Fix the top/bottom navbars when screen real estate supports it
.navbar-fixed-top,
.navbar-fixed-bottom {
  position: fixed;
  right: 0;
  left: 0;
  z-index: $zindex-navbar-fixed;

  // Undo the rounded corners
  @include media-breakpoint-up(sm) {
    @include border-radius(0);
  }
}

.navbar-fixed-top {
  top: 0;
}

.navbar-fixed-bottom {
  bottom: 0;
}

.navbar-sticky-top {
  position: sticky;
  top: 0;
  z-index: $zindex-navbar-sticky;
  width: 100%;

  // Undo the rounded corners
  @include media-breakpoint-up(sm) {
    @include border-radius(0);
  }
}


//
// Brand/project name
//

.navbar-brand {
  // float: left;
  // padding-top: $navbar-brand-padding-y;
  // padding-bottom: $navbar-brand-padding-y;
  // margin-right: 1rem;
  display: inline-block;
  padding: .25rem .5rem;
  font-size: $font-size-lg;
  line-height: inherit;

  @include hover-focus {
    text-decoration: none;
  }
}


.navbar-divider {
  float: left;
  width: $border-width;
  padding-top: $navbar-divider-padding-y;
  padding-bottom: $navbar-divider-padding-y;
  margin-right: $navbar-padding-x;
  margin-left:  $navbar-padding-x;
  overflow: hidden;

  &::before {
    content: "\00a0";
  }
}


// Navbar text
//
//

.navbar-text {
  display: inline-block;
  padding-top:    .425rem;
  padding-bottom: .425rem;
}


// Navbar toggle
//
// Custom button for toggling the `.navbar-collapse`, powered by the collapse
// Bootstrap JavaScript plugin.

.navbar-toggler {
  width: 2.5em;
  height: 2em;
  padding: $navbar-toggler-padding-y $navbar-toggler-padding-x;
  font-size: $navbar-toggler-font-size;
  line-height: 1;
  background: transparent no-repeat center center;
  background-size: 24px 24px;
  border: $border-width solid transparent;
  @include border-radius($navbar-toggler-border-radius);

  @include hover-focus {
    text-decoration: none;
  }
}

// Navigation
//
// Custom navbar navigation built on the base `.nav` styles.

// .navbar-nav {
//   .nav-item {
//     float: left;
//   }
//
//   .nav-link {
//     display: block;
//     padding-top:    .425rem;
//     padding-bottom: .425rem;
//
//     + .nav-link {
//       margin-left: 1rem;
//     }
//   }
//
//   .nav-item + .nav-item {
//     margin-left: 1rem;
//   }
// }

// Dark links against a light background
.navbar-light {
  .navbar-brand,
  .navbar-toggler {
    color: $navbar-light-active-color;

    @include hover-focus {
      color: $navbar-light-active-color;
    }
  }

  .navbar-nav {
    .nav-link {
      color: $navbar-light-color;

      @include hover-focus {
        color: $navbar-light-hover-color;
      }

      &.disabled {
        color: $navbar-light-disabled-color;
      }
    }

    .open > .nav-link,
    .active > .nav-link,
    .nav-link.open,
    .nav-link.active {
      @include plain-hover-focus {
        color: $navbar-light-active-color;
      }
    }
  }

  .navbar-toggler {
    background-image: $navbar-light-toggler-bg;
    border-color: $navbar-light-toggler-border;
  }

  .navbar-divider {
    background-color: rgba(0,0,0,.075);
  }

  .navbar-text {
    color: $navbar-light-color;
  }
}

// White links against a dark background
.navbar-dark {
  .navbar-brand,
  .navbar-toggler {
    color: $navbar-dark-active-color;

    @include hover-focus {
      color: $navbar-dark-active-color;
    }
  }

  .navbar-nav {
    .nav-link {
      color: $navbar-dark-color;

      @include hover-focus {
        color: $navbar-dark-hover-color;
      }

      &.disabled {
        color: $navbar-dark-disabled-color;
      }
    }

    .open > .nav-link,
    .active > .nav-link,
    .nav-link.open,
    .nav-link.active {
      @include plain-hover-focus {
        color: $navbar-dark-active-color;
      }
    }
  }

  .navbar-toggler {
    background-image: $navbar-dark-toggler-bg;
    border-color: $navbar-dark-toggler-border;
  }

  .navbar-divider {
    background-color: rgba(255,255,255,.075);
  }

  .navbar-text {
    color: $navbar-dark-color;
  }
}

// Navbar toggleable
//
// Custom override for collapse plugin in navbar.

// Placed at the end of the file so it can override some CSS properties
// scss-lint:disable ImportantRule
.navbar-toggleable {
  @each $breakpoint in map-keys($grid-breakpoints) {
    $next: breakpoint-next($breakpoint, $grid-breakpoints);
    $infix: breakpoint-infix($breakpoint, $grid-breakpoints);
    &#{$infix} {
      @include clearfix;

      @include media-breakpoint-down($breakpoint) {
        // .navbar-brand {
        //   display: block;
        //   float: none;
        //   margin-top: .5rem;
        //   margin-right: 0;
        // }

        .navbar-nav {
          // margin-top: .5rem;
          // margin-bottom: .5rem;

          .dropdown-menu {
            position: static;
            float: none;
          }

          // .nav-item {
          //   float: none;
          //   margin-left: 0;
          // }
        }
      }

      @include media-breakpoint-up($next) {
        display: table-cell !important;
        width: 100%;
      }
    }
  }
}
// scss-lint:enable ImportantRule