AdminLTE/build/scss/_layout.scss

//
// Core: Layout
//

html {
  scroll-behavior: smooth;
}

html,
body,
.wrapper {
  min-height: 100%;
}

.wrapper {
  position: relative;

  & .content-wrapper {
    min-height: calc(100vh - 112px);
  }

  .layout-boxed & {
    @include box-shadow(0 0 10 rgba($black, .3));

    &,
    &::before {
      margin: 0 auto;
      max-width: $boxed-layout-max-width;
    }

    & .main-sidebar {
      left: inherit;
    }
  }

  .layout-navbar-fixed.layout-fixed & {
    .sidebar {
      margin-top: $main-header-height;
    }
  }

  .layout-navbar-fixed.sidebar-collapse & {
    .brand-link {
      height: $main-header-height;
      width: $sidebar-mini-width;
    }
  }

  .layout-navbar-fixed & {
    .control-sidebar {
      top: 0;
    }

    a.anchor {
      display: block;
      position: relative;
      top: calc((#{$main-header-height-inner} + #{$main-header-bottom-border-width} + (#{$main-header-link-padding-y} * 2)) / -1);
    }

    .main-sidebar:hover {
      .brand-link {
        transition: width $transition-speed $transition-fn;
        width: $sidebar-width;
      }
    }

    .brand-link {
      overflow: hidden;
      position: fixed;
      top: 0;
      transition: width $transition-speed $transition-fn;
      width: $sidebar-width;
      z-index: $zindex-main-header + 1;
    }

    // Sidebar variants brand-link fix
    @each $name, $color in $theme-colors {
      .sidebar-dark-#{$name} .brand-link {
        background-color: $sidebar-dark-bg;
      }

      .sidebar-light-#{$name} .brand-link {
        background-color: $sidebar-light-bg;
      }
    }

    .content-wrapper {
      margin-top: $main-header-height;
    }

    .main-header {
      left: 0;
      position: fixed;
      right: 0;
      top: 0;
      z-index: $zindex-main-header - 1;
    }
  }

  .layout-navbar-not-fixed & {
    .brand-link {
      position: static;
    }

    .sidebar,
    .content-wrapper {
      margin-top: 0;
    }

    .main-header {
      position: static;
    }
  }

  @each $breakpoint in map-keys($grid-breakpoints) {
    @include media-breakpoint-up($breakpoint) {
      $infix: breakpoint-infix($breakpoint, $grid-breakpoints);

      .layout#{$infix}-navbar-fixed.layout-fixed & {
        .sidebar {
          margin-top: $main-header-height;
        }
      }

      .layout#{$infix}-navbar-fixed & {
        .control-sidebar {
          top: 0;
        }

        a.anchor {
          display: block;
          position: relative;
          top: calc((#{$main-header-height-inner} + #{$main-header-bottom-border-width} + (#{$main-header-link-padding-y} * 2)) / -1);
        }

        &.sidebar-collapse {
          .brand-link {
            height: $main-header-height;
            transition: width $transition-speed $transition-fn;
            width: $sidebar-mini-width;
          }

          .main-sidebar:hover {
            .brand-link {
              transition: width $transition-speed $transition-fn;
              width: $sidebar-width;
            }
          }
        }

        .brand-link {
          overflow: hidden;
          position: fixed;
          top: 0;
          transition: width $transition-speed $transition-fn;
          width: $sidebar-width;
          z-index: $zindex-main-header + 1;
        }

        // Sidebar variants brand-link fix
        @each $name, $color in $theme-colors {
          .sidebar-dark-#{$name} .brand-link {
            background-color: $sidebar-dark-bg;
          }

          .sidebar-light-#{$name} .brand-link {
            background-color: $sidebar-light-bg;
          }
        }

        .content-wrapper {
          margin-top: $main-header-height;
        }

        .main-header {
          left: 0;
          position: fixed;
          right: 0;
          top: 0;
          z-index: $zindex-main-sidebar - 1;
        }
      }

      .layout#{$infix}-navbar-not-fixed & {
        .brand-link {
          position: static;
        }

        .sidebar,
        .content-wrapper {
          margin-top: 0;
        }

        .main-header {
          position: static;
        }
      }

    }
  }

  .layout-footer-fixed & {
    .main-footer {
      bottom: 0;
      left: 0;
      position: fixed;
      right: 0;
      z-index: $zindex-main-footer;
    }
  }

  .layout-footer-not-fixed & {
    .main-footer {
      position: static;
    }

    .content-wrapper {
      margin-bottom: 0;
    }
  }

  @each $breakpoint in map-keys($grid-breakpoints) {
    @include media-breakpoint-up($breakpoint) {
      $infix: breakpoint-infix($breakpoint, $grid-breakpoints);

      .layout#{$infix}-footer-fixed & {
        .main-footer {
          bottom: 0;
          left: 0;
          position: fixed;
          right: 0;
          z-index: $zindex-main-footer;
        }

        .content-wrapper {
          margin-bottom: $main-footer-height;
        }
      }

      .layout#{$infix}-footer-not-fixed & {
        .main-footer {
          position: static;
        }
      }
    }
  }

  .layout-top-nav & {
    margin-left: 0;


    & .main-sidebar {
      bottom: inherit;
      height: inherit;
    }

    .brand-image {
      height: 33px;
    }

    & .main-sidebar {
      display: none;
    }

    & .content-wrapper,
    & .main-header,
    & .main-footer {
      margin-left: 0;
    }
  }
}

.content-wrapper,
.main-footer,
.main-header {
  @include media-breakpoint-up(sm) {
    @include transition(margin-left $transition-speed $transition-fn);

    margin-left: $sidebar-width;
    z-index: 3000;

    .sidebar-collapse & {
      margin-left: 0;
    }
  }

  @include media-breakpoint-down(sm) {
    &,
    &::before {
      margin-left: 0;
    }
  }
}

.content-wrapper {
  background: $main-bg;

  > .content {
    padding: $content-padding-y $content-padding-x;
  }
}

.main-sidebar {
  &,
  &::before {
    $local-sidebar-transition: margin-left $transition-speed $transition-fn, width $transition-speed $transition-fn;
    @include transition($local-sidebar-transition);
    width: $sidebar-width;
  }

  .sidebar-collapse & {
    &,
    &::before {
      margin-left: -$sidebar-width;
    }
  }

  @include media-breakpoint-down(sm) {
    &,
    &::before {
      box-shadow: none !important;
      margin-left: -$sidebar-width;
    }

    .sidebar-open & {
      &,
      &::before {
        margin-left: 0;
      }
    }
  }
}

:not(.layout-fixed) {
  .main-sidebar {
    height: inherit;
    min-height: 100%;
    position: absolute;
    top: 0;
  }
}

.layout-fixed {
  .brand-link {
    width: $sidebar-width;
  }

  .main-sidebar {
    bottom: 0;
    float: none;
    height: 100vh;
    left: 0;
    position: fixed;
    top: 0;
  }
}

.main-footer {
  background: $main-footer-bg;
  border-top: $main-footer-border-top;
  color: lighten($gray-700, 25%);
  padding: $main-footer-padding;
}

.content-header {
  padding: 15px $content-padding-x;

  h1 {
    font-size: 1.8rem;
    margin: 0;
  }

  .breadcrumb {
    background: transparent;
    line-height: 1.8rem;
    margin-bottom: 0;
    padding: 0;
  }
}

.hold-transition {
  .content-wrapper,
  .main-header,
  .main-footer {
    transition: none !important;
  }
}