添加项目文件。

TightWiki/wwwroot/lib/bootstrap/dist/css/sandstone/_bootswatch.scss

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+// Sandstone 5.3.3
+// Bootswatch
+
+
+// Variables
+
+$web-font-path: "https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap" !default;
+@if $web-font-path {
+  @import url("#{$web-font-path}");
+}
+
+// Navbar
+
+.sandstone {
+  font-size: 13px;
+  font-weight: 500;
+  line-height: 22px;
+  text-transform: uppercase;
+}
+
+.navbar {
+  .nav-link {
+    @extend .sandstone;
+  }
+
+  &-form input,
+  &-form .form-control {
+    border: none;
+  }
+}
+
+// Buttons
+
+.btn {
+  @extend .sandstone;
+
+  &:hover {
+    border-color: transparent;
+  }
+
+  &-success,
+  &-warning {
+    color: $white;
+  }
+}
+
+// Tables
+
+.table {
+  .thead-dark th {
+    background-color: $dark;
+  }
+}
+
+// Forms
+
+input,
+.form-control {
+  @include box-shadow(none);
+
+  &:focus {
+    @include box-shadow(none);
+  }
+}
+
+// Navs
+
+.nav-tabs {
+  .nav-link {
+    @extend .sandstone;
+    background-color: $gray-200;
+    border-color: $gray-300;
+  }
+
+  .nav-link,
+  .nav-link:hover,
+  .nav-link:focus {
+    color: $gray-600;
+  }
+
+  .nav-link.disabled,
+  .nav-link.disabled:hover,
+  .nav-link.disabled:focus {
+    color: $nav-link-disabled-color;
+    background-color: $gray-200;
+    border-color: $gray-300;
+  }
+}
+
+.nav-pills {
+  .nav-link {
+    @extend .sandstone;
+    color: $gray-600;
+    border: 1px solid transparent;
+  }
+
+  .nav-link.active,
+  .nav-link:hover,
+  .nav-link:focus {
+    background-color: $gray-200;
+    border-color: $gray-300;
+  }
+
+  .nav-link.disabled,
+  .nav-link.disabled:hover {
+    color: $gray-300;
+    background-color: transparent;
+    border-color: transparent;
+  }
+}
+
+
+.breadcrumb {
+  @extend .sandstone;
+  border: 1px solid $gray-300;
+}
+
+.pagination {
+  @extend .sandstone;
+
+  a:hover {
+    text-decoration: none;
+  }
+}
+
+.dropdown-menu {
+  .dropdown-item {
+    @extend .sandstone;
+  }
+}
+
+// Indicators
+
+.alert {
+  color: $white;
+
+  a,
+  .alert-link {
+    color: $white;
+    text-decoration: underline;
+  }
+
+  &-primary {
+    &,
+    > th,
+    > td {
+      background-color: $primary;
+    }
+  }
+
+  &-secondary {
+    &,
+    > th,
+    > td {
+      background-color: $secondary;
+    }
+  }
+
+  &-success {
+    &,
+    > th,
+    > td {
+      background-color: $success;
+    }
+  }
+
+  &-info {
+    &,
+    > th,
+    > td {
+      background-color: $info;
+    }
+  }
+
+  &-danger {
+    &,
+    > th,
+    > td {
+      background-color: $danger;
+    }
+  }
+
+  &-warning {
+    &,
+    > th,
+    > td {
+      background-color: $warning;
+    }
+  }
+
+  &-dark {
+    &,
+    > th,
+    > td {
+      background-color: $dark;
+    }
+  }
+
+  &-light {
+    &,
+    > th,
+    > td {
+      background-color: $light;
+    }
+
+    &,
+    a:not(.btn),
+    .alert-link {
+      color: $body-color;
+    }
+  }
+}
+
+.badge {
+  &.bg-light {
+    color: $dark;
+  }
+}
+
+.tooltip {
+  @extend .sandstone;
+}
+
+// Containers
+
+.modal,
+.toast,
+.offcanvas {
+  .btn-close {
+    background-image: escape-svg(url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='#{$gray-300}'><path d='M.293.293a1 1 0 0 1 1.414 0L8 6.586 14.293.293a1 1 0 1 1 1.414 1.414L9.414 8l6.293 6.293a1 1 0 0 1-1.414 1.414L8 9.414l-6.293 6.293a1 1 0 0 1-1.414-1.414L6.586 8 .293 1.707a1 1 0 0 1 0-1.414z'/></svg>"));
+  }
+}