添加项目文件。

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

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+// Spacelab 5.3.3
+// Bootswatch
+
+
+// Variables
+
+$web-font-path: "https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,400;0,700;1,400;1,700&display=swap" !default;
+@if $web-font-path {
+  @import url("#{$web-font-path}");
+}
+
+// Mixins
+
+@mixin btn-shadow($color) {
+  @include gradient-y-three-colors(tint-color($color, 24%), $color, 50%, shade-color($color, 8%));
+  filter: none;
+  border: 1px solid shade-color($color, 20%);
+}
+
+// Navbar
+
+.navbar {
+  .nav-link,
+  .navbar-brand {
+    text-shadow: -1px -1px 0 rgba(0, 0, 0, .05);
+    transition: color ease-in-out .2s;
+  }
+
+  @each $color, $value in $theme-colors {
+    &.bg-#{$color} {
+      @include btn-shadow($value);
+    }
+  }
+
+  &.bg-light {
+    .nav-link,
+    .navbar-brand {
+      text-shadow: 1px 1px 0 rgba(255, 255, 255, .1);
+    }
+
+    .navbar-brand {
+      color: $navbar-light-color;
+
+      &:hover {
+        color: $info;
+      }
+    }
+  }
+}
+
+// Buttons
+
+.btn {
+  text-shadow: -1px -1px 0 rgba(0, 0, 0, .1);
+
+  &-link {
+    text-shadow: none;
+  }
+}
+
+@each $color, $value in $theme-colors {
+  .btn-#{$color} {
+    @include btn-shadow($value);
+  }
+
+  .btn-#{$color}:not(.disabled):hover {
+    @include btn-shadow(shade-color($value, 8%));
+  }
+}
+
+[class*="btn-outline-"] {
+  text-shadow: none;
+}
+
+// Indicators
+
+.badge {
+  &.bg-light {
+    color: $dark;
+  }
+}
+
+// Containers
+
+.card,
+.list-group-item {
+  h1,
+  h2,
+  h3,
+  h4,
+  h5,
+  h6 {
+    color: inherit;
+  }
+}