Internal: Restored the indentation using tabs in the dropdown.css fil…

…e after changes in cfef4bd.

theme/ckeditor5-ui/components/dropdown/dropdown.css

@@ -9,104 +9,104 @@
 @import "@ckeditor/ckeditor5-ui/theme/mixins/_dir.css";
 
 :root {
-  --ck-dropdown-arrow-size: calc(0.5 * var(--ck-icon-size));
+	--ck-dropdown-arrow-size: calc(0.5 * var(--ck-icon-size));
 }
 
 .ck.ck-dropdown {
-  /* Enable font size inheritance, which allows fluid UI scaling. */
-  font-size: inherit;
-
-  & .ck-dropdown__arrow {
-    width: var(--ck-dropdown-arrow-size);
-  }
-
-  @mixin ck-dir ltr {
-    & .ck-dropdown__arrow {
-      right: var(--ck-spacing-standard);
-
-      /* A space to accommodate the triangle. */
-      margin-left: var(--ck-spacing-standard);
-    }
-  }
-
-  @mixin ck-dir rtl {
-    & .ck-dropdown__arrow {
-      left: var(--ck-spacing-standard);
-
-      /* A space to accommodate the triangle. */
-      margin-right: var(--ck-spacing-small);
-    }
-  }
-
-  &.ck-disabled .ck-dropdown__arrow {
-    @mixin ck-disabled;
-  }
-
-  & .ck-button.ck-dropdown__button {
-    @mixin ck-dir ltr {
-      &:not(.ck-button_with-text) {
-        /* Make sure dropdowns with just an icon have the right inner spacing */
-        padding-left: var(--ck-spacing-small);
-      }
-    }
-
-    @mixin ck-dir rtl {
-      &:not(.ck-button_with-text) {
-        /* Make sure dropdowns with just an icon have the right inner spacing */
-        padding-right: var(--ck-spacing-small);
-      }
-    }
-
-    /* #23 */
-    & .ck-button__label {
-      width: 7em;
-      overflow: hidden;
-      text-overflow: ellipsis;
-    }
-
-    /* https://github.com/ckeditor/ckeditor5-theme-lark/issues/70 */
-    &.ck-disabled .ck-button__label {
-      @mixin ck-disabled;
-    }
-
-    /* https://github.com/ckeditor/ckeditor5/issues/816 */
-    &.ck-on {
-      border-bottom-left-radius: 0;
-      border-bottom-right-radius: 0;
-    }
-
-    &.ck-dropdown__button_label-width_auto .ck-button__label {
-      width: auto;
-    }
-  }
+	/* Enable font size inheritance, which allows fluid UI scaling. */
+	font-size: inherit;
+
+	& .ck-dropdown__arrow {
+	width: var(--ck-dropdown-arrow-size);
+	}
+
+	@mixin ck-dir ltr {
+		& .ck-dropdown__arrow {
+			right: var(--ck-spacing-standard);
+
+			/* A space to accommodate the triangle. */
+			margin-left: var(--ck-spacing-standard);
+		}
+	}
+
+	@mixin ck-dir rtl {
+		& .ck-dropdown__arrow {
+			left: var(--ck-spacing-standard);
+
+			/* A space to accommodate the triangle. */
+			margin-right: var(--ck-spacing-small);
+		}
+	}
+
+	&.ck-disabled .ck-dropdown__arrow {
+		@mixin ck-disabled;
+	}
+
+	& .ck-button.ck-dropdown__button {
+		@mixin ck-dir ltr {
+			&:not(.ck-button_with-text) {
+				/* Make sure dropdowns with just an icon have the right inner spacing */
+				padding-left: var(--ck-spacing-small);
+			}
+		}
+
+		@mixin ck-dir rtl {
+			&:not(.ck-button_with-text) {
+				/* Make sure dropdowns with just an icon have the right inner spacing */
+				padding-right: var(--ck-spacing-small);
+			}
+		}
+
+		/* #23 */
+		& .ck-button__label {
+			width: 7em;
+			overflow: hidden;
+			text-overflow: ellipsis;
+		}
+
+		/* https://github.com/ckeditor/ckeditor5-theme-lark/issues/70 */
+		&.ck-disabled .ck-button__label {
+			@mixin ck-disabled;
+		}
+
+		/* https://github.com/ckeditor/ckeditor5/issues/816 */
+		&.ck-on {
+			border-bottom-left-radius: 0;
+			border-bottom-right-radius: 0;
+		}
+
+		&.ck-dropdown__button_label-width_auto .ck-button__label {
+			width: auto;
+		}
+	}
 }
 
 .ck.ck-dropdown__panel {
-  @mixin ck-rounded-corners;
-  @mixin ck-drop-shadow;
+	@mixin ck-rounded-corners;
+	@mixin ck-drop-shadow;
 
-  background: var(--ck-color-dropdown-panel-background);
-  border: 1px solid var(--ck-color-dropdown-panel-border);
-  bottom: 0;
+	background: var(--ck-color-dropdown-panel-background);
+	border: 1px solid var(--ck-color-dropdown-panel-border);
+	bottom: 0;
 
-  /* Make sure the panel is at least as wide as the drop-down's button. */
-  min-width: 100%;
+	/* Make sure the panel is at least as wide as the drop-down's button. */
+	min-width: 100%;
 
-  /* Disabled corner border radius to be consistent with the .dropdown__button
+	/* Disabled corner border radius to be consistent with the .dropdown__button
 	https://github.com/ckeditor/ckeditor5/issues/816 */
-  &.ck-dropdown__panel_se {
-    border-top-left-radius: 0;
-  }
+	&.ck-dropdown__panel_se {
+		border-top-left-radius: 0;
+	}
 
-  &.ck-dropdown__panel_sw {
-    border-top-right-radius: 0;
-  }
+	&.ck-dropdown__panel_sw {
+		border-top-right-radius: 0;
+	}
 
-  &.ck-dropdown__panel_ne {
-    border-bottom-left-radius: 0;
-  }
+	&.ck-dropdown__panel_ne {
+		border-bottom-left-radius: 0;
+	}
 
-  &.ck-dropdown__panel_nw {
-    border-bottom-right-radius: 0;
-  }
+	&.ck-dropdown__panel_nw {
+		border-bottom-right-radius: 0;
+	}
 }