Going on and add to repo not committed files

outllook_pal_toolsWeb/Content/sass/_Utility.scss

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+// Copyright (c) Microsoft. All rights reserved. Licensed under the MIT license. See LICENSE in the project root for license information.
+
+//
+// Office UI Fabric
+// --------------------------------------------------
+// Some mixins are output to CSS classes as utilities.
+
+// The best box is a border box.
+.ms-borderBox, .ms-borderBox::before, .ms-borderBox::after {
+  @include ms-borderBox;
+}
+
+// To apply border base settings
+.ms-borderBase {
+  @include ms-borderBase;
+}
+
+// Ensures the block expands to the full height to enclose its floated childen.
+.ms-clearfix {
+  @include ms-clearfix;
+}
+
+// Basic border-box, margin, and padding reset.
+.ms-normalize {
+  @include ms-normalize;
+}
+
+// Text alignments.
+.ms-textAlignLeft {
+  @include ms-text-align(left);
+}
+
+.ms-textAlignRight {
+  @include ms-text-align(right);
+}
+
+.ms-textAlignCenter {
+  text-align: center;
+}
+
+// Use to hide content while still making it readable by screen reader (Accessibility)
+.ms-screenReaderOnly {
+  @include ms-screenReaderOnly;
+}
+
+// Use to add truncation with ellipsis
+.ms-textTruncate {
+  @include ms-textTruncate;
+}
+
+// Use to disable text wrapping
+.ms-noWrap{
+  @include ms-noWrap;
+}