progress: Fix IE overflow (twbs#29629)

MartijnCuppens · XhmikosR · commit 504098d66466 · 2019-11-04T14:37:13.000+02:00
diff --git a/scss/_progress.scss b/scss/_progress.scss
@@ -19,6 +19,7 @@
   display: flex;
   flex-direction: column;
   justify-content: center;
+  overflow: hidden;
   color: $progress-bar-color;
   text-align: center;
   white-space: nowrap;
