power-operations: add indeterminate status bar

Change-Id: I400aa855e4e9dd6b00f665083a7ba0fa4843825d
Signed-off-by: Michael Davis <michael.s.davis@ibm.com>
diff --git a/src/scss/elements/_toggle-switch.scss b/src/scss/elements/_toggle-switch.scss
index 6ea5054..88b1def 100644
--- a/src/scss/elements/_toggle-switch.scss
+++ b/src/scss/elements/_toggle-switch.scss
@@ -8,7 +8,6 @@
 @mixin borderRadius {
   -webkit-border-radius: 60px;
   -moz-border-radius: 60px;
-  -ms-border-radius: 60px;
   border-radius: 60px;
 }
 
@@ -19,6 +18,7 @@
   width: 1px;
   opacity: 0;
 }
+
 .toggle-switch + label {
   display: block;
   position: relative;
@@ -30,6 +30,11 @@
   user-select: none;
 }
 
+.toggle label {
+  text-indent: -9999px;
+  transform: translateY(-50%); // keeps switch centered
+}
+
 input.toggle-switch__round-flat + label {
   padding: 2px;
   width: 50px;