fixed?

.atom/packages/atom-material-ui/styles/spinner.less

@@ -1,21 +0,0 @@
-.loading-spinner {
-    &-tiny, &-small,
-    &-medium, &-large {
-        background: none;
-        border: .125rem solid @base-color;
-        border-radius: 50%;
-        border-top-color: transparent;
-        animation: spin 2s linear infinite;
-
-        &.idle {
-            border: none;
-            animation: none;
-        }
-    }
-
-}
-
-@keyframes spin {
-    from { transform: rotate(0deg); }
-    to { transform: rotate(360deg); }
-}