CHG: Progress background shorthand

1 files changed, 1 insertions, 2 deletions

diff --git a/src/progress.less b/src/progress.less
index bd4785a..ed45c32 100644
--- a/src/progress.less
+++ b/src/progress.less
@@ -27,8 +27,7 @@
 
   &:indeterminate {
     animation: progress-indeterminate 1.5s linear infinite;
-    background: @core-border-color linear-gradient(to right, @core-color 30%, @core-border-color 30%) no-repeat;
-    background-size: 150% 150%;
+    background: @core-border-color linear-gradient(to right, @core-color 30%, @core-border-color 30%) top left / 150% 150% no-repeat;
 
     &::-moz-progress-bar {
       background: transparent;