diff --git a/src/less/base/pane.less b/src/less/base/pane.less
index be55d2f28..d63e32577 100644
--- a/src/less/base/pane.less
+++ b/src/less/base/pane.less
@@ -1,29 +1,52 @@
 @import "../index";
-
 .bi-pane {
-  min-height: 25px;
-  .background-color(@color-bi-background-normal, 0);
+    min-height: 25px;
+    .background-color(@color-bi-background-normal, 0);
 }
 
 .bi-loading-widget {
-  &>div {
-      .background-color(@background-color-highlight, 90%);
-      .border-radius(2.5px);
-      animation: loading-widget 0.8s infinite linear;
-  }
-  & .rect2 {
-      animation-delay: -0.2s;
-  }
-  & .rect3 {
-      animation-delay: -0.4s;
-  }
-
-  @keyframes loading-widget {
-      0%, 100% {
-          transform: scaleY(0.3);
-      }
-      50% {
-          transform: scaleY(1);
-      }
-  }
+    &>div {
+        .background-color(@background-color-highlight, 90%);
+        .border-radius(2.5px);
+        -webkit-animation: loading-widget 0.8s infinite linear;
+        -moz-animation: loading-widget 0.8s infinite linear;
+        animation: loading-widget 0.8s infinite linear;
+    }
+    & .rect2 {
+        -webkit-animation-delay: -0.2s;
+        -moz-animation-delay: -0.2s;
+        animation-delay: -0.2s;
+    }
+    & .rect3 {
+        -webkit-animation-delay: -0.4s;
+        -moz-animation-delay: -0.4s;
+        animation-delay: -0.4s;
+    }
+    @-webkit-keyframes loading-widget {
+        0%,
+        100% {
+            -webkit-transform: scaleY(0.3);
+        }
+        50% {
+            -webkit-transform: scaleY(1);
+        }
+    }
+    @-moz-keyframes loading-widget {
+        0%,
+        100% {
+            -moz-transform: scaleY(0.3);
+        }
+        50% {
+            -moz-transform: scaleY(1);
+        }
+    }
+    @keyframes loading-widget {
+        0%,
+        100% {
+            transform: scaleY(0.3);
+        }
+        50% {
+            transform: scaleY(1);
+        }
+    }
 }
\ No newline at end of file