Left file: appwork-v1_4_0/react-starter/src/shared/Loader/Loader.module.scss  
Right file: appwork-v1_5_0/react-starter/src/shared/Loader/Loader.module.scss  
1 @-webkit-keyframes RouterLoaderAnimation { = 1 @-webkit-keyframes RouterLoaderAnimation {
2   0% { opacity: 0; }   2   0% { opacity: 0; }
3   100% { opacity: 1; }   3   100% { opacity: 1; }
4 }   4 }
5 @-moz-keyframes RouterLoaderAnimation {   5 @-moz-keyframes RouterLoaderAnimation {
6   0% { opacity: 0; }   6   0% { opacity: 0; }
7   100% { opacity: 1; }   7   100% { opacity: 1; }
8 }   8 }
9 @keyframes RouterLoaderAnimation {   9 @keyframes RouterLoaderAnimation {
10   0% { opacity: 0; }   10   0% { opacity: 0; }
11   100% { opacity: 1; }   11   100% { opacity: 1; }
12 }   12 }
13     13  
14 .Container {   14 .Container {
15   position: fixed;   15   position: fixed;
16   z-index: 99999999;   16   z-index: 99999999;
17   top: 0;   17   top: 0;
18   right: 0;   18   right: 0;
19   bottom: 0;   19   bottom: 0;
20   left: 0;   20   left: 0;
21   opacity: 0;   21   opacity: 0;
22   background: rgba(#fff, .25);   22   background: rgba(#fff, .25);
23   display: flex;   23   display: flex;
24   justify-content: center;   24   justify-content: center;
25   align-items: center;   25   align-items: center;
26   animation: RouterLoaderAnimation .2s;   26   animation: RouterLoaderAnimation .2s;
27   animation-fill-mode: forwards;   27   animation-fill-mode: forwards;
28 }   28 }
    -+ 29 :global(.dark-style) .Container {
      30   background: rgba(#25282E, .25);
      31 }
29   = 32  
30 .Spinner {   33 .Spinner {
31   display: block;   34   display: block;
32 }   35 }
33     36  
34 .SpinnerEl {   37 .SpinnerEl {
35   border-width: 2px !important;   38   border-width: 2px !important;
36   width: 3rem !important;   39   width: 3rem !important;
37   height: 3rem !important;   40   height: 3rem !important;
38 }   41 }
39     42  
40 :global(.app-loading) .Container {   43 :global(.app-loading) .Container {
41   display: none;   44   display: none;
42 }   45 }