M3 Integration fixes

Modules/M3/Resources/public/liberty-theme/css/styles.css

@@ -5008,12 +5008,6 @@ textarea.form-control-lg {
   color: #101214;
 }
 
-@-webkit-keyframes progress-bar-stripes {
-  0% {
-    background-position-x: 1rem;
-  }
-}
-
 @keyframes progress-bar-stripes {
   0% {
     background-position-x: 1rem;
@@ -6198,12 +6192,6 @@ textarea.form-control-lg {
   color: #000;
 }
 
-@-webkit-keyframes spinner-border {
-  to {
-    transform: rotate(360deg) /* rtl:ignore */;
-  }
-}
-
 @keyframes spinner-border {
   to {
     transform: rotate(360deg) /* rtl:ignore */;
@@ -6227,16 +6215,6 @@ textarea.form-control-lg {
   border-width: 0.2em;
 }
 
-@-webkit-keyframes spinner-grow {
-  0% {
-    transform: scale(0);
-  }
-  50% {
-    opacity: 1;
-    transform: none;
-  }
-}
-
 @keyframes spinner-grow {
   0% {
     transform: scale(0);
@@ -6398,12 +6376,6 @@ textarea.form-control-lg {
           animation: placeholder-glow 2s ease-in-out infinite;
 }
 
-@-webkit-keyframes placeholder-glow {
-  50% {
-    opacity: 0.2;
-  }
-}
-
 @keyframes placeholder-glow {
   50% {
     opacity: 0.2;
@@ -6418,13 +6390,6 @@ textarea.form-control-lg {
           animation: placeholder-wave 2s linear infinite;
 }
 
-@-webkit-keyframes placeholder-wave {
-  100% {
-    -webkit-mask-position: -200% 0%;
-            mask-position: -200% 0%;
-  }
-}
-
 @keyframes placeholder-wave {
   100% {
     -webkit-mask-position: -200% 0%;