dos

Public/static/css/index.css

@@ -82,8 +82,13 @@ input::-webkit-input-placeholder {
 }
 
 .btn-slideleft {
-  animation: slideLeft 1.5s linear infinite;
-  -webkit-animation: slideLeft 1.5s linear infinite;
+  animation: hand 1.5s linear infinite;
+  -webkit-animation: hand 1.5s linear infinite;
+}
+
+.btn-slideleft {
+  animation: handReverse 1.5s linear infinite;
+  -webkit-animation: handReverse 1.5s linear infinite;
 }
 
 input[name=customize] {
@@ -110,24 +115,20 @@ input[name=customize] {
   }
 }
 
-@keyframes slideLeft {
+@keyframes handReverse {
   0%,100% {
-    transform: translateX(5px);
-    opacity: 1;
+    transform: translate(5px);
   }
   50% {
-    transform: translateX(-5px);
-    opacity: 0;
+    transform: translate(-5px);
   }
 }
 
-@-webkit-keyframes slideLeft {
+@-webkit-keyframes handReverse {
   0%,100% {
-    -webkit-transform: translateX(5px);
-    opacity: 1;
+    -webkit-transform: translate(5px);
   }
   50% {
-    -webkit-transform: translateX(-5px);
-    opacity: 0;
+    -webkit-transform: translate(-5px);
   }
 }
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