dos

Public/static/css/index.css

@@ -86,7 +86,7 @@ input::-webkit-input-placeholder {
   -webkit-animation: hand 1.5s linear infinite;
 }
 
-.btn-slideRight {
+.btn-slideright {
   animation: handReverse 1.5s linear infinite;
   -webkit-animation: handReverse 1.5s linear infinite;
 }