fix animation style

css/src/main.css

@@ -1111,7 +1111,7 @@ button.gray:focus,
     transition: height 250ms ease-in;
 }
 
-.side-nav.wallets.open {
+.side-nav.wallets.pullDown {
   height: 100%;
 }
 
@@ -1412,6 +1412,69 @@ a.text-warning:hover {color: #FD7262;}
 
 /* Animation popup */
 
+.pullDown {
+  animation-name: pullDown;
+  -webkit-animation-name: pullDown; 
+
+  animation-duration: 1.1s; 
+  -webkit-animation-duration: 1.1s;
+
+  animation-timing-function: ease-out;  
+  -webkit-animation-timing-function: ease-out;  
+
+  transform-origin: 50% 0%;
+  -ms-transform-origin: 50% 0%;
+  -webkit-transform-origin: 50% 0%;     
+}
+
+@keyframes pullDown {
+  0% {
+    transform: scaleY(0.1);
+  }
+  40% {
+    transform: scaleY(1.02);
+  }
+  60% {
+    transform: scaleY(0.98);
+  }
+  80% {
+    transform: scaleY(1.01);
+  }
+  100% {
+    transform: scaleY(0.98);
+  }       
+  80% {
+    transform: scaleY(1.01);
+  }
+  100% {
+    transform: scaleY(1);
+  }             
+}
+
+@-webkit-keyframes pullDown {
+  0% {
+    -webkit-transform: scaleY(0.1);
+  }
+  40% {
+    -webkit-transform: scaleY(1.02);
+  }
+  60% {
+    -webkit-transform: scaleY(0.98);
+  }
+  80% {
+    -webkit-transform: scaleY(1.01);
+  }
+  100% {
+    -webkit-transform: scaleY(0.98);
+  }       
+  80% {
+    -webkit-transform: scaleY(1.01);
+  }
+  100% {
+    -webkit-transform: scaleY(1);
+  }   
+}
+
 /*-----------------------------------------------------------------*/
 
 .w-popup-menu{