整理遮罩

layer.js

@@ -121,7 +121,7 @@
       box-sizing: content-box;
       width: 5em;
       height: 5em;
-      margin: 2.5em auto 0.6em;
+      margin: 0.5em auto 1.8em;
       border: 0.25em solid rgba(0, 0, 0, 0);
       border-radius: 50%;
       font-family: inherit;
@@ -286,7 +286,7 @@
       }
       65% {
         top: 3.375em;
-        right: 2.875em;
+        right: 2.875em;x
         width: 0;
       }
       84% {