update

user_web/src/components/student/courseChapter3d/showDownHole.vue

@@ -221,10 +221,10 @@ const submitEvent = () => {
 
             .editBtn {
                 position: relative;
-                width: 100%;
+                width: 14.21rem;
                 height: 3.5rem;
                 line-height: 3.5rem;
-                margin: 1.57rem 0px 1.57rem 0px;
+                margin: 1.57rem auto 1.57rem auto;
                 text-align: center;
                 font-weight: 400;
                 font-size: 1.28rem;