样式调整

src/assets/scss/style.scss

@@ -61,9 +61,9 @@ body {
     }
     .room-name {
       position: absolute;
-      top: -.5rem;
+      top: 50%;
       left: 50%;
-      transform: translate(-50%, 0);
+      transform: translate(-50%, -50%);
       border-radius: 0 0 0.5rem 0.5rem;
       box-sizing: border-box;
       display: inline-block;