diff --git a/public/style.css b/public/style.css
index 731c761..7b39755 100644
--- a/public/style.css
+++ b/public/style.css
@@ -21,45 +21,22 @@ body {
 #game,
 #player1,
 #player2 {
+    position: relative;
     display: flex;
     gap: 10px;
 }
 
-kbd {
-    padding: 4px 8px;
-    border: 1px solid #777;
-    border-radius: 0.25rem;
-}
-
-.score,
-.shape {
-    min-width: 200px;
-    height: 200px;
-    display: flex;
-    justify-content: center;
-    align-items: center;
-}
-
-.shape {
-    border: 1px solid #777;
-    border-radius: 1rem;
-}
-
-#player1,
-#player2 {
-    position: relative;
-}
-
 .name {
     font-size: 2rem;
     font-weight: 600;
     position: absolute;
-    top: 0px;
+}
+
+#player1 .name {
     left: 0px;
 }
 
 #player2 .name {
-    left: auto;
     right: 0px;
 }
 
@@ -68,24 +45,30 @@ kbd {
     padding: 0 1rem;
 }
 
-#player1 .shape,
-#player2 .shape {
+.score,
+.shape {
+    min-width: 200px;
+    height: 200px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+}
+
+.shape {
+    border-radius: 1rem;
+    border: 1px solid #777;
     background-repeat: no-repeat;
     background-size: 200px 200px;
-}
-
-.rock {
-    background: url(rock.png);
-}
-
-.paper {
-    background: url(paper.png);
-}
-
-.scissors {
-    background: url(scissors.png);
+    transition: background-image 1s; /* 为什么没有作用？ */
 }
 
 #player2 .shape {
     transform: scaleX(-1);
 }
+
+kbd {
+    padding: 4px 8px;
+    border-radius: 0.25rem;
+    border: 1px solid #777;
+    background-color: #eee;
+}