add one css style

public/themes/redpenny-master/stylesheets/application.css

@@ -1878,6 +1878,21 @@ input[type="submit"] {
     text-shadow: 0px -1px 0px rgba(0, 0, 0, 0.2), 0px 1px 0px rgb(255, 255, 255);
     cursor: pointer;
 }
+#button_width_auto {
+	padding-bottom: 5px;
+	width: auto;
+	height: 25px;
+    font-family: '微软雅黑',Arial,Helvetica,sans-serif;
+    font-size: 12px;
+    color: #fff;
+    padding: 0px;
+    background: #15bccf; 
+    border-radius: 4px;
+    border: 1px solid #15bccf;
+    box-shadow: 0px 1px 3px rgba(0, 0, 0, 0.2), 0px 0px 2px rgb(255, 255, 255) inset;
+    text-shadow: 0px -1px 0px rgba(0, 0, 0, 0.2), 0px 1px 0px rgb(255, 255, 255);
+    cursor: pointer;
+}
 
 /*end*/