修改样式

08 类.playground/Resources/README.md

@@ -132,7 +132,8 @@ s1 = Size(width: 11, height: 22)
 通过 `class_getInstanceSize` 可以得知：类的对象至少需要占用多少内存
 
 ```swift
-class Point	{  var x = 11
+class Point	{  
+  var x = 11
   var test = true
   var y = 22
 }