fix(carousel):arrow buttons cannot be displayed in a specific browser (#631)

* fix(carousel): issue 625

* fix(carousel): issue 625

* Update CHANGELOG.en-US.md

Co-authored-by: 07akioni <07akioni2@gmail.com>

CHANGELOG.en-US.md

@@ -8,6 +8,10 @@
 - `n-switch` add `checked`, `unchecked` slots.
 - `n-switch` add `loading` prop, closes [#301](https://github.com/TuSimple/naive-ui/issues/301).
 
+### Fixes
+
+- Fix `n-carousel` arrow buttons cannot be displayed in a specific browser, closes [#625](https://github.com/TuSimple/naive-ui/issues/625).
+
 ## 2.15.6 (2021-07-23)
 
 ### Feats

CHANGELOG.zh-CN.md

@@ -8,6 +8,10 @@
 - `n-switch` 增加 `checked`、`unchecked` 插槽
 - `n-switch` 增加 `loading` 属性，关闭 [#301](https://github.com/TuSimple/naive-ui/issues/301)
 
+### Fixes
+
+- 修复 `n-carousel` 中箭头按钮在特定浏览器下无法显示问题，关闭 `https://github.com/TuSimple/naive-ui/issues/625`
+
 ## 2.15.6 (2021-07-23)
 
 ### Feats

src/carousel/src/styles/index.cssr.ts

@@ -107,7 +107,11 @@ export default cB('carousel', `
       c('&:active', {
         transform: 'translateX(-50%) scale(1) rotate(90deg)'
       })
-    ])
+    ]),
+    c('svg', {
+      height: '100%',
+      width: '100%'
+    })
   ]),
   cM('left', [
     cE('slides', `