update UI review by daiqiang

@@ -85,15 +85,14 @@ let styles = StyleSheet.create({
      height: 115*DEVICE_WIDTH_RATIO,
      alignItems: 'center',
      flexDirection: 'row',
-     justifyContent: 'space-around',
    },
    button1: {
-    // marginLeft: 10*DEVICE_WIDTH_RATIO,
+    marginLeft: (width - 180*DEVICE_WIDTH_RATIO)/3,
     alignItems: 'center',
    },
 
   button2: {
-   marginLeft: -10*DEVICE_WIDTH_RATIO,
+   marginLeft: (width - 180*DEVICE_WIDTH_RATIO)/3,
    alignItems: 'center',
   },
    icon: {
@@ -104,6 +103,8 @@ let styles = StyleSheet.create({
      marginTop: 8*DEVICE_WIDTH_RATIO,
      fontSize: 12,
      color: '#444444',
+     width: 90*DEVICE_WIDTH_RATIO,
+     textAlign: 'center',
    },
    line: {
      width: width - 52,

@@ -324,16 +324,16 @@ let styles = StyleSheet.create({
      width,
      height: 115*DEVICE_WIDTH_RATIO,
      alignItems: 'center',
-     justifyContent: 'space-around',
      flexDirection: 'row',
    },
    button1: {
     alignItems: 'center',
+    marginLeft: (width - 180*DEVICE_WIDTH_RATIO)/3,
    },
 
   button2: {
-   marginLeft: -10*DEVICE_WIDTH_RATIO,
-   alignItems: 'center',
+    marginLeft: (width - 180*DEVICE_WIDTH_RATIO)/3,
+    alignItems: 'center',
   },
    icon: {
      width: 45*DEVICE_WIDTH_RATIO,
@@ -342,6 +342,8 @@ let styles = StyleSheet.create({
    text: {
      marginTop: 8*DEVICE_WIDTH_RATIO,
      fontSize: 12,
+     width: 90*DEVICE_WIDTH_RATIO,
+     textAlign: 'center',
      color: '#444444',
    },
    line: {