jQuery Mobile Label坐在右边

Question

对于jQuery移动专家来说，这应该是一个相当简单的问题。你可以在图片中看到我的按钮标签＆＃34; call＆＃34;没有居中。我怎么能把它移到左边？

Johns-MacBook-Air:SongAnalysisSentiment johnanukem$ cd app
-bash: cd: app: No such file or directory
Johns-MacBook-Air:SongAnalysisSentiment johnanukem$ ls
README          app             sentiments.csv      songdictionary.py
Johns-MacBook-Air:SongAnalysisSentiment johnanukem$ ls -lah
total 776
drwxr-xr-x   8 johnanukem  staff   272B Nov 14 02:38 .
drwx------+ 39 johnanukem  staff   1.3K Nov 14 02:38 ..
-rw-r--r--@  1 johnanukem  staff   6.0K Nov 14 01:39 .DS_Store
drwxr-xr-x  16 johnanukem  staff   544B Nov 14 02:43 .git
-rw-r--r--   1 johnanukem  staff    35B Nov 14 01:38 README
drwxr-xr-x   8 johnanukem  staff   272B Nov 14 02:38 app 
-rw-r--r--   1 johnanukem  staff   370K Nov 14 01:49 sentiments.csv
-rw-r--r--   1 johnanukem  staff   1.3K Nov 14 02:29 songdictionary.py