modify: fix space on side nav

Author: sota1235

browser/main/SideNav/SideNav.styl

@@ -22,7 +22,7 @@
   overflow ellipsis
 
 .menu
-  margin 0
+  margin-bottom 30px
 
 .menu-button
   navButtonColor()
@@ -45,8 +45,6 @@
 
 .storageList
   absolute left right
-  bottom 32px
-  top 120px
   overflow-y auto
 
 .storageList-empty