Help Regarding Hover and bottom Padiing

Hello guys, this is a great plugin installed it on my site i need help on 2 issues

1. How to increase bottom padding, as the share button border is overlapping with post border (Please check here, buttons are at bottom of the post http://www.techfing.com/protect-privacy-facebook-graph-search/)

2. How to change hover behavior for icons as my site has dotted lines for hover, i don’t need it for icons

Please Help!!!

http://ww.wp.xz.cn/plugins/simple-share-buttons-adder/