Plungin does not work :/

Hi,
I have installed the Simple Share Buttons Adder plugin. I have chosen the location (HP, pages…), the sharing text, the network to display… of the share button, but nothing diplays. I have activated the plugin

My site : http://lapousse.fr

Do you know why ?

Thanks

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