Remove padding on the sides

CSS Codes Social Share Buttons
1

Add this code to the Custom CSS field on the Style tab of your Social Share Buttons widget’s settings:

.eapps-social-share-buttons-item:first-child {
  margin-left: 0 !important;
}

.eapps-social-share-buttons-item:last-child {
  margin-right: 0 !important;
}