Adding castom add this buttons to your site

_addthis.haml

#app/views/shared/_addthis.haml

.addthis_toolbox.addthis_default_style
  -#  %a.addthis_button_vk
  -#    %i.icon-vkontakte
  -#  %a.addthis_button_facebook
  -#    %i.icon-facebook-sign
  -#  %a.addthis_button_google_plusone_share
  -#    %i.icon-google_oauth2-sign
  -#  %a.addthis_button_twitter
  -#    %i.icon-twitter-sign
  -#  %a.addthis_button_livejournal
  -#    %i.icon-pencil-squared
  -#  %a.addthis_button_email
  -#    %i.icon-mail-alt
  -#
  -#
  -#-#  %a.addthis_button_preferred_1
  -#-#  %a.addthis_button_preferred_2
  -#-#  %a.addthis_button_preferred_3
  %a.addthis_button_expanded.btn.btn-regular.no-title
    %i.icon-share-1
    Поделиться
  -#%a.addthis_counter.addthis_bubble_style

%script{type:'text/javascript'}
  var addthis_config = {"data_track_addressbar": false, "ui_language": "ru"};
%script{type:'text/javascript', src:'//s7.addthis.com/js/300/addthis_widget.js#pubid=#{YUOR_SITE_ID}'}

addthis.sass

#app/assets/stylesheets/controls

.addthis_toolbox
  a
    @include inline-block
    box-shadow: none
    vertical-align: top
    transition: none
    color: $black
    height: $main-padding +$main-margin/2
    width: $main-padding +$main-margin/2
    text-align: center
    margin-left: $main-margin-small/2
    &:hover
      @include transition(color .5s ease-in-out)
      box-shadow: none
      color: $btn-red
    &:first-child
      margin-left: 0
      background: $black
      border-radius: $main-margin/2
      &:hover
        @include transition(background .5s ease-in-out)
        background: $btn-red
      i

        font-size: 1.2em
        color: white
        &:before
          vertical-align: middle
          text-shadow: none
          line-height: 1em
    i
      &:before
        vertical-align: top
        text-shadow: none
        line-height: $main-padding + $main-margin-small
        margin: 0
      font-size: $layout-margin - $border-width


.addthis_32x32_style .addthis_counter.addthis_bubble_style
  width: 62px!important