body.custom-cart #floatingCartContainer {
  box-sizing: border-box;
  display: flex !important;
  padding: 8px !important
}

body.custom-cart #floatingCartContainer .cartButton a {
  font-size: 10px !important;
  font-weight: 700
}

body.custom-cart #floatingCartContainer .addToCartButton,
body.custom-cart #floatingCartContainer .checkOutButton {
  flex: 1
}

body.custom-cart #floatingCartContainer .addToCartButton img,
body.custom-cart #floatingCartContainer .checkOutButton img {
  margin-top: -4px
}

body.custom-cart #floatingCartContainer .addToCartButton {
  padding-left: 0 !important
}

body.custom-cart #floatingCartContainer .checkOutButton {
  padding-right: 4px !important
}

body.custom-cart #floatingCartContainer .checkOutButton a {
  margin-right: 4px
}

body.custom-cart #floatingCartContainer .fav-btn {
  margin-right: 4px
}

body.custom-cart #floatingCartContainer .fav-btn a {
  background: url("お気に入りボタンの画像URL") no-repeat center !important
}

body.custom-cart #floatingCartContainer .share-btn a {
  background: url("SNSでシェアするボタンの画像URL") no-repeat center !important
}

body.custom-cart #floatingCartContainer .fav-btn,
body.custom-cart #floatingCartContainer .share-btn {
  width: 46px !important;
  height: auto !important
}

body.custom-cart #floatingCartContainer .fav-btn a,
body.custom-cart #floatingCartContainer .share-btn a {
  display: block;
  height: 50px;
  padding: 0 !important;
  background-size: contain !important
}

div#floatingButtons {
  z-index: 90000 !important
}