.header .section-up .container .icons .current-lang:hover .lang-list {
    height: 100px;
}
.header .section-bottom .mobile-nav li .lang-list-visible {
    height: 170px;
}
.useful .useful-item-wrap .qrcode .bg-icon {
  background-image: url(/files/suggestionbox.png);
  background-size: 100%;
  display: block;
  width: 150px;
  height: 150px;
  border-radius: 5px;
  -moz-border-radius: 5px;
  -webkit-border-radius: 5px;
  -khtml-border-radius: 5px;
}
@media only screen and (max-width: 480px) {
  .useful .useful-item-wrap .qrcode .bg-icon {
    width: 90px;
    height: 90px;
    right: 10px;
    top: auto;
    bottom: 10px;
  }
}
@media only screen and (min-width: 481px) and (max-width: 767px) {
  .useful .useful-item-wrap .qrcode .bg-icon {
    width: 120px;
    height: 120px;
    right: 10px;
    top: auto;
    bottom: 10px;
  }
}
@media only screen and (min-width: 768px) and (max-width: 980px) {
  .useful .useful-item-wrap .qrcode .bg-icon {
    width: 80px;
    height: 80px;
    right: 10px;
    top: auto;
    bottom: 10px;
  }
}
@media only screen and (min-width: 981px) and (max-width: 1024px) {
  .useful .useful-item-wrap .qrcode .bg-icon {
    width: 100px;
    height: 100px;
    right: 10px;
    top: auto;
    bottom: 10px;
  }
}
@media only screen and (min-width: 1025px) {
  .useful .useful-item-wrap .qrcode .bg-icon {
    width: 140px;
    height: 140px;
    right: 20px;
    bottom: 20px !important;
    top: auto;
  }
}
.useful .useful-item-wrap .qrcode .bg-icon .far:before {
  content: "";
}