@media screen and (max-width: 768px) {
  html > body > #page-top > div > div > div > div:nth-child(2) > a > i {
    background-color: #ffffff;
    font-size: 28px;
  }
  html > body > #offcanvas-wrapper > div:nth-child(1) > div > a > img {
    opacity: 0;
  }
}