.content-copyright {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin-bottom: 60px;
}

.copyright-link {
  font-size: 18px;
  line-height: 27px;
  position: relative;
}

.content-copyright p {
  color: #b6b6b6;
  margin-top: 60px;
  font-size: 14px;
  line-height: 21px;
  text-align: center;
}
.content-copyright a span::after {
  position: absolute;
  bottom: -4px;
  left: 0;
  content: '';
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, #fff 35%, rgba(48, 48, 48, 0) 100%); /* linear-gradient(90deg, #ccccff 35%, rgba(48, 48, 48, 0) 100%);; /**/
  transform: scale(0, 1);
  transform-origin: left top;
  transition: transform .3s;
}
.content-copyright a span:hover::after {
  transform: scale(1, 1);
}

@media only screen and (max-width: 420px) {

  .copyright-link {
    font-size: 14px;
    line-height: 21px;
  }

  .content-copyright p {
    margin-top: 40px;
    margin-right: 16px;
    margin-left: 16px;
    font-size: 10px;
    line-height: 15px;
    text-align: center;
  }
}