.social-icons {
  display: flex;
  margin-bottom: 30px;
}

.social-icons > a {
  cursor: pointer;
  margin-right: 12px;
}

.social-icons > a > div {
  position: relative;
  width: 24px;
  height: 24px;
  overflow: hidden;
}

.social-icons > a > div::before {
  position: absolute;
  top: -24px;
  content: "";
  width: 24px;
  height: 24px;
  background-size: contain;
  border-radius: 10%;
  transition: all 0.2s;
  opacity: 0.9;
}

.social-icons > a > div::after {
  position: absolute;
  top: 0px;
  content: "";
  width: 24px;
  height: 24px;
  background-size: contain;
  border-radius: 10%;
  transition: all 0.2s;
  opacity: 0.6;
}

.social-icons > a:hover > div::before {
  top: 0px;
}

.social-icons > a:hover > div::after {
  top: 24px;
}

.social-icons > #fb > div::after {
  background-image: url("../images/social/facebook-b.png");
}

.social-icons > #tw > div::after {
  background-image: url("../images/social/twitter-b.png");
}

.social-icons > #me > div::after {
  background-image: url("../images/social/medium-b.png");
}

.social-icons > #tg > div::after {
  background-image: url("../images/social/telegram-b.png");
}

.social-icons > #wc > div::after {
  background-image: url("../images/social/wechat-b.png");
}

.social-icons > #git > div::after {
  background-image: url("../images/social/github-b.png");
}

.social-icons > #li > div::after {
  background-image: url("../images/social/linkedin-b.png");
}

.social-icons > #ln > div::after {
  background-image: url("../images/social/line-b.png");
}

.social-icons > #wb > div::after {
  background-image: url("../images/social/weibo-b.png");
}

.social-icons > #fb > div::before {
  background-image: url("../images/social/facebook-f.png");
}

.social-icons > #tw > div::before {
  background-image: url("../images/social/twitter-f.png");
}

.social-icons > #me > div::before {
  background-image: url("../images/social/medium-f.png");
}

.social-icons > #tg > div::before {
  background-image: url("../images/social/telegram-f.png");
}

.social-icons > #wc > div::before {
  background-image: url("../images/social/wechat-f.png");
}

.social-icons > #git > div::before {
  background-image: url("../images/social/github-f.png");
}

.social-icons > #li > div::before {
  background-image: url("../images/social/linkedin-f.png");
}

.social-icons > #ln > div::before {
  background-image: url("../images/social/line-f.png");
}

.social-icons > #wb > div::before {
  background-image: url("../images/social/weibo-f.png");
}

a#wc {
  position: relative;
}

a#wc:hover > .wechat-qr-code {
  display: inherit;
}

.wechat-qr-code {
  position: absolute;
  left: 48px;
  top: 0;
  width: 200px;
  height: 200px;
  box-shadow: 0 2px 8px 0 rgba(0, 0, 0, 0.4);
  display: none;
}