footer {
  position: fixed;
  bottom: 0;
  display: flex;
  align-items: center;
  height: 50px;
  width: 100%;
  box-shadow: 0px 5px 20px #00000033;
}
footer .footer-btn {
  width: calc(33.333% + 2px);
  background: #fff;
  font-size: 15px;
  color: #333;
  height: 50px;
  transition: .2s color;
}
footer .footer-btn:first-child {
  border-bottom-left-radius: 12px;
}
footer .footer-btn:last-child {
  border-bottom-right-radius: 12px;
}
footer .footer-btn:hover {
  color: #1D7ABD;
}
footer .footer-btn i {
  margin-right: 7px;
  font-size: 14px;
}