* {
  font-family: 'Arial';
}
a {
  text-decoration: none;

}
.xCenter {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
.yCenter {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}
.allCenter {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.footer {
  color: #666;
  font-size: 14px;
  line-height: 26px;
  margin-bottom: 50px;
  text-align: center;
  letter-spacing: 1px;
  width: 1920px;
  position: relative;
  bottom: 0;
}

.footer a{
  color: #666;
}