body {
  position: relative;
  width: 100%;
  box-sizing: border-box;
  font-size: 16px;
}

.logo-link {
  font-size: 22px;
  line-height: 60px;
}

.img-center {
  vertical-align: middle;
  margin-top: -6px;
}

footer {
  width: 100%;
  height: 50px;
  position: absolute;
  bottom: 0;
  left: 0;
}

.mui-bottom-bar {
  background-color: #1d1d1d;
  height: 50px;
  line-height: 2;
  line-height: 50px;
  color: #999;
  position: absolute;
  bottom: 0;
}

.link-href {
  color: #999;
}

.link-href:hover {
  color: white;
}

.line-font {
  font-size: 18px;
}