html {
  font-size: 100%;
}
@media only screen and (min-width: 992px) {
  .element-mobile {
    display: none;
  }
}
@media only screen and (max-width: 991px) {
  .element-pc {
    display: none;
  }
}
@media only screen and (min-width: 1200px) {
  .navbar .container-fluid {
    width: 1200px;
  }
}
.navbar .uinfo a {
  color: white!important;
}
.navbar-dark .nav-link {
  color: rgba(255, 255, 255, 0.95);
}
main {
  margin: 1rem 0 3rem;
}
footer {
  position: fixed;
  bottom: 0;
  background-color: whitesmoke;
  width: 100%;
  height: 2rem;
  line-height: 2rem;
  text-align: center;
  font-size: 0.8rem;
  color: darkgray;
}