@media only screen and (max-width: 992px) {
  .parallax-container {
    min-height: 530px;
  }
  .parallax-container .section {
    position: absolute;
  }
  #index-banner .section {
    top: 10%;
  }
}
@media only screen and (max-width: 600px) {
  #index-banner .section {
    top: 0;
  }
}
@media only screen and (max-width: 420px) {
  .sidenav {
    display: unset;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
  }
  .sidenav li {
    width: 100%;
  }
  .sidenav li .user-view {
    color: #000;
  }
  .sidenav li .user-view .background img {
    width: 100%;
  }
  .lk .avatar_img {
    width: 30%;
    margin: 0 auto;
    border-radius: 50%;
  }
}