@media only screen and (max-width: 767px) {
  header#header.header,
  #fake-header {
    margin-right: 0px;
  }
  .header::before {
    width: auto;
  }
  aside#sidebar.sidebar {
    position: relative;
    margin-bottom: 20px;
  }
    /*transition: 0.7s;
    right: -210px;
    width: 234px;
  }
  aside#sidebar.sidebar.expanded {
    transition: 1s;
    right: 0px;
  }
  aside#sidebar:before {
    content: '<';
    position: absolute;
    top: 40%;
    margin: 5px;
    font-size: 25px;
    font-weight: bold;
  }
  aside#sidebar.expanded:before {
    content: '>';
    position: absolute;
    top: 40%;
    margin: 5px;
    font-size: 25px;
    font-weight: bold;
  }*/
}