.overlay {
    height: 85%;
    width: 0;
    position: fixed;
    z-index: 200;
    top: 4.2rem;
    left: 0;
    background-color: rgb(240,240,240);
    box-shadow: 20px 25px 35px rgba(0, 0, 0, 0.4);
    overflow-x: hidden;
    transition: 0.5s;
  }
  
  .overlay-content {
    position: relative;
    top: 5%;
    width: 100%;
    text-align: center;
    margin-top: 30px;
  }
  
  .overlay a {
    padding: 8px;
    text-decoration: none;
    font-size: 16px;
    color: steelblue;
    display: block;
    transition: 0.3s;
  }
  
  .overlay a:hover, .overlay a:focus {
    color: var(--ourBlue);
  }
  
  .overlay .closebtn {
    position: absolute;
    top: 20px;
    right: 45px;
    font-size: 60px;
  }