.overlay-curtain-menu 
{

    z-index: 800;
    top: 0;
    left: 0;
    background-color: rgb(0,0,0);
    background-color: rgba(0,0,0, 0.9);
    overflow-x: hidden;
    transition: 0.5s;
    opacity:95%;
    position:absolute;
  }

  .overlay-curtain-menu::-webkit-scrollbar {
    display: none;
  }
  

  .curtain-menu-item-layout
  {
      position: absolute;
      width:100%;
      text-align: center;
      color: #818181;
      font-size: 20px;

  }
    
  .curtain-menu-item-layout:hover, .curtain-menu-item-layout:focus 
  {
    color: #f1f1f1;
    font-size: 23px;
    cursor: pointer;
    -webkit-user-select: none;
    -webkit-touch-callout: none;        
  }
  
.closebtnCurtain 
  {
    position: absolute;
    top: -25px;
    right: 0px;
    font-size: 60px;
    color: #feb300;
    z-index: 301;
    cursor: pointer;
  }

  .closebtnCurtain:hover, .closebtnCurtain:focus
  {
    color:red;
  }