.menu-c1 {

position: fixed;
      top: 0;
      right: 0;
      width: 100%;
      height: 100%;
      z-index: 66;
      background: #0c0c0cd1;
      backdrop-filter: blur(15px);
      display: flex;
      align-items: center;
      justify-content: center;
      display: none;
}
  .menu-c1 div {
    width: 200px;

  }
  .menu-c1 div a {
    color: #ffffff;
        display: block;
        text-align: right;
        margin: 15px 0px;
        font-size: 17px;
        font-weight: bold;
        text-decoration: none;
        -webkit-animation: an156 0.5s ;
        animation: an156 0.5s ;
  }
  @-webkit-keyframes an156 {
    0% { margin-right: -25px ; opacity: 0.0; }
    100% { margin-right: 0px ; opacity:1; }
  }

  @keyframes an156 {
  0% { margin-right: -25px ; opacity: 0.0; }
  100% { margin-right: 0px ; opacity:1; }
  }