.grtvideo-popup {
  position:fixed;
  top:0;
  left:0;
  right:0;
  bottom:0;
  background: rgba(0,0,0, 0.35);
  z-index:99999;
}

.grtvideo-popup-content {
  margin-top:150px;
  width:95%;
  max-width:850px;
  margin-left:auto;
  margin-right:auto;
  -webkit-box-shadow: 0px 0px 8px 0px rgba(255,255,255,0.4);
  -moz-box-shadow: 0px 0px 8px 0px rgba(255,255,255,0.4);
  box-shadow: 0px 0px 8px 0px rgba(255,255,255,0.4);
  position:relative;
}

.grtvideo-popup-close {
    position: absolute;
    top: -15px;
    right: -15px;
    color: #FFF;
    cursor: pointer;
    background: black;
    width: 30px;
    height: 30px;
    text-align: center;
    border-radius: 50%;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.grtyoutube-iframe {
  width:100%;
  height:480px;
}

@media (max-width:767px) {
  .grtyoutube-iframe {
    width:100%;
    height:350px;
  }
}