.loader {
    position: absolute;
    border: 5px solid #f3f3f3;
    border-top: 5px solid #555;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
  }

  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }

  .fill {
    object-fit: fill;
  }

  .contain {
    object-fit: contain;
  }

  .cover {
    object-fit: cover;
  }

  .none {
    object-fit: none;
  }

  .scale-down {
    object-fit: scale-down;
  }


.wrapper {
    width: 100%;
    height: 100%;
}

.dark-bg {
    background-color : rgba(0, 0, 0, 0.3);
}

.play-button-div {
  margin: 0 auto;
  tex-align: center;
  position: relative;
  display: inline-block;
}

.play-button-div:before {
  content: '▶';
  color: #ffffff;
  font-size: 80px;
  padding: .05em .2em;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 99;
}