.slider .slide img,
.slider .slide video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.slider .video-slide {
  overflow: hidden;
}

.slider .video-slide video {
  background: #000;
}

.video-sound-button {
  position: absolute;
  right: 18px;
  bottom: 18px;
  z-index: 4;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 999px;
  color: #fff;
  background: rgba(0, 37, 92, 0.82);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  font: 600 14px/1.2 Arial, sans-serif;
  cursor: pointer;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.video-sound-button:hover,
.video-sound-button:focus-visible {
  background: rgba(0, 74, 173, 0.96);
  outline: 2px solid #fff;
  outline-offset: 2px;
}

@media (max-width: 640px) {
  .video-sound-button {
    right: 12px;
    bottom: 12px;
    padding: 8px 11px;
    font-size: 12px;
  }
}