.firstSection {
  height: 100vh;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* slider CSS  */

.slider-container {
    position: relative;
    overflow: hidden;
  }
  
  .slider {
    display: flex;
    transition: transform 0.5s ease;
  }
  
  .slide {
    min-width: 100%;
  }
  
  .slide img {
    width: 100%;
    height: auto;
  }
  
  .controls {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    transform: translateY(-50%);
  }
  
  .prev, .next {
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    padding: 10px;
    cursor: pointer;
    font-size: 24px;
  }
  
  .prev:hover, .next:hover {
    background-color: rgba(0, 0, 0, 0.8);
  }
    video {
      width: 100%;
      height: auto;
    }
    section.yt-video {
  padding: 4rem;
  display: flex;
  justify-content: center;
  align-items: center;
  background-image: url(../images/backgrounds/main-slider-1-1.jpg);
  background-size: cover;
  background-position: center;
  position: relative;
}

.yt-video::before{
  position: absolute;
  content: '';
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
}

.yt-video iframe {
  border: 0;
  height: 70vh;
  width: 100%;
  position: relative;
}

@media (max-width: 400px) {
  section.yt-video {
      padding: 0rem;
  }
}