header {
    display: block;
    text-align: center;
}
header nav {
    justify-content: space-between;
  }
.multiple_text {
    margin-right: 0;
  }
.prev { 
    left: -25px; 
}
.next { 
    right: -25px; 
}
.slide-container {
    margin: 20px auto;
}
.multiple_img {
    margin: 20px auto;
}
.rotate_l{
    transform: rotate(0deg);
  }
  .rotate_r{
    transform: rotate(0deg);
  }
  svg {
    height: 40px;
    width: 40px;
  }
  .sticky {
    position:sticky;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.75);
    color: #eee;
    z-index: 20;
  }
  #adventures_images img {
    filter: grayscale(0%);
  }