.slider {
    border: 2px solid black;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
  .slider .slider-container {
    /* width: 30vw; */
    margin: 0 auto;
    padding: 50px;
    border: 2px solid red;
  }
  .slider button {
    position: relative;
    display: inline-block;
    cursor: pointer;
    outline: none;
    border: 0;
    vertical-align: middle;
    text-decoration: none;
    background: transparent;
    padding: 20px 5px;
    color: #3c376f;
    font-size: 2rem;
  }
  .slider button span {
    position: relative;
    display: inline-block;
    transform: translateX(0);
    transition: transform 0.3s ease;
  }
  .previous:hover span {
    transform: translateX(-10px) scale(1.2);
  }
  .next:hover span {
    transform: translateX(10px) scale(1.2);
  }
  .slider-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
  }
  .slider-nav li {
    display: flex;
    flex: 2;
    text-align: center;
  }
  .slider img {
    max-width: 100%;
    display: none;
    box-shadow: 10px 10px 20px 0 rgba(94, 47, 59, 0.2);
  }
  .slider img.active {
    display: block;
    animation: fadeImg 0.8s;
  }
  .slider-nav .arrow {
    flex: 0 0 15%;
  }
  .slider-nav a {
    flex-basis: 100%;
    display: flex;
    align-items: center;
  }
  .slider-nav span {
    display: block;
    width: 100%;
  }

  @keyframes fadeImg {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }