* {
    box-sizing: border-box;
  }

  .img-comp-container {
    position: relative;
    height: 200px;
    margin-top: 20px;
  }

  .img-comp-img {
    position: absolute;
    width: auto;
    height: auto;
    overflow: hidden;
  }

  .img-comp-img img {
    display: block;
    vertical-align: middle;
  }

  .img-comp-slider {
    position: absolute;
    z-index: 9;
    cursor: ew-resize;
    width: 40px;
    height: 40px;
    background-color: #2196F3;
    opacity: 0.7;
    border-radius: 50%;
  }








  body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #333;
}
h1{
  text-align: center;
}
h1, h2, h3 {
    color: #0056b3;
}

ul {
    list-style-type: none;
    padding: 0;
    background-color: #007bff;
    overflow: hidden;
}

ul li {
    display: inline;
    padding: 10px 15px;
}

ul li a {
    text-decoration: none;
    color: white;
    font-weight: bold;
}

ul li a:hover {
    text-decoration: underline;
}

p {
  padding-left: 20px;
    line-height: 1.6;
    margin: 15px 0;
}

.img-comp-container {
  padding-left: 20px;
    margin: 20px 0;
    text-align: center;
}

.img-comp-img img {
    border-radius: 5px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.img-comp-slider {
    border: 2px solid white;
}

.dr{
    margin-top: 10px;
}

.pr{
    margin-top: 210px;
}