* {
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

h1 {
  color: #2c3e50;
  text-align: center;
  margin-bottom: 30px;
}

p {
  margin: 20px 0;
  font-size: 18px;
}

.img-comp-container {
  position: relative;
  width: 800px;
  height: 500px;
  margin: 30px auto;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  border-radius: 8px;
  overflow: hidden;
}

.img-comp-img {
  position: absolute;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.img-comp-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.img-comp-slider {
  position: absolute;
  z-index: 9;
  cursor: ew-resize;
  width: 40px;
  height: 40px;
  background-color: #3498db;
  opacity: 0.7;
  border-radius: 50%;
  border: 2px solid white;
}