body {
  background: #000;
  color: white;
  font-family: Arial, sans-serif;
  text-align: center;
  padding: 30px;
}
h1 {
  margin-bottom: 30px;
}
.slider {
  position: relative;
  width: 600px;
  margin: 0 auto;
}
/* Hide radio buttons */
input[type="radio"] {
  display: none;
}
.slides {
  display: flex;
  overflow: hidden;
  width: 600px;
  height: 200px;
  margin: 0 auto;
  border-radius: 15px;
  background: #fff;
  justify-content: center;
  align-items: center;
}
.slides img {
  width: 180px;
  height: 180px;
  margin: 0 10px;
  border-radius: 10px;
  object-fit: cover;
}
/* Navigation arrows */
.nav-arrow {
  position: absolute;
  top: 50%;
  width: 30px;
  height: 30px;
  background: rgba(255,255,255,0.3);
  color: #000;
  font-weight: bold;
  line-height: 30px;
  text-align: center;
  border-radius: 50%;
  cursor: pointer;
  user-select: none;
  transform: translateY(-50%);
}
.nav-arrow:hover {
  background: rgba(255,255,255,0.7);
}
.nav-prev {
  left: -50px;
}
.nav-next {
  right: -50px;
}

/* When first radio is checked, show logos */
#slide1:checked ~ .slides .group1 {
  display: flex;
}
#slide1:checked ~ .slides .group2 {
  display: none;
}
/* When second radio is checked, show thumbnails */
#slide2:checked ~ .slides .group1 {
  display: none;
}
#slide2:checked ~ .slides .group2 {
  display: flex;
}

.group1, .group2 {
  display: none;
  justify-content: center;
  align-items: center;
  width: 100%;
}