* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: sans-serif;
}

html,
body {
  height: 100%;
  width: 100%;
  background-color: black;
}

#scrollbar {
  height: 400px;
  width: 100%;
  background-color: #333;
  padding: 30px;
  display: flex;
  gap: 30px;
  flex-wrap: nowrap;
  overflow: auto;
}

#parent {
  background-color: #333;
  text-align: center;
  padding-top: 20px;
}

#parent h1 {
  font-size: 100px;
  display: inline-block;
  text-align: center;
  color: transparent;
  -webkit-text-stroke: 1px white;
  transition: all 0.5s ease-in-out;
}

h1:hover {
  background-image: url(https://images.unsplash.com/photo-1557053964-937650b63311?w=600&auto=format&fit=crop&q=60&ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxzZWFyY2h8Nnx8Ym13JTIwbG9nb3xlbnwwfHwwfHx8MA%3D%3D);
  background-size: contain;
  background-position: center;
  background-clip: text;
}

#scrollbar::-webkit-scrollbar {
  height: 5px;
  /* display: none; */
  background-color: rgb(165, 207, 221);
}

#scrollbar::-webkit-scrollbar-thumb {
  background-color: royalblue;
}

.child {
  height: 100%;
  width: 250px;
  background-color: white;
  border-radius: 10px;
  flex-shrink: 0;
}

.child img {
  height: 100%;
  width: 100%;
  object-fit: cover;
}