<section>
  <h2>scroll-snap-type: x mandatory</h2>
  <div class="container">
    <img src="https://picsum.photos/500/300?random=1" alt="">
    <img src="https://picsum.photos/500/300?random=2" alt="">
    <img src="https://picsum.photos/500/300?random=3" alt="">
    <img src="https://picsum.photos/500/300?random=4" alt="">
    <img src="https://picsum.photos/500/300?random=5" alt="">
    <img src="https://picsum.photos/500/300?random=6" alt="">
    <img src="https://picsum.photos/500/300?random=7" alt="">
  </div>
</section>

<section>
  <h2>scroll-snap-type: x proximity</h2>
  <div class="container">
    <img src="https://picsum.photos/500/300?random=1" alt="">
    <img src="https://picsum.photos/500/300?random=2" alt="">
    <img src="https://picsum.photos/500/300?random=3" alt="">
    <img src="https://picsum.photos/500/300?random=4" alt="">
    <img src="https://picsum.photos/500/300?random=5" alt="">
    <img src="https://picsum.photos/500/300?random=6" alt="">
    <img src="https://picsum.photos/500/300?random=7" alt="">
  </div>
</section>

@import url("https://fonts.googleapis.com/css2?family=Exo:wght@600&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  width: 100vw;
  min-height: 100vh;

  display: flex;
  justify-content: center;
  align-items: center;
  font-family: "Exo", Arial, sans-serif;
  background-color: #f7f7f7;

  gap: 20px;
}

.container {
  display: flex;
  gap: 20px;
  box-shadow: 0 3px 10px 0 rgba(0 0 0 / 0.1);
  padding: 20px;
  border-radius: 5px;

  width: 40vw;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scroll-padding: 20px;
}

img {
  border-radius: 4px;
  max-height: 150px;
  width: auto;

  scroll-snap-align: start;
}

h2 {
  margin-bottom: 14px;
  padding-left: 8px;
}

.container::-webkit-scrollbar-track {
  box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.9);
  border-radius: 10px;
  background-color: #444444;
}

.container::-webkit-scrollbar {
  height: 8px;
  background-color: #f5f5f5;
  margin: 2px;
}

.container::-webkit-scrollbar-thumb {
  border-radius: 10px;
  background-color: #d62929;
  background-image: linear-gradient(
    90deg,
    transparent,
    rgba(0, 0, 0, 0.4) 50%,
    transparent,
    transparent
  );
}

section:nth-child(1) .container {
  scroll-snap-type: x mandatory;
}

section:nth-child(2) .container {
  scroll-snap-type: x proximity;
}