body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
}

.box-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  overflow-x: hidden;
}

.box {
  height: 200px;
  width: 100%;
  max-width: 600px;
  background-color: cornflowerblue;
  border-radius: 5px;
  text-align: center;
  color: white;
  margin: 10px;
  box-shadow: 2px 4px 5px rgba(0, 0, 0, 0.3);
  transform: translateX(400%);
  transition: transform 0.4s ease;
}
.box:nth-of-type(even) {
  transform: translateX(-400%);
}
.box.show {
  transform: translateX(0);
}