html, body, ul {
  margin: 0;
  padding: 0;
}

header h1, footer h1 {
  line-height: 100vh;
  color: gray;
  text-align: center;
}

.container-wraper {
  height: 300vh;
  background-color: #000;
  position: relative;
}

.container-wraper .ani-container {
  height: 100vh;
  width: 100%;
  position: sticky;
  top: 0;
  left: 0;
  display: flex;
}

.container-wraper .ani-container .list {
  margin: auto;
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  width: 980px;
  position: relative;
}

.container-wraper .ani-container .list .item {
  width: 80px;
  height: 80px;
  margin: 60px 30px;
  border-radius: 15px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: bold;
}

.container-wraper .ani-container .list .item:nth-child(1) {
  background-color: #026EFF;
}

.container-wraper .ani-container .list .item:nth-child(2) {
  background-color: #00A445;
}

.container-wraper .ani-container .list .item:nth-child(3) {
  background-color: #FFB000;
}

.container-wraper .ani-container .list .item:nth-child(4) {
  background-color: #FF9300;
}

.container-wraper .ani-container .list .item:nth-child(5) {
  background-color: #FF8F00;
}

.container-wraper .ani-container .list .item:nth-child(6) {
  background-color: #FF662C;
}

.container-wraper .ani-container .list .item:nth-child(7) {
  background-color: #1B9AEE;
}

.container-wraper .ani-container .list .item:nth-child(8) {
  background-color: #C8EDFF;
}

.container-wraper .ani-container .list .item:nth-child(9) {
  background-color: #0C8CFF;
}

.container-wraper .ani-container .list .item:nth-child(10) {
  background-color: #0C8CFF;
}

.container-wraper .ani-container .list .item:nth-child(11) {
  background-color: #0C8CFF;
}

.container-wraper .ani-container .list .item:nth-child(12) {
  background-color: #0C8CFF;
}

.container-wraper .ani-container .list .item:nth-child(13) {
  background-color: #0C8CFF;
}

.container-wraper .ani-container .list .item:nth-child(14) {
  background-color: #0C8CFF;
}