#carousel {
  position: relative;
  height: 170px;
  width: 810px;
  margin: auto;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
}

.arrow {
  position: absolute;
  width: 30px;
  height: 30px;
  background-color: gray;
  text-align: center;
  border-radius: 50%;
  cursor: pointer;
  font-size: 30px;
  color: white;
  line-height: 30px;
  margin-top: 85px;
  z-index: 1000;
}

.arrow-right {
  left: 780px;
}

.item {
  text-align: center;
  color: white;
  font-size: 40px;
  position: absolute;
  transition: height 1s, width 1s, left 1s, margin-top 1s, line-height 1s, background-color 1s;
}

.level-2 {
  height: 150px;
  width: 110px;
  line-height: 150px;
  /*background-color: #E9F409;*/
  left: 650px;
  border-radius:25px;
  margin-top: 25px;
}

.level-1 {
  height: 180px;
  width: 130px;
  line-height: 180px;
  /*background-color: #E9F409;*/
  left: 500px;
  border-radius:25px;
  margin-top: 10px;
}

.level0 {
  height: 200px;
  width: 150px;
  line-height: 200px;
  /*background-color: #E9F409;*/
  left: 330px;
  border-radius:25px;
  /*border: 2px solid #E9F409;*/
}

.level1 {
  height: 180px;
  width: 130px;
  line-height: 180px;
  /*background-color: #E9F409;*/
  margin-top: 10px;
  border-radius:25px;
  left: 180px;
}

.level2 {
  height: 150px;
  width: 110px;
  line-height: 150px;
  /*background-color: #E9F409;*/
  margin-top: 25px;
  border-radius:25px;
  left: 50px;
}

.left-enter {
  opacity: 0;
  left: -60px;
  height: 120px;
  width: 90px;
  line-height: 120px;
  margin-top: 40px;
}

.left-enter.left-enter-active {
  opacity: 1;
  left: 50px;
  height: 150px;
  width: 110px;
  line-height: 150px;
  margin-top: 25px;
  transition: left 1s, opacity 1s, height 1s, width 1s, margin-top 1s, line-height 1s;
}

.left-leave {
  opacity: 1;
  left: 650px;
  height: 150px;
  width: 110px;
  line-height: 150px;
  margin-top: 25px;
}

.left-leave.left-leave-active {
  left: 780px;
  opacity: 0;
  height: 120px;
  line-height: 120px;
  margin-top: 40px;
  width: 90px;
  transition: left 1s, opacity 1s, height 1s, width 1s, margin-top 1s, line-height 1s;
}

.right-enter {
  opacity: 0;
  left: 760px;
  height: 120px;
  width: 90px;
  line-height: 120px;
  margin-top: 40px;
}

.right-enter.right-enter-active {
  left: 650px;
  opacity: 1;
  height: 150px;
  margin-top: 25px;
  line-height: 150px;
  width: 110px;
  transition: left 1s, opacity 1s, height 1s, width 1s, margin-top 1s, line-height 1s;
}

.right-leave {
  left: 50px;
  height: 150px;
  opacity: 1;
  margin-top: 25px;
  line-height: 150px;
  width: 110px;
  
}

.right-leave.right-leave-active {
  left: -60px;
  opacity: 0;
  height: 120px;
  width: 90px;
  line-height: 120px;
  margin-top: 40px;
  transition: left 1s, opacity 1s, height 1s, width 1s, margin-top 1s, line-height 1s;
}

.noselect {
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.item img {
  width: -webkit-fill-available; 
  height: auto;  
}
 .level-2, .level-1, .level0, .level1, .level2 {
  line-height: 150px;
  }

@media (max-width: 480px)
{
  .arrow-right{
    left: 92%;    
  }
  #carousel{
    width: 100%;
    height: 100px;
  }
  .level-2, .level-1, .level0, .level1, .level2 {
    width: 40%;
    height: 200px;
    margin: 0;
    border: 2px solid gray;    
    line-height: 200px;
  }
  .level2{
    left: 9%;
  }
  .level1{
    left: 51%;
  }
  .level0{
    left: 100%;
    border: 0;
  }
  .item img{
    width: -webkit-fill-available;
  }

}