body{
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    width: 100vw;
    margin: 0;
    
}
ul{
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    width: 50%;
    height: 300px
}
ul > li{
    background-color: blueviolet;
    width: 50%;
    height: 40px;
    border-radius: 5px;
    list-style-type: none;
    padding-left: 20px;
    line-height: 40px;
    color: #fff;
    font-weight: 600;
}

ul > li.moving{
    background: transparent;
    color: transparent;
    border: 1px dashed #888;
}