.inp-bar{
    border: 1px solid #000;
    margin: 30px auto;
    width: 80%;
}
.btn-bar{
    margin-top: 20px;
}
.list-bar{
    margin-top: 20px ;
}
.list-item{
    display: flex;
}
.list-index,.list-title,.list-btn{
    flex: 1;
    text-align: center;
}