table {
    width: 100%;
    th,td{
        text-align: center;
    }
}
form{
    text-align: center;
    button{
        margin: 0 12px;
    }
}
mat-tree{
    width: 500px;
    button{
        display: block;
        float: right;
    }
    mat-tree-node{
        position: relative;
        .deleted{
            position: absolute;
            right: 0;
        }
        .create{
            position: absolute;
            right: 80px;
        }
        .edit{
            position: absolute;
            right: 40px;
        }
    }
}