All code are beautifully written. You can customize easily. Just look the amex/grid-table.html file go to form code with change and use.you would like to edit a specific section of the site, simply find the appropriate label in the and change what you need.If you change the "dropdown" find the following section in the amex/scss/pages/table.scss file

amex bootstrap 4 admin dashboard provide this beautifull with standard "grid-table" form you can see this documentation

Grid table

# First Name Last Name Username Email Contact SSC Result HSC Result Bsc Result
1 Jon Deo @Jon Jon@gmail.com +3095043 2001 4.00 2003 3.90 2007 3.50
2 Jon Deo @Jon Jon@gmail.com +3095043 2001 4.00 2003 3.90 2007 3.50
3 Jon Deo @Jon Jon@gmail.com +3095043 2001 4.00 2003 3.90 2007 3.50

Grid table dark

# First Name Last Name Username Email Contact SSC Result HSC Result Bsc Result
1 Jon Deo @Jon Jon@gmail.com +3095043 2001 4.00 2003 3.90 2007 3.50
2 Jon Deo @Jon Jon@gmail.com +3095043 2001 4.00 2003 3.90 2007 3.50
3 Jon Deo @Jon Jon@gmail.com +3095043 2001 4.00 2003 3.90 2007 3.50