HTML: How to increase tables' overall height if they are side-by-side?

Question

I have followed following guide (https://stackoverflow.com/a/45672648/2402577) to put tables side-by-side. As output tables' heights are not symmetric and I am not able to make change both tables' height (I prefer to increase tables' displayed row number hence having a longer table).

My source code, please note that I am using Bootstrap:

<div class="container" id="coverpage">                                                                                                                       
  <div class="row">                                                                                                                                          
  <div class="col-md-6 col-sm-12">                                                                                                          
     <table id="tableblock" class="display"><caption><h3 style="color:black;">Latest Blocks</h3></caption></table>          
  </div>                                                                                                                                                     
  <div class="col-md-6 col-sm-12">                                                                                                        
     <table id="tabletxs"   class="display" ><caption><h3 style="color:black;">Latest Transactions</h3></caption></table>    
  </div>                                                                                                                                                     
  </div>                                                                                                                                                     
</div>  

Output:

As you can see first table's displayed row number is 2. In original it should be 5 (when I comment out <div class="col-md-6 col-sm-12"> ).

[Q] How could I make both tables' overall height larger (increase the the row number to be displayed) and make both tables symmetric?

Thank you for your valuable time and help.

Answer 1

I realize my mistake. When I increase scrollY: value it solved my problem, which is defined under $(document).ready(function()).

Example:

$(document).ready(function() {
    $.get("btabl", function(result){
        $('#tableblock').DataTable( {
        data: result,
        scrollY: 800, //I increased this value.
        paging: false,
        info:   false,
        searching:   false,
        order: [[ 0, "desc" ]],
        columnDefs: [
            {
                targets: [0,1],
                render: function ( data, type, row, meta ) {
                    if(type === 'display'){
                        data = " " + data ;
                        data = data.replace(/(@@(.+)@@)/,'<a onClick="a_onClick(' + "'" + "$2" + "'" + ')">' + "$2" + '</a>') ;
                        // data = '<a onClick="a_onClick(' + "'" + encodeURIComponent(data) + "'" + ')">' + data + '</a>';
                        // data = '<a href="search/' + encodeURIComponent(data) + '">' + data + '</a>';
                    }

                    return data;
                }
            },
            {className: "dt-center", "targets": [0,1,2,3]}
        ],
        columns: [
            { title: "Block" },
            { title: "Mined By" },
            { title: "Time" },
            { title: "Txs" }
         ]
        })
    })
} ) ;