标头对齐问题-无法修复

Question

I want to make the html table header fixed so that when user scrolls header is still be seen. I'm using bootstrap to display modal window. I tried using css, header is getting fixed but the header alignment is not correct. I know its pretty straight forward but unable to fix the header alignment issue. Please find the sample code here

html code:

  <div class="modal-body"  id="modal-body">
                       <table id="myTable" class="table table-fixedheader table-bordered table-striped"> <thead>
              <tr>
               <th style="width:14%;">Header1<th><th style="width:12%;">Header2</th><th style="width:19%;">Header3</th><th style="width:16%;">Header4</th>
              </tr></thead><tbody>
              <tr><td>1111</td><td>33333</td><td>1111</td><td>33333</td></tr>
              <tr><td>1111</td><td>33333</td><td>1111</td><td>33333</td></tr>
              ...</tbody></table>

css code:

.modal-body {
max-height: calc(100vh - 210px);
overflow-y: auto;
}

table {
width: 100%;
}

thead, tbody, tr, td, th { display: block; }

tr:after {
content: ' ';
display: block;
visibility: hidden;
clear: both;
}

thead th {
height: 30px;

/*text-align: left;*/
}

tbody {
height: 120px;
overflow-y: auto;
}

thead {
/* fallback */
}


tbody td, thead th {
width: 19.2%;
float: left;
}

Note:width in <th> is required. Each header is of different width in my application, so i should have that width assigned in <th>

Answer 1

if you use bootstrap try this <tr class="row"><th class="col-md-4">Header1</th><th class="col-md-4">Header2</th><th class="col-md-4">Header3</th><th class="col-md-4">Header4</th></tr>

Bootstrap/tables