<script>
   document.getElementById("tablepress-10").addEventListener("scroll", function() {
    var translate = "translate(0," + this.scrollTop + "px)";
    this.querySelector("thead").style.transform = translate;
});
</script>

table tbody, table thead
{
    display: block;
}

table tbody
{
   overflow: auto;
   height: 100px;
}

table {
    width: 350px; /* can be dynamic */
}

th
{
    width: 75px;
}