JSFiddle - React, Tailwind, and code Playground

HTML

<div id="osnova">
  <div>&#127880</div>
  <div>&#127880</div>
  <div>&#127880</div>
  <div>&#127880</div>
  <div>&#127880</div>
  <div>&#127880</div>
  <div>&#127880</div>
  <div>&#127880</div>
  <div>&#127880</div>
  <div>&#127880</div>
  <div>&#127880</div>
  <div>&#127880</div>
  <div>&#127880</div>
  <div>&#127880</div>
  <div>&#127880</div>
  <div>&#127880</div>
  <div>&#127880</div>
  <div>&#127880</div>
  <div>&#127880</div>
</div>

CSS

div {
  display: inline-block;
}

#osnova > div {
  float: left;
}

JavaScript

$(document).ready(function()
{
  var child = $('#osnova').children(),
  flt = child.filter(":even");
  flt.each(function()
  {
    //while(true)
    //{
      $(this).animate({marginTop: '+=100' }, 320);
    //}
  });
});