<a href="https://chat.zalo.me/?phone=SĐT_Của_Bạn" id="linkzalo" target="_blank" rel="noopener noreferrer"><div id="fcta-zalo-tracking" class="fcta-zalo-mess">
<span id="fcta-zalo-tracking">Chat hỗ trợ</span></div><div class="fcta-zalo-vi-tri-nut"><div id="fcta-zalo-tracking" class="fcta-zalo-nen-nut"><div id="fcta-zalo-tracking" class="fcta-zalo-ben-trong-nut"> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 460.1 436.6"><path fill="currentColor" class="st0" d="M82.6 380.9c-1.8-.8-3.1-1.7-1-3.5 1.3-1 2.7-1.9 4.1-2.8 13.1-8.5 25.4-17.8 33.5-31.5 6.8-11.4 5.7-18.1-2.8-26.5C69 269.2 48.2 212.5 58.6 145.5 64.5 107.7 81.8 75 107 46.6c15.2-17.2 33.3-31.1 53.1-42.7 1.2-.7 2.9-.9 3.1-2.7-.4-1-1.1-.7-1.7-.7-33.7 0-67.4-.7-101 .2C28.3 1.7.5 26.6.6 62.3c.2 104.3 0 208.6 0 313 0 32.4 24.7 59.5 57 60.7 27.3 1.1 54.6.2 82 .1 2 .1 4 .2 6 .2H290c36 0 72 .2 108 0 33.4 0 60.5-27 60.5-60.3v-.6-58.5c0-1.4.5-2.9-.4-4.4-1.8.1-2.5 1.6-3.5 2.6-19.4 19.5-42.3 35.2-67.4 46.3-61.5 27.1-124.1 29-187.6 7.2-5.5-2-11.5-2.2-17.2-.8-8.4 2.1-16.7 4.6-25 7.1-24.4 7.6-49.3 11-74.8 6zm72.5-168.5c1.7-2.2 2.6-3.5 3.6-4.8 13.1-16.6 26.2-33.2 39.3-49.9 3.8-4.8 7.6-9.7 10-15.5 2.8-6.6-.2-12.8-7-15.2-3-.9-6.2-1.3-9.4-1.1-17.8-.1-35.7-.1-53.5 0-2.5 0-5 .3-7.4.9-5.6 1.4-9 7.1-7.6 12.8 1 3.8 4 6.8 7.8 7.7 2.4.6 4.9.9 7.4.8 10.8.1 21.7 0 32.5.1 1.2 0 2.7-.8 3.6 1-.9 1.2-1.8 2.4-2.7 3.5-15.5 19.6-30.9 39.3-46.4 58.9-3.8 4.9-5.8 10.3-3 16.3s8.5 7.1 14.3 7.5c4.6.3 9.3.1 14 .1 16.2 0 32.3.1 48.5-.1 8.6-.1 13.2-5.3 12.3-13.3-.7-6.3-5-9.6-13-9.7-14.1-.1-28.2 0-43.3 0zm116-52.6c-12.5-10.9-26.3-11.6-39.8-3.6-16.4 9.6-22.4 25.3-20.4 43.5 1.9 17 9.3 30.9 27.1 36.6 11.1 3.6 21.4 2.3 30.5-5.1 2.4-1.9 3.1-1.5 4.8.6 3.3 4.2 9 5.8 14 3.9 5-1.5 8.3-6.1 8.3-11.3.1-20 .2-40 0-60-.1-8-7.6-13.1-15.4-11.5-4.3.9-6.7 3.8-9.1 6.9zm69.3 37.1c-.4 25 20.3 43.9 46.3 41.3 23.9-2.4 39.4-20.3 38.6-45.6-.8-25-19.4-42.1-44.9-41.3-23.9.7-40.8 19.9-40 45.6zm-8.8-19.9c0-15.7.1-31.3 0-47 0-8-5.1-13-12.7-12.9-7.4.1-12.3 5.1-12.4 12.8-.1 4.7 0 9.3 0 14v79.5c0 6.2 3.8 11.6 8.8 12.9 6.9 1.9 14-2.2 15.8-9.1.3-1.2.5-2.4.4-3.7.2-15.5.1-31 .1-46.5z"></path></svg></div><div id="fcta-zalo-tracking" class="fcta-zalo-text">Chat ngay</div></div></div></a>

<style>
@keyframes zoom{0%{transform:scale(.5);opacity:0}50%{opacity:1}to{opacity:0;transform:scale(1)}}@keyframes lucidgenzalo{0% to{transform:rotate(-25deg)}50%{transform:rotate(25deg)}}.jscroll-to-top{bottom:100px}.fcta-zalo-ben-trong-nut svg path{fill:#fff}.fcta-zalo-vi-tri-nut{position:fixed;bottom:24px;right:20px;z-index:999}.fcta-zalo-nen-nut,div.fcta-zalo-mess{box-shadow:0 1px 6px rgba(0,0,0,.06),0 2px 32px rgba(0,0,0,.16)}.fcta-zalo-nen-nut{width:50px;height:50px;text-align:center;color:#fff;background:#0068ff;border-radius:50%;position:relative}.fcta-zalo-nen-nut::after,.fcta-zalo-nen-nut::before{content:"";position:absolute;border:1px solid #0068ff;background:#0068ff80;z-index:-1;left:-20px;right:-20px;top:-20px;bottom:-20px;border-radius:50%;animation:zoom 1.9s linear infinite}.fcta-zalo-nen-nut::after{animation-delay:.4s}.fcta-zalo-ben-trong-nut,.fcta-zalo-ben-trong-nut i{transition:all 1s}.fcta-zalo-ben-trong-nut{position:absolute;text-align:center;width:60%;height:60%;left:10px;bottom:25px;line-height:70px;font-size:25px;opacity:1}.fcta-zalo-ben-trong-nut i{animation:lucidgenzalo 1s linear infinite}.fcta-zalo-nen-nut:hover .fcta-zalo-ben-trong-nut,.fcta-zalo-text{opacity:0}.fcta-zalo-nen-nut:hover i{transform:scale(.5);transition:all .5s ease-in}.fcta-zalo-text a{text-decoration:none;color:#fff}.fcta-zalo-text{position:absolute;top:6px;text-transform:uppercase;font-size:12px;font-weight:700;transform:scaleX(-1);transition:all .5s;line-height:1.5}.fcta-zalo-nen-nut:hover .fcta-zalo-text{transform:scaleX(1);opacity:1}div.fcta-zalo-mess{position:fixed;bottom:29px;right:58px;z-index:99;background:#fff;padding:7px 25px 7px 15px;color:#0068ff;border-radius:50px 0 0 50px;font-weight:700;font-size:15px}.fcta-zalo-mess span{color:#0068ff!important}
span#fcta-zalo-tracking{font-family:Roboto;line-height:1.5}.fcta-zalo-text{font-family:Roboto}
</style>

<script>
if( /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent) )
{document.getElementById("linkzalo").href="https://zalo.me/0938616563";}
</script>
kiểm tra mã này thêm giữ nguyên mã thêm phần margin y để điều chỉnh khoảng cách