Copy đoạn mã dưới đây, thay số điện thoại mình muốn vào và gắn vào website
<style>.fix_tel{top:auto;bottom:auto;right:auto;left:auto;bottom:15px;right:5px}
.fix_tel{position:fixed;bottom:15px;right:0;z-index:999}.fix_tel .ring-alo-phone.ring-alo-show{visibility:visible}
.fix_tel .ring-alo-phone{background-color:transparent;cursor:pointer;height:80px;position:absolute;transition:visibility .5s ease 0s;visibility:hidden;width:80px;z-index:200000!important}.fix_tel .tel{background-color:#022b5f}
.fix_tel .tel{background:#eee;width:205px;height:40px;position:relative;overflow:hidden;background-size:40px;border-radius:28px;border:solid 1px #ccc}.fix_tel .ring-alo-phone.ring-alo-green .ring-alo-ph-circle{border-color:#022b5f}
.fix_tel .ring-alo-phone.ring-alo-green .ring-alo-ph-circle{background-color:#022b5f}.fix_tel .ring-alo-phone.ring-alo-green .ring-alo-ph-circle{border-color:red;opacity:.5}
.fix_tel .ring-alo-ph-circle{-webkit-animation:1.2s ease-in-out 0s normal none infinite running ring-alo-circle-anim;-moz-animation:1.2s ease-in-out 0s normal none infinite running ring-alo-circle-anim;animation:1.2s ease-in-out 0s normal none infinite running ring-alo-circle-anim;background-color:transparent;border:2px solid rgba(30,30,30,.4);border-radius:100%;height:70px;left:10px;opacity:.1;position:absolute;top:12px;transform-origin:50% 50% 0;transition:all .5s ease 0s;width:70px}
.fix_tel .ring-alo-phone.ring-alo-green .ring-alo-ph-circle-fill{background-color:rgba(0,175,242,.5);opacity:.75!important}.fix_tel .ring-alo-ph-circle-fill{-webkit-animation:2.3s ease-in-out 0s normal none infinite running ring-alo-circle-fill-anim;-moz-animation:2.3s ease-in-out 0s normal none infinite running ring-alo-circle-fill-anim;animation:2.3s ease-in-out 0s normal none infinite running ring-alo-circle-fill-anim;background-color:#000;border:2px solid transparent;border-radius:100%;height:30px;left:30px;opacity:.1;position:absolute;top:33px;transform-origin:50% 50% 0;transition:all .5s ease 0s;width:30px}.fix_tel .ring-alo-phone.ring-alo-green .ring-alo-ph-img-circle{background-color:#022b5f}.fix_tel .ring-alo-phone.ring-alo-green .ring-alo-ph-img-circle{background-color:red}.fix_tel .ring-alo-ph-img-circle{-webkit-animation:1s ease-in-out 0s normal none infinite running ring-alo-circle-img-anim;-moz-animation:1s ease-in-out 0s normal none infinite running ring-alo-circle-img-anim;animation:1s ease-in-out 0s normal none infinite running ring-alo-circle-img-anim;border:2px solid transparent;border-radius:100%;height:30px;left:30px;opacity:1;position:absolute;top:30px;transform-origin:50% 50% 0;width:30px}.fix_tel a{text-decoration:none;display:block}.fix_tel .ring-alo-ph-img-circle a img{padding:1px 0 0 1px;width:30px;position:relative;top:-1px}.fix_tel .fone{color:red}.fix_tel .fone{font-size:22px;line-height:40px;font-weight:700;padding-left:45px;margin:0 0}@keyframes ring-alo-circle-anim{0%{opacity:.1;transform:rotate(0) scale(.5) skew(1deg)}30%{opacity:.5;transform:rotate(0) scale(.7) skew(1deg)}100%{opacity:.6;transform:rotate(0) scale(1) skew(1deg)}}@keyframes ring-alo-circle-img-anim{0%{transform:rotate(0) scale(1) skew(1deg)}10%{transform:rotate(-25deg) scale(1) skew(1deg)}20%{transform:rotate(25deg) scale(1) skew(1deg)}30%{transform:rotate(-25deg) scale(1) skew(1deg)}40%{transform:rotate(25deg) scale(1) skew(1deg)}50%{transform:rotate(0) scale(1) skew(1deg)}100%{transform:rotate(0) scale(1) skew(1deg)}}@keyframes ring-alo-circle-fill-anim{0%{opacity:.2;transform:rotate(0) scale(.7) skew(1deg)}50%{opacity:.2;transform:rotate(0) scale(1) skew(1deg)}100%{opacity:.2;transform:rotate(0) scale(.7) skew(1deg)}}.fix_tel .ring-alo-ph-img-circle a img{padding:1px 0 0 1px;width:30px;position:relative;top:-1px}</style>
<div class="fix_tel">
<div class="ring-alo-phone ring-alo-green ring-alo-show" id="ring-alo-phoneIcon"
style="right: 150px; bottom: -12px;">
<div class="ring-alo-ph-circle"></div>
<div class="ring-alo-ph-circle-fill"></div>
<div class="ring-alo-ph-img-circle">
<a href="tel:0877783626">
<img class="lazy"
src="https://hbweb.vn/wp-content/uploads/icon-hotline.png"
alt="Hotline">
</a>
</div>
</div>
<div class="tel">
<a href="tel:0877783626" class="fone">0877783626</a>
</div>
</div>
