Chia sẻ code liên hệ đẹp cho web

<div id="support">
  <div id="iconChat"></div>
  <ul id="option">
    <li>
      <a href="https://www.messenger.com/t/100444855586717">
        <i class="fab fa-facebook-messenger"></i>
        <span>Chat Facebook</span>
      </a>
    </li>
    <li>
      <a href="tel:0969883369">
        <i class="fas fa-phone-alt"></i>
        <span>0969 88 33 69</span>
      </a>
    </li>
    <li>
      <a href="https://zalo.me/0898875569">
        <i class="ticon-zalo-circle2"></i>
        <span>Zalo</span>
      </a>
    </li>
    <li>
      <a href="https://goo.gl/maps/e2BrP25pJ3VmCuwXA">
        <i class="fas fa-map-marker-alt"></i>
        <span>Tìm đường</span>
      </a>
    </li>
  </ul>
</div>

a i.ticon-zalo-circle2 {
    background: url(https://giaysihcm.com/wp-content/uploads/2021/11/icon-zalo-circle2.png) no-repeat !important;
    background-size: contain !important;
    width: 36px;
    height: 36px;
    display: block;
}
#support ul li {
    list-style-type: none;
    margin: 0;
    padding: 0;
}
 
#support a {
    text-decoration: none;
    color: #333;
}
 
 #support a span {
    display: inline-block;
    vertical-align: top;
    padding-top: 15px;
}
/* Style Css */
 
 
/* Icon Click */
 
#support {
    position: fixed;
    right: 10px;
    bottom: 10px;
    width: 60px;
    height: 60px;
    z-index: 99999;
}
 
#iconChat {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: #189eff;
    cursor: pointer;
    border-radius: 99px;
    overflow: hidden;
    box-shadow: 0 0 10px rgba(0, 0, 0, .6);
}
 
#iconChat:before {
    content: "f3fe";
    position: absolute;
    font-family: "Font Awesome 5 Brands";
    font-weight: 700;
    text-align: center;
    width: 40px;
    height: 40px;
    line-height: 40px;
    top: 10px;
    left: 10px;
    color: #189eff;
    background: #fff;
    border-radius: 99px;
}
 
 
/* Style Option Tab */
 
#option {
    background: center no-repeat #FFF;
    box-shadow: 0 0 10px rgba(0, 0, 0, .6);
    width: 235px;
    position: absolute;
    bottom: 60px;
    right: 0;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-align: start;
    -ms-flex-align: start;
    align-items: flex-start;
    padding: 14px 0;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    border-radius: 7px;
    -webkit-transform-origin: 80% 105%;
    -ms-transform-origin: 80% 105%;
    transform-origin: 80% 105%;
    -webkit-transition: ease-out .12s all;
    -o-transition: ease-out .12s all;
    transition: ease-out .12s all;
    z-index: 10000;
    display: none
}
 
#option:before {
    content: "";
    position: absolute;
    bottom: -7px;
    right: 25px;
    left: auto;
    display: inline-block!important;
    border-right: 10px solid transparent;
    border-top: 10px solid #FFF;
    border-left: 10px solid transparent;
}
 
#option li {
    width: 100%;
}
 
#option li a {
    display: inline-block;
    padding: 8px 10px;
}
 
#option li:hover {
    background: #eee;
}
 
#option li a i {
    display: inline-block;
    width: 45px;
    height: 45px;
    line-height: 45px;
    background: #189eff;
    text-align: center;
    border-radius: 99px;
    color: #fff;
    margin-right: 8px;
}
 
 
/* Background Icon */
 
#option li a i.fa-facebook-messenger {
    background: #0078FF;
}
 
#option li a i.fa-phone {
    background: #4EB625;
}
 
#option li a i.fa-code {
    background: #000;
}
 
#option li a i.fa-eye {
    background: #FF643A;
}

<script>
jQuery(document).ready(function () {
    jQuery("#iconChat").click(function () {
        jQuery('#option').toggle();
    });
    jQuery("#iconChat").click(function (e) {
        e.stopPropagation();
    });
 
    jQuery(document).click(function () {
        jQuery("#option").hide();
    });
});
</script>

<link rel="stylesheet" href="https://pro.fontawesome.com/releases/v5.10.0/css/all.css"/>