Share code chat facbook đơn giản gọn nhẹ cho website

Demo: 

Các bạn chèn code sau vào file : Footer.php nhé

Sau đó thay đường link facebook trong code nhé

Code:

<style>
            .call-mobile {background: #ED1C24;position: fixed;bottom: 10px;height: 40px;line-height: 40px;
                padding: 0 0px 0 0px;border-radius: 40px;color: #fff;left: 20px;z-index: 99999;
                }
            .call-mobile1 {position: fixed;bottom: 52px;height: 40px;line-height: 40px;
                padding: 0 0px 0 0px;border-radius: 40px;color: #fff;left: 20px;z-index: 99999;
                }
.call-mobile i {font-size: 20px;line-height: 40px;background: #B52026;
                border-radius: 100%;width: 40px;height: 40px;
                text-align: center; float: right;
            }
            .call-mobile a {color: #fff;font-size: 18px;font-weight: bold; text-decoration: none;
                    margin-right: 10px; padding-left: 10px;}

.ctrlq.fb-button {
    z-index: 999;
    background: url(https://namdinhweb.net/wp-content/uploads/2018/07/54.jpg) center no-repeat #0084ff;
    width: 60px;
    height: 60px;
    text-align: center;
    bottom: 10px;
    border: 0;
    outline: 0;
    border-radius: 60px;
    -webkit-border-radius: 60px;
    -moz-border-radius: 60px;
    -ms-border-radius: 60px;
    -o-border-radius: 60px;
    box-shadow: 0 1px 6px rgba(0, 0, 0, .06), 0 2px 32px rgba(0, 0, 0, .16);
    -webkit-transition: box-shadow .2s ease;
    background-size: 80%;
    transition: all .2s ease-in-out;
}
.bubble {
    width: 20px;
    height: 20px;
    background: #c00;
    color: #fff;
    position: absolute;
    z-index: 999999999;
    text-align: center;
    vertical-align: middle;
    top: -2px;
    left: -5px;
    border-radius: 50%;
}
.ctrlq.fb-overlay {
    z-index: 0;
    position: fixed;
    height: 100vh;
    width: 100vw;
    -webkit-transition: opacity .4s, visibility .4s;
    transition: opacity .4s, visibility .4s;
    top: 0;
    left: 0;
    background: rgba(0, 0, 0, .05);
    display: none;
}
.fb-widget {
    background: #fff;
    z-index: 1000;
    position: fixed;
    width: 360px;
    height: 435px;
    overflow: hidden;
    opacity: 0;
    bottom: 0;
    right: 24px;
    border-radius: 6px;
    -o-border-radius: 6px;
    -webkit-border-radius: 6px;
    box-shadow: 0 5px 40px rgba(0, 0, 0, .16);
    -webkit-box-shadow: 0 5px 40px rgba(0, 0, 0, .16);
    -moz-box-shadow: 0 5px 40px rgba(0, 0, 0, .16);
    -o-box-shadow: 0 5px 40px rgba(0, 0, 0, .16);
}
.bubble-msg {
    width: 120px;
    left: -140px;
    top: 5px;
    position: relative;
    background: rgba(59, 89, 152, .8);
    color: #fff;
    padding: 5px 8px;
    border-radius: 8px;
    text-align: center;
    font-size: 13px;
}
.ctrlq.fb-button, .ctrlq.fb-close {
    position: fixed;
    right: 24px;
    cursor: pointer;
}
.ctrlq.fb-button:focus, .ctrlq.fb-button:hover {
    transform: scale(1.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, .09), 0 4px 40px rgba(0, 0, 0, .24);
}
</style>
<a href="http://fb.com/chupy91" title="Gửi tin nhắn cho chúng tôi qua Facebook" class="ctrlq fb-button"> <div class="bubble">1</div><div class="bubble-msg">Bạn cần hỗ trợ?</div></a>