.chat-zalo {
    position: fixed;
    z-index: 10;
    bottom: 100px;
    left: 35px;
    display: block;
    margin: 0;
    background-color: #8eb22b;
    border-radius: 10px;
    padding: 12px 65px;
    border: none;
}

.chat-zalo a {
    color: white;
    font-weight: 600;
    text-decoration: none;
}

.header li.top-level {
    padding-left: 0px !important;
    padding-right: 0px !important;
}