.contact-buttons {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 9999;
}

.contact-button {
    padding: 10px;
    border-radius: 50%;
    background-color: #4CAF50;
    color: white;
    text-align: center;
    width: 50px;
    height: 50px;
    line-height: 30px;
    font-size: 20px;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
}
.contact-button-title{
    border-radius: 5px;
    display: grid;
    padding: 10px;
    width: 65px;
    height: 65px;
    color: white;
    text-align: center;
    line-height: 30px;
    font-size: 20px;
    text-decoration: none;
    align-items: center;
    justify-content: center;
}
.contact-buttons a:hover{
    color: #fff;
}
.contact-button:hover {
    opacity: 0.8;
}

.call-button { background-color: #4CAF50; }
.messenger-button { background-color: #0084FF; }
.zalo-button { background-color: #06a5d1; }
.address-button { background-color: #555; }
.contact-buttons a span {
    display: block;
    font-size: 12px;
    color: white;
    margin-top: 5px;
    text-align: center;
    line-height: 20px;
}

.list-footer-fixed {
    display: flex;
    justify-content: space-between;
    background-color: #333;
    padding: 10px;
    position: fixed;
    bottom: 0;
    width: 100%;
    z-index: 999;
    margin-bottom: 0;
}

.list-footer-fixed li {
    list-style: none;
    margin-bottom: 0;
    line-height: 1;
    height: 55px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.list-footer-fixed a {
    display: block;
    text-align: center;
    color: #222;
    text-decoration: none;
    font-size: 14px;
}

.list-footer-fixed a i,
.list-footer-fixed a img {
    height: 24px;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 5px;
    color: #222;
}

.list-footer-fixed a span {
    display: block;
}
@media (min-width: 812px) {
    ul.list-footer-fixed{
        display: none;
    }
}
@media (max-width: 812px) {
    .contact-buttons{
        display: none;
    }
    .list-footer-fixed a svg{
        font-size: 20px;
        margin: 0 auto 5px;
    }
}