#main-footer .container {
    background-color: var(--xanhlogo);
    padding-top: 40px;
}

#main-footer,
#main-footer a {
    color: white
}

#main-footer #copyright {
    margin: 0;
    padding-top: 5px;
    text-align: center;
}

#main-footer .container .col-4 {
    text-align: justify;
}

#main-footer .container .col-4 iframe {
    width: 100%;
    max-height: 350px
}

.social-icons {
    padding: 0;
    margin-left: 0
}

.social-icons img {
    height: 18px
}

.social-icons li {
    list-style: none;
    margin-right: 5px;
    display: inline-block;
    vertical-align: top
}

.social-icons li a {
    display: flex;
    border-radius: 5px;
    align-items: center;
    text-decoration: none;
    justify-content: center;
    width: 40px;
    height: 26px
}

.social-icons li a i {
    display: table;
    margin: auto;
    color: white
}

.social-fanpage a {
    background-color: #2196F3
}

.social-ins a {
    background: #4cff6a
}

.social-tw a {
    background-color: #5cb7ff
}

.social-ytb a {
    background-color: #DD4B39
}

.social-zalo a {
    background-color: #00a9d3
}

.social-call a {
    background-color: #e8944c
}

.social-mess a {
    background-color: #2196f3
}

#site-footer .back-top {
    display: none;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    text-align: center;
    position: fixed;
    width: 40px;
    height: 40px;
    right: 2vw;
    bottom: 10px;
    border-radius: 100%;
    background-color: #1F71B5;
    border: outset #1F71B5;
    color: white;
    opacity: .3
}

#site-footer .thong-bao img {
    height: 70px;
    margin-top: 15px;
    margin: 0 auto;
}

#site-footer .back-top i {
    display: table;
    clear: both;
    margin: 0 auto;
    font-weight: bold;
    font-size: 16pt;
    margin-top: 2px;
    line-height: 18px;
    color: white;
}

#site-footer .back-top span {
    display: table;
    width: 30px;
    height: 30px;
    margin: 0 auto;
    font-size: 13px;
    color: white;
}

#site-footer .back-top:hover {
    text-decoration: none;
    opacity: 1;
    transition: .8s
}

#mes-icon,
#zalo-icon {
    position: fixed;
    bottom: 60px;
    right: 2vw;
    width: 45px;
    height: auto;
    z-index: 99;
    -webkit-animation: mes 2s linear infinite;
    animation: mes 2s linear infinite;
}

#zalo-icon {
    left: 2vw
}

#mes-icon:after,
#zalo-icon:after {
    content: '';
    display: block;
    position: absolute;
    width: 0;
    height: 0;
    border-radius: 100%;
    z-index: -1;
    border: solid 8px #2196f394;
    padding: 40%;
    -webkit-box-sizing: content-box;
    box-sizing: content-box;
    left: 50%;
    top: 50%;
    -webkit-transform: translateX(-50%) translateY(-50%);
    -ms-transform: translateX(-50%) translateY(-50%);
    transform: translateX(-50%) translateY(-50%);
    -webkit-animation: mespad 4s linear infinite;
    animation: mespad 4s linear infinite
}

@-webkit-keyframes mes {
    0% {
        -webkit-transform: rotateZ(0);
        transform: rotateZ(0);
    }
    5% {
        -webkit-transform: rotateZ(20deg);
        transform: rotateZ(20deg);
    }
    10% {
        -webkit-transform: rotateZ(-20deg);
        transform: rotateZ(-20deg);
    }
    15% {
        -webkit-transform: rotateZ(20deg);
        transform: rotateZ(20deg);
    }
    20% {
        -webkit-transform: rotateZ(-20deg);
        transform: rotateZ(-20deg);
    }
    25% {
        -webkit-transform: rotateZ(0);
        transform: rotateZ(0);
    }
    100% {
        -webkit-transform: rotateZ(0);
        transform: rotateZ(0);
    }
}

@keyframes mes {
    0% {
        -webkit-transform: rotateZ(0);
        transform: rotateZ(0);
    }
    5% {
        -webkit-transform: rotateZ(20deg);
        transform: rotateZ(20deg);
    }
    10% {
        -webkit-transform: rotateZ(-20deg);
        transform: rotateZ(-20deg);
    }
    15% {
        -webkit-transform: rotateZ(20deg);
        transform: rotateZ(20deg);
    }
    20% {
        -webkit-transform: rotateZ(-20deg);
        transform: rotateZ(-20deg);
    }
    25% {
        -webkit-transform: rotateZ(0);
        transform: rotateZ(0);
    }
    100% {
        -webkit-transform: rotateZ(0);
        transform: rotateZ(0);
    }
}

@-webkit-keyframes mespad {
    0% {
        padding: 35%;
        opacity: 1;
        border-width: 8px
    }
    20% {
        padding: 50%;
        opacity: 1
    }
    40% {
        padding: 65%;
    }
    60% {
        padding: 80%;
        opacity: .4;
        border-width: 0px
    }
    100% {
        padding: 80%;
        opacity: .4;
        border-width: 0px
    }
}

@keyframes mespad {
    0% {
        padding: 35%;
        opacity: 1;
        border-width: 8px
    }
    20% {
        padding: 50%;
        opacity: 1
    }
    40% {
        padding: 65%;
    }
    60% {
        padding: 80%;
        opacity: .4;
        border-width: 0px
    }
    100% {
        padding: 80%;
        opacity: .4;
        border-width: 0px
    }
}

ul#menu-menu-footer {
    display: flex;
    list-style: none;
    flex-wrap: wrap;
    max-width: 100%;
    padding-inline-start: 0px;
    margin-block-start: 0em;
    margin-block-end: 0em;
    justify-content: center;
}

ul#menu-menu-footer li a {
    margin-right: 15px;
    font-size: 14px;
    font-weight: bold;
    color: white;
}

ul#menu-menu-footer li:after {
    content: '|';
}

ul#menu-menu-footer li:last-child:after {
    content: '';
}

ul#menu-menu-footer li {
    margin-left: 5px;
}