#contactButton{

    position: fixed;

    bottom: 0;

    right: 15px;

    max-height:100%;

    width:350px;

    overflow-y: auto;

    overflow-x: hidden;

    z-index:1000;

}

#contactButton .panel{

    margin-bottom:0;

    width:100%;

    color:#333;

    display:none

}

#contactButton .ctb{

    position: fixed;

    bottom: 0;

    right:15px;

    z-index:1000;

    text-align:center;

}

#contactButton .ctb, #contactButton .panel{

    border-radius: 5px 5px 0 0;

}

#contactButton .ctb em{

    margin-right:3px;

    font-size: 1.6em;

    vertical-align:middle

}

@media (max-width:1199px) {

    #contactButton .ctb{

        right:70px;

    }

}

@media (max-width:499px) {
    #contactButton{

        right:auto;

        left:0;

        width:90%

    }

}

/* Đồng bộ phần nội dung liên hệ với hệ chữ của nội dung chính trên website. */
.contact-page__content {
    color: #333;
    font-family: "Times New Roman", Times, serif;
    font-size: 22px;
    line-height: 1.55;
    overflow-wrap: break-word;
}

.contact-page__content p,
.contact-page__content li,
.contact-page__content address,
.contact-page__content figcaption {
    font-family: inherit !important;
    font-size: inherit !important;
    line-height: inherit !important;
}

.contact-page__content h1 {
    margin: 0 0 14px;
    color: #222;
    font-family: inherit;
    font-size: 32px;
    font-weight: 700;
    line-height: 1.25;
}

.contact-page__content h2 {
    clear: both;
    margin: 24px 0 10px;
    color: #222;
    font-family: inherit;
    font-size: 26px;
    font-weight: 600;
    line-height: 1.3;
}

.contact-page__content figcaption {
    margin-top: 6px;
    color: #555;
    font-size: 18px !important;
    font-style: italic;
    text-align: center;
}

.contact-page .panel,
.contact-page .form-control,
.contact-page .btn {
    font-family: Arial, Helvetica, sans-serif;
}

@media (max-width: 767px) {
    .contact-page__content {
        font-size: 18px;
    }

    .contact-page__content h1 {
        font-size: 27px;
    }

    .contact-page__content h2 {
        margin-top: 20px;
        font-size: 23px;
    }
}