Tiện ích lên hệ cho template blogger

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      <a class='icon social-button facebook' href='#' title='Liên hệ qua tin nhắn Facebook'>
        <svg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'>
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        <span class='tooltip-text'>
          <span class='one'>Trung tâm hỗ trợ</span>
          <span class='two'>Liên hệ ngay với chúng tôi</span>
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      </a>
      <a class='icon social-button youtube' href='mailto:support@sapo.vn' title='Liên hệ qua mail'>
        <svg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'>
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        <span class='tooltip-text'>
          <span class='one'>Trung tâm hỗ trợ</span>
          <span class='two'>Liên hệ ngay với chúng tôi</span>
        </span>
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      <a class='icon social-button instagram' href='tel:19006750' title='Liên hệ qua số điện thoại'>
        <svg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'>
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        <span class='tooltip-text'>
          <span class='one'>Trung tâm hỗ trợ</span>
          <span class='two'>Liên hệ ngay với chúng tôi</span>
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      <a class='backtop icon' href='#' title='Lên đầu trang'>
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        <span class='tooltip-text'>
          <span>Lên đầu trang</span>
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      <a class='support' href='#' title='Trung tâm hỗ trợ'>
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        <span class='tooltip-text'>
          <span class='one'>Trung tâm hỗ trợ</span>
          <span class='two'>Nhanh chóng - Tận tâm - Uy tín</span>
        </span>
      </a>
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