btcpayserver/BTCPayServer/Views/Shared/_BTCPaySupporters.cshtml

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    .lead-h {
        font-family: Montserrat;
        font-style: normal;
        margin-bottom: 30px;
        font-weight: 600;
        font-size: 14px;
        line-height: 18px;
        /* identical to box height, or 129% */
        letter-spacing: 0.1em;
        text-transform: uppercase;
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<h3 class="lead-h text-center mb-3">
    BTCPayServer Supporters
    <a href="https://foundation.btcpayserver.org/" target="_blank">
        <span class="fa fa-question-circle-o" title="More information..."></span>
    </a>
</h3>
<div class="row justify-content-center">
    <div class="figure p-3">
        <a href="https://kraken.com" target="_blank">
            <img src="~/img/kraken.svg" alt="Sponsor Kraken" height="75" asp-append-version="true"/>
        </a>
        <div class="figure-caption text-center">
            <a href="https://kraken.com" class="text-muted small" target="_blank">Kraken</a>
        </div>
    </div>
    <div class="figure p-3">
        <a href="https://twitter.com/sqcrypto" target="_blank">
            <img src="~/img/squarecrypto.svg" alt="Sponsor Square Crypto" height="75" asp-append-version="true"/>
        </a>
        <div class="figure-caption text-center">
            <a href="https://twitter.com/sqcrypto" class="text-muted small" target="_blank">Square Crypto</a>
        </div>
    </div>
    <div class="figure p-3">
        <a href="https://www.btse.com" target="_blank">
            <img src="~/img/btse.svg" alt="Sponsor BTSE" height="75" asp-append-version="true"/>
        </a>
        <div class="figure-caption text-center">
            <a href="https://www.btse.com/" class="text-muted small" target="_blank">BTSE</a>
        </div>
    </div>
    <div class="figure p-3">
        <a href="https://www.dglab.com/en/" target="_blank">
            <img src="~/img/dglab.svg" alt="Sponsor DG lab" height="75" asp-append-version="true"/>
        </a>
        <div class="figure-caption text-center">
            <a href="https://www.dglab.com/en/" class="text-muted small" target="_blank">DG Lab</a>
        </div>
    </div>
    <div class="figure p-3">
        <a href="https://www.okcoin.com/" target="_blank">
            <img src="~/img/okcoin.svg" alt="Sponsor OKCoin" height="75" asp-append-version="true"/>
        </a>
        <div class="figure-caption text-center">
            <a href="https://www.okcoin.com/" class="text-muted small" target="_blank">OKCoin</a>
        </div>
    </div>
    <div class="figure p-3">
        <a href="https://acinq.co/" target="_blank">
            <img src="~/img/acinq-logo.svg" alt="Sponsor ACINQ" height="75" asp-append-version="true"/>
        </a>
        <div class="figure-caption text-center">
            <a href="https://acinq.co/" class="text-muted small" target="_blank">ACINQ</a>
        </div>
    </div>
</div>
<div class="row justify-content-center mt-3">
    <a href="https://foundation.btcpayserver.org" target="_blank" class="text-secondary text-center">View all supporters</a>
</div>