btcpayserver/BTCPayServer/wwwroot/crowdfund/styles/main.css

canvas#fireworks {
    position: fixed;
    width: 100vw;
    height: 100vh;
}

.perk-zoom {
    display: none;
    opacity: 0;
}

.perk-zoom-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    opacity: 0.9;
}

.perk-zoom-text {
    left: 50%;
    top: 50%;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    position: absolute;
}

.perk:hover .perk-zoom {
    cursor: pointer;
    opacity: 1;
    display: block;
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
}

.perk-badge {
    width: 33px;
    height: 33px;
    position: absolute;
    left: -15px;
    top: -15px;
    padding-top: 5px;
    z-index: 1
}

.crowdfund-stats .col-sm:last-child {
    border-right: none !important;
}

.modal-body .perks-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    grid-gap: .5rem;
}

.modal-body .perks-container .card:only-of-type {
    min-width: 240px;
    max-width: 480px;
    margin: auto;
}

/* Constrain image width in description */
div#crowdfund-body-description img,
div#crowdfund-body-description embed,
div#crowdfund-body-description object,
div#crowdfund-body-description iframe {
    max-width: 100% !important;
}

/* HEADER: PROGRESS */
div#crowdfund-progress-bar {
    height: 2rem;
}

#crowdfund-body-header + hr {
    height: 1px;
    opacity: 1;
    margin-top: 0;
    background: var(--btcpay-body-border-medium);
}

/* PERKS: HOVER */
.perks-container .perk-zoom-bg {
    background-color: var(--btcpay-bg-tile) !important;
    border-radius: .5rem;
}