.hgrant-marquee {
    overflow: hidden;
    white-space: nowrap;
    box-sizing: border-box;
}

.hgrant-marquee .marquee-content {
    display: inline-block;
    animation: hgrant-marquee linear infinite;
    animation-duration: var(--marquee-speed, 10000ms);
}

@keyframes hgrant-marquee {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-100%); }
}