svg
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 56 56" role="img" aria-label="Bounce"><title>Bounce</title><desc>A bright dot travels along the main diagonal.</desc><style>.bg{fill:#ffffff;opacity:0.07;}.lit{fill:#ffffff;opacity:0;animation:icon-14-kf 2400ms cubic-bezier(0.65, 0, 0.35, 1) infinite both;}@keyframes icon-14-kf {0%{opacity:0;}4%{opacity:1;}26%{opacity:0.08;}100%{opacity:0;}}@media (prefers-reduced-motion: reduce){.lit{animation:none;opacity:0.45;}}.d00{animation-delay:0ms;}.d11{animation-delay:300ms;}.d22{animation-delay:600ms;}.d33{animation-delay:900ms;}.d44{animation-delay:1200ms;}</style><circle class="bg" cx="6" cy="6" r="2.4"/><circle class="bg" cx="17" cy="6" r="2.4"/><circle class="bg" cx="28" cy="6" r="2.4"/><circle class="bg" cx="39" cy="6" r="2.4"/><circle class="bg" cx="50" cy="6" r="2.4"/><circle class="bg" cx="6" cy="17" r="2.4"/><circle class="bg" cx="17" cy="17" r="2.4"/><circle class="bg" cx="28" cy="17" r="2.4"/><circle class="bg" cx="39" cy="17" r="2.4"/><circle class="bg" cx="50" cy="17" r="2.4"/><circle class="bg" cx="6" cy="28" r="2.4"/><circle class="bg" cx="17" cy="28" r="2.4"/><circle class="bg" cx="28" cy="28" r="2.4"/><circle class="bg" cx="39" cy="28" r="2.4"/><circle class="bg" cx="50" cy="28" r="2.4"/><circle class="bg" cx="6" cy="39" r="2.4"/><circle class="bg" cx="17" cy="39" r="2.4"/><circle class="bg" cx="28" cy="39" r="2.4"/><circle class="bg" cx="39" cy="39" r="2.4"/><circle class="bg" cx="50" cy="39" r="2.4"/><circle class="bg" cx="6" cy="50" r="2.4"/><circle class="bg" cx="17" cy="50" r="2.4"/><circle class="bg" cx="28" cy="50" r="2.4"/><circle class="bg" cx="39" cy="50" r="2.4"/><circle class="bg" cx="50" cy="50" r="2.4"/><circle class="lit d00" cx="6" cy="6" r="3.1"/><circle class="lit d11" cx="17" cy="17" r="3.1"/><circle class="lit d22" cx="28" cy="28" r="3.1"/><circle class="lit d33" cx="39" cy="39" r="3.1"/><circle class="lit d44" cx="50" cy="50" r="3.1"/></svg>