.frbl-back-button{position:fixed;bottom:24px;left:24px;width:56px;height:56px;background-color:#000;border:none;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgb(0 0 0 / .15),0 0 0 1px rgb(0 0 0 / .1);transition:all 0.3s cubic-bezier(.4,0,.2,1);z-index:9999;opacity:0;visibility:hidden;transform:scale(.8) translateY(20px);padding:0;outline:none}.frbl-back-button.frbl-show{opacity:1;visibility:visible;transform:scale(1) translateY(0)}.frbl-back-button svg{width:24px;height:24px;color:#fff;transition:all 0.3s cubic-bezier(.4,0,.2,1)}.frbl-back-button:hover{background-color:#333;box-shadow:0 6px 16px rgb(0 0 0 / .25),0 0 0 1px rgb(0 0 0 / .1);transform:scale(1.1)}.frbl-back-button:hover svg{width:26px;height:26px}.frbl-back-button:active{transform:scale(.95)}.frbl-back-button:focus-visible{outline:2px solid #4ade80;outline-offset:2px}@media (max-width:768px){.frbl-back-button{bottom:20px;left:20px;width:48px;height:48px}.frbl-back-button svg{width:20px;height:20px}}@media (prefers-reduced-motion:reduce){.frbl-back-button{transition:opacity 0.1s linear,visibility 0.1s linear}.frbl-back-button svg{transition:none}.frbl-back-button:hover{transform:none}.frbl-back-button:hover svg{width:24px;height:24px}}