.button {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: radial-gradient(ellipse at 30% 25%, rgba(255, 255, 255, 0.4) 0%, transparent 0%), radial-gradient(ellipse at 70% 80%, rgba(0, 0, 0, 0.2) 0%, transparent 0%), linear-gradient(145deg, #ff4444 0%, #e53e3e 30%, #c53030 70%, #a02020 90%);
    border: 1px solid #b91c1c;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    font-size: 18px;
    line-height: 1.2;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    box-shadow: inset 0 2px 4px rgba(255, 255, 255, 0.3), inset 0 -2px 4px rgba(0, 0, 0, 0.2), 0 10px 20px rgba(160, 32, 32, 0.4), 0 6px 12px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(185, 28, 28, 0.5);
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
    transform: perspective(1000px) rotateX(5deg);
}

    .button:hover {
        color: whitesmoke;
        transform: perspective(1000px) rotateX(8deg) translateY(-2px);
    }

    .button:active {
        transform: perspective(1000px) rotateX(2deg) translateY(1px);
        box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.2), inset 0 -1px 3px rgba(0, 0, 0, 0.4), 0 4px 8px rgba(160, 32, 32, 0.3), 0 2px 4px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(185, 28, 28, 0.4);
    }

.button-text {
    position: relative;
    z-index: 1;
    padding: 10px;
}

@media (max-width: 576px) {

    .button {
        width: 100px;
        height: 100px;
        font-size: 12px;
    }
}