#vssc-call-btn {
    position: fixed !important;
    left: 15px;
    bottom: 120px;

    width: 65px;
    height: 65px;
    border-radius: 50%;

    background: linear-gradient(135deg, #00c853, #00e676);
    color: #fff;

    display: flex;
    align-items: center;
    justify-content: center;

    font-size: 28px;
    cursor: pointer;
    z-index: 999999;

    box-shadow: 0 8px 25px rgba(0,200,83,0.5);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.15); }
    100% { transform: scale(1); }
}