.btn-9 {
    padding: 15px 30px;
    font-size: 18px;
    font-weight: 700;
    color: #ff0080;
    background: transparent;
    border: 2px solid #ff0080;
    border-radius: 30px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
}

.btn-9::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ff0080!important;
    z-index: -1;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s ease;
}

.btn-9:hover {
    color: white;
    text-shadow: none;
    box-shadow: 0 0 20px #ff0080, 0 0 40px #ff0080;
}

.btn-9:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}