.button::after {
    height: 100%;
    left: -35%;
    top: 0;
    transform: skew(50deg);
    transition-duration: 0.6s;
    transform-origin: top left;
    width: 0;
    
}

.button:hover:after {
    height: 100%;
    width: 135%;
}

/*.btn-3:hover {
    background: #ff96ad;
    box-shadow: 0 0 5px #ff96ad, 0 0 25px #ff96ad, 0 0 50px #ff96ad, 0 0 200px #ff96ad;
}