body {
    background-color: #000;
    color: #fff;
    font-family: sans-serif;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    text-align: center;
}

.button {
    display: inline-block;
    padding: 15px 30px;
    font-size: 1.5em;
    text-decoration: none;
    color: #fff;
    border-radius: 50px;
    background-image: linear-gradient(45deg, #FF7B5B, #B686E8, #FF69B4);
    background-size: 200% auto;
    transition: background-position 0.5s ease-in-out;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.button:hover {
    background-position: right center;
    color: #fff;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}