* {
    margin: 0;
    padding: 0;
    
}

body {
    background: url('https://wallpapercat.com/w/full/7/0/6/26427-3840x2160-desktop-4k-black-hole-wallpaper-image.jpg');
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
}
.container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    width: 100%;
    flex-direction: column;
    font-family: 'Spectral', serif;
    color: #fff;
}

h1 {
    font-size: 15vw;
    font-weight: 700 !important;
    background-color: rgba(20, 20, 20, 0.9);
    border-radius: 25px;
    padding: 15px;
}

h3 {
    margin-top: 20px;
    font-size: 2vw;
    letter-spacing: 5px;
}

button {
    margin-top: 10px;
    padding: 5px;
    color: #141414;
    font-family: inherit;
    font-size: inherit;
    background-color: #fff;
    border-radius: 5px;
    border-style: none;
    transition: box-shadow 0.1s ease;
    box-shadow: 
    0 0 5px #9b4dca, 
    0 0 10px #9b4dca;
}

button:hover {
    background-color: #141414;
    color: #fff;
    box-shadow: 
    0 0 5px #fff, 
    0 0 10px #fff,
    0 0 15px #9b4dca;
    cursor: pointer;
}