#virus-background {
    background-image: url('https://media2.giphy.com/media/UUsOy6IWmzw6mmeOpQ/200w.webp?cid=ecf05e47d48wmp9fs77i0vk0k897dbwf01u0hz1mhmrjzqgp&ep=v1_gifs_search&rid=200w.webp&ct=g');
    -webkit-background-size: cover; 
    -moz-background-size: cover;
    -o-background-size: cover; 
    background-size: cover; 
    background-repeat: no-repeat;
    background-position: center;
    
}

#text {
    font-weight: bold;
    font-size: large;
}

.col-md-12.jumbotron.text-center {
    background-image: url('https://media.tenor.com/LQqJ0__fIFwAAAAC/dance-shower.gif');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    color:green;
    background-color: transparent;
}