jul10l1r4.github.io/css/bg.css

/* Para mudar o fundo do texto */
.fundo{
    background-image: url(https://media2.giphy.com/media/BHNfhgU63qrks/source.gif);
    -webkit-background-clip: text;
    color:transparent;
    background-position: bottom;
    background-attachment: fixed;
    animation-name:totop;
    animation-duration:0.8s
}
.grande{
 font-size: 08em
}