.title_login{
    animation: fluido 10s ease-in-out infinite;
    background: linear-gradient(-45deg, #2300ec, #2cc0f6, #6600ff);
    background-size: 300%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

@keyframes fluido {
    0% { background-position: 0 50% }
    50% { background-position: 100% 50% }
    100% { background-position: 0 50% }
}

.btn{
    color: rgba(255,255,255,0.9);
    border-radius: 50px;
    background: linear-gradient(-45deg, #FFA63D, #FF3D77, #338AFF, #3CF0C5);
    background-size: 600%;
    animation: anime 16s linear infinite;
}
     
@keyframes anime {
    0%{
        background-position: 0% 50%
    }
    50%{
        background-position: 100% 50%
    }
    100%{
        background-position: 0% 50%
    }
}